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Guides

Engineering Guides

Failure analysis, material compatibility, and specification protocols — written from real field outcomes, not generic catalog copy.

138
Engineering Guides
10
Equipment Categories
30+
Years Field Engineering
Direct answer

These engineering guides cover chemical pump failure, elastomer and material compatibility, and specification protocols, written from real field outcomes rather than catalog copy. Guides are grouped by equipment category and can be filtered by search. For a failure that doesn’t match a guide, send LibertyCES the process data and request a spec review.

30+ years spec experience. Send James the process data and get a real answer — not a catalog page.

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Chemical Metering Pump Failure GuidePumps
Chemical Metering Pump Failure Guide

Sodium hypochlorite service: gas binding, unstable differential pressure, suction issues, and unverified wetted materials.

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Chemical Pumps: Why They FailPumps
Chemical Pumps: Why They Fail

Material selection, mag-drive decoupling, sealless pump series comparison, and an 8-question specification protocol.

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Why Chemical Pumps Fail in Sodium Hypochlorite ServicePumps
Why Chemical Pumps Fail in Sodium Hypochlorite Service

The EPDM vs FKM elastomer spec fix — root cause, comparison chart, and complete wetted-path specification.

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EPDM Compatibility GuideMaterials & Seals
EPDM Compatibility Guide

Where EPDM performs well, where it fails, and the verification process before specifying EPDM valve components.

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EPDM Chemical Compatibility ChartMaterials & Seals
EPDM Chemical Compatibility Chart

Full compatibility table across 17 chemicals and services, plus common EPDM specification mistakes.

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Chemical Compatibility Chart — 551 Real Media RatingsMaterials & Seals
Chemical Compatibility Chart — 551 Real Media Ratings

PVC, PP, PVDF, PFA, PTFE, and 316 stainless steel rated across 551 real media rows, 11 chemical families, by concentration and temperature.

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Metering Pump Dosage & Pressure Derating CalculatorPumps
Metering Pump Dosage & Pressure Derating Calculator

Interactive tool using Graco G-Chem's own published dosage and pressure-derating data — real CPM-to-GPD math, not an estimate.

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Buna-N vs EPDM vs FKM vs PTFEMaterials & Seals
Buna-N vs EPDM vs FKM vs PTFE

Valve seal material comparison chart, application-based selection table, and a decision tree.

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Sodium Hypochlorite Valve Material SelectionValves & Actuation
Sodium Hypochlorite Valve Material Selection

Off-gassing, trapped-cavity pressure, and LibertyCES's recommended ball/diaphragm valve material specs.

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Mag Drive Pump Dry Run Failure — SSiC Bearing DamagePumps
Mag Drive Pump Dry Run Failure — SSiC Bearing Damage

Why SSiC bearings fail in under 2 minutes without fluid, the failure sequence, and the $200 interlock fix.

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Graco SoloTech Peristaltic PumpsPumps
Graco SoloTech Peristaltic Pumps

Full model lineup, specs, and engineering advantages of the single-roller peristaltic pump platform.

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UCR & UCP Sealless Pumps

Finish Thompson sealless pump platforms compared — ETFE containment, temperature capability, and TCO.

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Houston PolyTank DVS-2205 Expansion TanksTanks & Storage
Houston PolyTank DVS-2205 Expansion Tanks

Extrusion-wound HDPE/PP tanks for high-purity magnetics manufacturing and rare-earth processing.

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Poly Processing SAFE-Tank & XLPETanks & Storage
Poly Processing SAFE-Tank & XLPE

The LibertyCES XLPE standard — SAFE-Tank, IMFO outlet, OR-1000, and a full TCO comparison vs HDPE.

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Flat Bottom Chemical Storage TanksTanks & Storage
Flat Bottom Chemical Storage Tanks

50–50,000 gallons — resin, wall thickness, and support specs that stop "elephant feet" bulging.

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Cone Bottom TanksTanks & Storage
Cone Bottom Tanks

100% drainage tank specs — cone angle, IMFO outlet, and factory-matched stand selection.

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Vertical Cylindrical TanksTanks & Storage
Vertical Cylindrical Tanks

50–50,000+ gallon general storage — wall construction, restraints, fittings, and venting specs.

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Horizontal TanksTanks & Storage
Horizontal Tanks

Low-profile, mobile-strong tank specs — SG rating, hoops, tie-downs, and valve guards.

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Rectangular Chemical Storage TanksTanks & Storage
Rectangular Chemical Storage Tanks

Up to 18,000 gallons, fits 20'/40' shipping containers — up to 80% freight savings vs cylindrical tanks.

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HDPE Chemical Storage TanksTanks & Storage
HDPE Chemical Storage Tanks

Material-mastered specs covering ~95% of industrial and municipal chemicals — resin, temp limits, and containment.

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Polypropylene TanksTanks & Storage
Polypropylene Tanks

High-temp, aggressive-duty tank specs — up to 200°F water / 180°F chemicals, pH 0–14 immunity.

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Fiberglass (FRP) TanksTanks & Storage
Fiberglass (FRP) Tanks

ASTM D3299 filament-wound FRP — resin systems, C-Veil corrosion barrier, and seismic anchor specs.

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Double-Wall Secondary Containment TanksTanks & Storage
Double-Wall Secondary Containment Tanks

110% built-in containment — no external berms, EPA/SPCC compliant, leak alarm provisions.

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Chemical Transfer Pumps: A Master Specifier's GuidePumps
Chemical Transfer Pumps: A Master Specifier's Guide

Sealless mag-drive, AODD/EODD, piston, and drum pump systems matched to chemistry, flow, viscosity, and compliance.

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Precision Level & Flow ControlsInstrumentation & Automation
Precision Level & Flow Controls

80-GHz radar, ultrasonic, guided-wave, and flow meters — eliminate overflows and protect pumps with real-time SCADA visibility.

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Chemical Feed Skid Systems — Vendor ComparisonChemical Feed & pH Control
Chemical Feed Skid Systems — Vendor Comparison

Blue-White, ProMinent DULCODOS, and AXEON N-Series RO compared — schedule and labor savings data.

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SCADA-Ready Monitoring & AutomationInstrumentation & Automation
SCADA-Ready Monitoring & Automation

Remote tank level, leak detection, gas safety, and telemetry — RTUs and sensors that integrate cleanly with your HMI/SCADA.

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FTI Mag-Drive Pumps — Zero-Leak StandardPumps
FTI Mag-Drive Pumps — Zero-Leak Standard

DB, SP, MSDB, KC, UCR, and UCP series compared — sealless magnetic drive for corrosive and hazardous chemical transfer.

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PTFE Diaphragms for Chemical ProcessingMaterials & Seals
PTFE Diaphragms for Chemical Processing

When PTFE is right, and when composite diaphragm construction matters — backing materials, permeation, and off-gassing.

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HDPE vs XLPE Chemical Storage TanksTanks & Storage
HDPE vs XLPE Chemical Storage Tanks

Why sodium hypochlorite demands crosslinked polyethylene — molecular structure, field failure timeline, and spec checklist.

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Epiphene CPH-16 Filtration & Silt SeparationFiltration & Water Treatment
Epiphene CPH-16 Filtration & Silt Separation

High-efficiency solids separation with whisper-low pressure loss — zero consumables, auto purge, seawater-ready.

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Wastewater pH System Specification ChecklistChemical Feed & pH Control
Wastewater pH System Specification Checklist

7 critical decisions for specifying, evaluating, or auditing an automated pH neutralization system — free PDF download.

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Houston PolyTank 3,000-Gal Pressure TankTanks & Storage
Houston PolyTank 3,000-Gal Pressure Tank

Extrusion-wound PP pressure vessel certified 50 PSI/24hrs — DVS 2205, 98% sulfuric acid compatible.

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Industrial Cartridge Filtration Spec CheckFiltration & Water Treatment
Industrial Cartridge Filtration Spec Check

Free 14-page field guide — housing sizing, failure diagnostics, spun vs. pleated selection, RO pretreatment, DOE/SOE bypass prevention.

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Graco QUANTM Electric Diaphragm PumpsPumps
Graco QUANTM Electric Diaphragm Pumps

What electric double diaphragm pumps are, the real energy math vs air pumps, verified QUANTM i230 specs, and where they don't fit.

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Industrial Valves, Actuators & SCADAValves & Actuation
Industrial Valves, Actuators & SCADA

Zero-Spec-Failure standard for valve, actuation, and SCADA integration, ASME B31.3 and API 6D compliant.

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CMP Slurry Pump Failure — Bellows vs. Mag-DriveSemiconductor & High-Purity
CMP Slurry Pump Failure — Bellows vs. Mag-Drive

Why a correctly-rated pneumatic bellows pump can still be the root cause of CMP wafer defects — the shear-stress mechanism and the mag-drive fix.

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SEMI F57 Vendor SubstitutionSemiconductor & High-Purity
SEMI F57 Vendor Substitution

Why "same resin" on a cut sheet doesn't mean qualified — the failure timeline and what to ask before approving a substitution.

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GF Signet Instrumentation for Semiconductor UPW & Chemical SystemsSemiconductor & High-Purity
GF Signet Instrumentation for Semiconductor UPW & Chemical Systems

Transmitters, add-on modules, and conductivity/resistivity sensors — a decision table and real specs sourced from GF Signet's own documentation.

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Chemical Dosing Systems for Semiconductor Fab FacilitiesSemiconductor & High-Purity
Chemical Dosing Systems for Semiconductor Fab Facilities

Blue-White metering pumps, flow verification, and skid systems for facilities and utility infrastructure — wastewater, scrubbers, cooling. Not wafer-contact chemical delivery.

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Acid/Caustic Neutralization & Chemical Dosing for Semiconductor FacilitiesSemiconductor & High-Purity
Acid/Caustic Neutralization & Chemical Dosing for Semiconductor Facilities

Real Blue-White calibration chemistries and material compatibility ratings matched to fab neutralization, coagulation, and oxidant dosing points.

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Flow Verification & Failure Detection for Semiconductor Chemical DosingSemiconductor & High-Purity
Flow Verification & Failure Detection for Semiconductor Chemical Dosing

Command isn't delivery. Real Blue-White TFD, DFD, and MS6 flow verification — how the failure-detection layer between a run signal and confirmed chemical delivery actually works.

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Duplex/Standby Chemical Dosing Architecture for Semiconductor FacilitiesSemiconductor & High-Purity
Duplex/Standby Chemical Dosing Architecture for Semiconductor Facilities

Two pumps on one skid isn't automatically redundancy. The real failover sequence LibertyCES engineers around Blue-White's duplex hardware and failure-detection signals.

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Chemical Feed Skid Selection for Semiconductor FacilitiesSemiconductor & High-Purity
Chemical Feed Skid Selection for Semiconductor Facilities

CFPS vs. CFCS vs. CFWS — the real material, mounting, and flow-verification differences between Blue-White's three skid families, decision-table format.

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Facilities Chemical Dosing vs. Wafer-Contact Chemical Delivery

Where the Blue-White dosing cluster ends and SEMI-qualified wafer-contact UHP chemical delivery begins — a deliberate scope boundary, stated plainly.

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Thermoplastic Piping — Schedule 40 PVC SystemsPiping & Fittings
Thermoplastic Piping — Schedule 40 PVC Systems

PVC, CPVC, PP, PVDF, ECTFE compared — joining methods, expansion control, and water hammer prevention.

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High-Purity PFA & FEP Tubing SystemsPiping & Fittings
High-Purity PFA & FEP Tubing Systems

100% virgin Daikin resin tubing — SEMI F57, FDA/NSF-61, USP Class VI, PFA vs FEP comparison.

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GORE Expanded PTFE Gaskets & SealantsMaterials & Seals
GORE Expanded PTFE Gaskets & Sealants

One gasket family across steel, glass-lined, and FRP flanges — zero-leak certification.

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Chemical & Acid Transfer HosesPiping & Fittings
Chemical & Acid Transfer Hoses

CHEM ONE, Novaflex 4200, and Novaflex 4700 compared by chemical severity level.

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Industrial Process Piping SystemsPiping & Fittings
Industrial Process Piping Systems

The Code Shield — ASME B31.3-informed selection, material compatibility, and double containment.

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Industrial Pipe Fittings & FlangesPiping & Fittings
Industrial Pipe Fittings & Flanges

Flange type comparison, PVDF/ECTFE beyond steel, Dresser couplings, and a full spec checklist.

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Industrial Valve Actuation & AutomationValves & Actuation
Industrial Valve Actuation & Automation

Electric vs pneumatic actuation, the complete valve guide, zero emissions/DBB, and a 6-vendor comparison.

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Industrial Filtration & Wastewater SupplyFiltration & Water Treatment
Industrial Filtration & Wastewater Supply

Basket vs Y-strainers, simplex vs duplex, bag vs cartridge, and pre-RO membrane protection.

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Industrial Fluid Sealing & TubingPiping & Fittings
Industrial Fluid Sealing & Tubing

System integrity hub for tubing, transfer hoses, and fluid handling components.

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Industrial Fluid Handling & Filtration SystemsFiltration & Water Treatment
Industrial Fluid Handling & Filtration Systems

Wastewater reuse/dispersal, water-powered fertigation, sand filtration, and industrial RO.

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Industrial Wastewater Dispersal SystemsFiltration & Water Treatment
Industrial Wastewater Dispersal Systems

Subsurface drip irrigation and water reuse — Netafim Bioline self-cleaning emitters.

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Precision Fertigation & Chemical Injection SkidsChemical Feed & pH Control
Precision Fertigation & Chemical Injection Skids

Mechanical vs digital dosing, 4-step sizing methodology, and RO integration for hydroponics.

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Commercial Sand FiltrationFiltration & Water Treatment
Commercial Sand Filtration

Two-stage centrifugal separation + high-rate filtration for cooling towers and manufacturing plants.

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Industrial Reverse Osmosis SystemsFiltration & Water Treatment
Industrial Reverse Osmosis Systems

10–15 year membrane life vs 2-year standard failure — pre-treatment engineering and CIP systems.

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Cooling Water Filtration & HydrocyclonesFiltration & Water Treatment
Cooling Water Filtration & Hydrocyclones

A clear jar is not proof of low suspended solids — full technology comparison and 8-step spec process.

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Chemical Feed System SkidsChemical Feed & pH Control
Chemical Feed System Skids

Three pillars (chemistry, hydraulics, protection), system architecture, and an 8-step spec process.

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Direct Lithium Extraction Piping & ValvesMining & DLE
Direct Lithium Extraction Piping & Valves

Six process stages, DLE service zone material matrix, and Asahi/America infrastructure options.

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DLE Pump SolutionsMining & DLE
DLE Pump Solutions

Surviving the lithium "Valley of Death" — sealless mag-drive, peristaltic, and electric diaphragm architecture.

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Mining Pump Technology Selection GuideMining & DLE
Mining Pump Technology Selection Guide

Match the mine duty to the pump — peristaltic, EODD, and mag-drive centrifugal slurry transfer.

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EODD vs AODD Pump for MiningMining & DLE
EODD vs AODD Pump for Mining

When to switch from air-operated to electric diaphragm — full decision matrix and QUANTM model specs.

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Industrial Cartridge Filtration SystemsFiltration & Water Treatment
Industrial Cartridge Filtration Systems

Root cause analysis, 5 spec variables, RO membrane protection, and differential-pressure service life.

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Carbon Block Cartridges — Chlorine Removal & RO ProtectionFiltration & Water Treatment
Carbon Block Cartridges — Chlorine Removal & RO Protection

Hydraulic vs chlorine-reduction flow ratings — why they're not the same number.

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Food & Beverage Process Water FiltrationFiltration & Water Treatment
Food & Beverage Process Water Filtration

NSF/ANSI 61, FDA 21 CFR, sanitary housing selection, and 5 specification checks auditors look for.

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AXEON FST & FSD Cartridge Filter HousingsFiltration & Water Treatment
AXEON FST & FSD Cartridge Filter Housings

Single vs multi-stage cartridge filtration — FST to 15 GPM, FSD to 30 GPM.

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How to Size a Cartridge Filter Housing for Peak FlowFiltration & Water Treatment
How to Size a Cartridge Filter Housing for Peak Flow

The sizing formula, four sources of peak demand, and differential-pressure verification.

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Spun vs Pleated Sediment CartridgesFiltration & Water Treatment
Spun vs Pleated Sediment Cartridges

Identical 5-micron ratings perform differently by construction — surface blinding, nominal vs absolute.

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When to Replace Industrial Filter CartridgesFiltration & Water Treatment
When to Replace Industrial Filter Cartridges

Three replacement triggers, whichever comes first — DP rule, DOE vs SOE seal risk, changeout checklist.

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RO Pre-Treatment Filtration — 5-Micron ProtectionFiltration & Water Treatment
RO Pre-Treatment Filtration — 5-Micron Protection

Two threats cause premature RO membrane failure: particulate fouling and chlorine oxidation.

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Filter Bags vs Cartridges for High-Flow Process WaterFiltration & Water Treatment
Filter Bags vs Cartridges for High-Flow Process Water

Cartridges for fine/absolute filtration; bags for high flow and high solids loading.

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Peristaltic Pump for MiningMining & DLE
Peristaltic Pump for Mining

SoloTech on reagents, slurries, and abrasives — full specs and architecture comparison.

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Heap Leach Irrigation Equipment SelectionMining & DLE
Heap Leach Irrigation Equipment Selection

Driplines, sprinklers, distribution piping, and control valves — real Netafim mining-line specs, including where the valve diaphragm chemistry limits the system.

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Solvent Extraction & Electrowinning (SX-EW) Equipment

Metering pumps, valves, and circulation equipment for SX-EW — real, named product lines from ProMinent, Asahi/America, and Richter Chemie-Technik.

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Knife Gate vs Ball vs Butterfly Valve — Abrasive Slurry Isolation

Which valve type isolates abrasive mining slurry correctly, and why — real AVCO Valve product comparison across three geometries.

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Battery Recycling / Black Mass Leach Equipment

Four real process stages in a hydrometallurgical black-mass leach circuit, each with a confirmed manufacturer.

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Sulfuric Acid Feed System Equipment for Lithium Hydroxide Plants

Bulk unloading, transfer pumps, isolation valves and metering pumps for the acid feed system on a sulfate-route lithium leach circuit, distinct from DLE.

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Sulfuric Acid Circuit Sizing Worksheet

Free fill-in worksheet: bulk storage tank volume, transfer pipe diameter, pump head/NPSH, and metering-pump range for a concentrated acid feed circuit.

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Heap Leach ADR & Carbon Plant: Reagent-Handling Equipment

Cyanide, lime/caustic, acid wash and antiscalant equipment for a heap-leach ADR/carbon-adsorption plant, with real figures from a public 2025 heap-leach gold-silver PEA.

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ADR & Carbon Plant Reagent-Handling Checklist

Free checklist: cyanide makeup and dosing, caustic/lime pH control, loaded-carbon acid wash, and antiscalant dosing equipment.

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Industrial Water Softener Systems (25,000 GPD)Filtration & Water Treatment
Industrial Water Softener Systems (25,000 GPD)

Six-stage skid architecture, ion exchange, brine support, UV disinfection, and SCADA-ready monitoring.

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Precision pH Control for Industrial WastewaterChemical Feed & pH Control
Precision pH Control for Industrial Wastewater

Cheese plant case study — closed-loop dosing, 24% chemical savings, full system components.

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Mag-Drive Pump Crossover & ReplacementPumps
Mag-Drive Pump Crossover & Replacement

In-stock, ready-to-ship crossover options — what verification a correct crossover actually needs.

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DVS 2205 Thermoplastic Tank SpecificationsTanks & Storage
DVS 2205 Thermoplastic Tank Specifications

Houston PolyTank extrusion-wound HDLPE/PP tanks — full material comparison vs FRP and roto-molded.

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Hayward TBH Z-Ball True Union Ball Valve — Sizing & Lockout/Tagout GuideValves & Actuation
Hayward TBH Z-Ball True Union Ball Valve — Sizing & Lockout/Tagout Guide

Real Cv sizing data, pressure ratings, and a built-in lockout/tagout mechanism purpose-built for sodium hypochlorite service.

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Odor & Fume Control Selection GuideAir Pollution Control
Odor & Fume Control Selection Guide

Chemical scrubber vs. biofilter vs. carbon adsorber — flow-configuration and packing media selection logic.

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The Fab-Grade Vendor Qualification ChecklistPiping & Fittings
The Fab-Grade Vendor Qualification Checklist

12 questions that separate a real high-purity/process-safety vendor from a catalog reseller — SEMI F57/F41, ISO 14644-1, ISO 9001, HAZOP/DHA, and CAPA, free PDF download.

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The Zero-Guesswork Specification FrameworkEngineering & Specification
The Zero-Guesswork Specification Framework

The 7-gate specification discipline behind every LibertyCES recommendation — Fluid, Hydraulic, Material, Purity, Containment, Instrumentation, and Controls, free PDF download.

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Mag-Drive Pump Protection for Semiconductor Chemical TransferPumps
Mag-Drive Pump Protection for Semiconductor Chemical Transfer

Sealless doesn't mean failure-proof — the 9-layer protection stack, real Finish Thompson M20 power monitor specs, free PDF download.

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Why Semiconductor Wastewater Isn't One StreamChemical Feed & pH Control
Why Semiconductor Wastewater Isn't One Stream

Fluoride, metals, CMP slurry, and ammonia each need different treatment chemistry — segregate before treatment, free PDF download.

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Fluoride Wastewater Treatment for Semiconductor Facilities

The real calcium precipitation train, 8 stages, real ProMinent metering pump dosing data.

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CMP Wastewater Treatment for Semiconductor Facilities

Why solids change the pump technology decision — the real 6-stage treatment train and Schurco slurry-duty pump data.

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Double Containment Is More Than Two PipesPiping & Fittings
Double Containment Is More Than Two Pipes

The annular space as its own engineered system — real Asahi Duo-Pro and Icon leak-detection specs, free PDF download.

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Pre-Assembled Chemical Skids for Semiconductor Support SystemsChemical Feed & pH Control
Pre-Assembled Chemical Skids for Semiconductor Support Systems

Real Blue-White CHEM-FEED skid families and Griffco chemical-feed accessories — what's actually inside a factory-tested dosing skid.

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Semiconductor Fume Scrubber & Exhaust SupportAir Pollution Control
Semiconductor Fume Scrubber & Exhaust Support

Packed-bed scrubber architecture — real Perry Fiberglass APOLLO/OMEGA/ODYSSEY series specs and liquid-side dosing components.

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Ion Exchange & CEDI for Semiconductor UPW

5 distinct roles — pretreatment, deionization, UPW polishing, selective removal, wastewater polishing — plus real AXEON EDI-Series specs.

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Where We Draw the Line

Wet chemical infrastructure vs. specialty gas systems — a deliberate scope boundary, stated plainly.

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Peracetic Acid (PAA) Equipment Selection Guide

PTFE/PVDF-only valves, XLPE storage tanks with 316 SS fittings, and off-gassing-resistant metering pumps — real vendor specs, not a generic chart.

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Hydrofluoric Acid pH Sensor Selection Guide

Why a correctly-specified PP/PVDF HF system still destroys a standard glass pH probe — fluoride-ion glass attack vs. generic acid resistance, Emerson vs. Hanna compared.

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Why CPVC Melts at the Sulfuric Acid Injection Point

A localized dilution-heat spike at the injection point — not bulk chemical incompatibility — is what actually softens and cracks CPVC otherwise correctly rated for the process concentration.

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93-98% Sulfuric Acid: Tank vs. Piping Material Selection

Bulk storage tank and transfer/feed piping need separate material answers — and 98% nominal vs. 98.3%+ actual concentration is not the same service condition.

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Nejayote Wastewater: Acid Dosing & pH Control

How masa and tortilla plants handle high-pH lime cook water: HCl dosing ahead of solids removal, pH trim before a biological step, and the equipment for each.

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How an Air Operated Double Diaphragm Pump WorksPumps
How an Air Operated Double Diaphragm Pump Works

Video + diagrams: the two-diaphragm stroke, the air valve, check balls, what a "300 gpm" rating means on the curve, and how much compressed air an AODD uses.

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AODD Diaphragm Chemical Compatibility ChartMaterials & Seals
AODD Diaphragm Chemical Compatibility Chart

FTI Air ratings for 49 common chemicals across housing, diaphragm, ball and seat materials, including why glass-filled polypropylene rates differently from plain PP.

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NPSH Explained: NPSHa vs NPSHrPumps
NPSH Explained: NPSHa vs NPSHr

How to calculate NPSH available, why NPSH required rises with flow, flooded suction vs suction lift, and the suction-piping rules that stop cavitation. Worked mag-drive example.

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Diaphragm Pump Sizing CalculatorPumps
Diaphragm Pump Sizing Calculator

Free AODD duty-point tool: enter flow, head, SG and plant air to see the inlet air pressure, curve position and suction check on the FT30P curve, plus a PDF worksheet.

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Diaphragm Pump TroubleshootingPumps
Diaphragm Pump Troubleshooting

Why air-operated diaphragm pumps stall, won't prime, lose flow or ice up, how to tell a diaphragm has failed, and the fix for each symptom.

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Compressed Air Cost Calculator: Air vs Electric Diaphragm PumpPumps
Compressed Air Cost Calculator: Air vs Electric Diaphragm Pump

Free tool: enter flow, discharge pressure, hours and $/kWh to compare an air-operated pump's compressor kW and yearly cost against an electric diaphragm pump, with a check against the QUANTM i230 curve and a PDF worksheet.

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HCl Feed & pH Adjustment Sizing WorksheetChemical Feed & pH Control
HCl Feed & pH Adjustment Sizing Worksheet

Free 3-page worksheet: inputs to collect, acid feed-rate and storage math, and the HCl materials and containment checklists.

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Equalization Tank & Polymer Feed Equipment for Food & Beverage Wastewater

A real, publicly filed CEC grant record: why an undersized EQ tank drives up polymer usage, the equipment train, and how to size the tank and feed rate.

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Polymer Feed & EQ Tank Sizing WorksheetChemical Feed & pH Control
Polymer Feed & EQ Tank Sizing Worksheet

Free 3-page worksheet: EQ tank working-volume and polymer dose/feed-rate equations, plus an equipment and commissioning checklist.

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Chlorine Dioxide Generator Selection Guide

On-site ClO2 generation bundles chemistry and equipment into one decision — real ProMinent, De Nora, Xylem, and CDG specs, plus the tank material rule.

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Ferric Chloride & Sulfate Equipment Selection Guide

Ferric coagulants etch FRP tanks. Real specs for XLPE storage, Hayward Flow Control metering pump materials, and March mag-drive transfer pumps.

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Chlorine Gas Valve Selection: Monel & Hastelloy Guide

Chlorine liquefies under pressure — the real standard (Chlorine Institute Pamphlet 6) requires vented ball design and Monel/Hastelloy trim, single-vendor verified.

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Chrome Reduction & Cyanide Destruction pH/ORP Setpoints

Real vendor-published setpoints for both processes — plus the two real gas-release hazards most specs miss.

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Hydrogen Peroxide Equipment Selection Guide

H2O2 needs a specific diaphragm valve type and welded PE fittings, not just PVDF/PTFE materials — real Asahi/America and Peabody Engineering specs.

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Environmental Stress Cracking vs. Chemical Resistance

A chemical rated "Resistant" can still crack a polyethylene tank under mechanical load — why ESCR is a separate failure mode from chemical resistance.

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316 Stainless Steel Corrosion — Chemicals to Avoid

Flowline data rates 316SS Corroded or Fair against 24 named chemicals — sodium hypochlorite, sulfuric acid, HF, and more — with PVDF/PTFE/PFA rating Excellent in the same row.

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Liquid Ammonium Sulfate for Chloramination Guide

LAS avoids pressurized ammonia storage where it's a viable process substitute — real Poly Processing XLPE/IMFO tank spec.

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Asahi America Thermoplastic Valves — Material Selection & Chemical-Service Specs

Specify Asahi/America thermoplastic valves for chemical and water treatment. Compare PVC, CPVC, PP, PVDF, ball, diaphragm, and butterfly types.

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How Centrifugal Pump Curves Change With High-Viscosity Chemicals (And Why the Water Curve Lies to You)

High-viscosity chemical service drops a centrifugal pump's flow, head, and efficiency below its water curve while brake horsepower climbs

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Chemical Tank & Secondary Containment Action ChecklistTanks & Storage
Chemical Tank & Secondary Containment Action Checklist

What to do the day an inspection report flags your tank — the four real responses, internal vs. external inspection, and how to actually size secondary containment.

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Concentrated Sulfuric Acid Materials Field Guide

93-100% H2SO4 — tank, piping, valve, and pump material selection for heap leach and hydrometallurgical service, including two real vendor conflicts this guide doesn't…

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FRP Tank Resin Selection for Sodium Hypochlorite

Isophthalic polyester vs. vinyl ester for NaOCl storage tanks — why the resin-rich interior liner matters more than the tank material label. Free guide.

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Free Tank Spec & Quote Comparison Worksheet

Answer 6 quick questions about your chemical storage tank and get a free personalized Excel worksheet

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Hydrometallurgical Equipment Selection Guide

Heap leach irrigation through SX-EW and dewatering — real, confirmed equipment at every stage of a hydrometallurgical leach circuit, plus the honest gaps in the roster.

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Hypochlorite Suction-Path Blueprint

Why a sodium hypochlorite metering pump loses prime when nothing is broken — the 5-step suction-path check, plus the storage and feed spec decisions that stop it.

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Free Vendor Qualification Checklist

12 questions that separate a real process-equipment vendor from a catalog reseller — for pumps, tanks, valves, chemical feed, and scrubbers across any industry. Free PDF.

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Industrial Process Water Filtration — Specification Authority

Housing sizing, cartridge media selection, NSF compliance thresholds, and RO pre-treatment sequencing for industrial process water filtration systems.

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Industrial Wastewater Treatment: Removal vs. DestructionFiltration & Water Treatment
Industrial Wastewater Treatment: Removal vs. Destruction

Most industrial wastewater treatment removes contaminants without destroying them — concentrating them into sludge, spent media, or brine you still own.

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Leach Circuit Bid Package Checklist

What an EPC or mine owner needs to send an equipment supplier to get a real quote, not a catalog guess — 6 categories of process data, plus a complete checklist.

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What Causes Metering Pump Cavitation (It's Usually Not What You Think)

Metering pump cavitation is almost always a suction-side filling problem driven by acceleration head from the pump's pulsed stroke, not classical NPSH

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NPSH Available Lower Than Required: What Actually Fixes ItPumps
NPSH Available Lower Than Required: What Actually Fixes It

Fixing NPSHa below NPSHr means either raising NPSH available at the suction or lowering the pump's NPSH required

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What a Pulsation Dampener Actually Does on a Chemical Dosing Skid

A pulsation dampener absorbs the instantaneous flow and pressure pulses from a diaphragm metering pump's stroke through a precharged gas cushion, then releases that…

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How to Prevent Vapor Lock in Sodium Hypochlorite Metering Pumps

Design the suction side of a sodium hypochlorite feed system so off-gassed oxygen migrates out through a proper vent path instead of collecting in the metering pump…

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Spec Review

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Reviewed by James Riggins, 30+ years specifying water and chemical process equipment · Updated