Manufacturers / Poly Processing
Poly Processing
SAFE-Tank double-wall containment, crosslinked polyethylene (XLPE) construction, IMFO outlet fittings, and OR-1000 rupture protection — 30+ years, 100+ LibertyCES-specified projects, zero specification failures.
Direct answer
Poly Processing makes crosslinked polyethylene (XLPE) chemical storage tanks. The SAFE-Tank is a double-wall system where the outer tank contains the inner tank's full volume, in sizes from 55 to 10,500 gallons. IMFO outlet fittings are molded into the tank wall, removing the typical first leak point, and OR-1000 adds rupture protection.
Product Families
What LibertyCES specifies from Poly Processing
SAFE-Tank System
Vertical · Cone Bottom · Sloped Bottom · Horizontal · Open Top
Double-wall secondary containment — the outer tank fully contains the inner tank's entire volume as one integrated system. Crosslinked polyethylene (XLPE) resists environmental stress cracking (ESCR).
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IMFO Outlet Fitting
Sloped-Bottom & Vertical
Outlet flange molded as part of the tank wall — removes the seam that's typically the first leak point on a bottom-outlet tank, and a sloped-bottom IMFO tank fully drains.
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OR-1000 Rupture Protection
OR-1000
Engineered to arrest a tank failure before it becomes an uncontrolled release — a documented protection layer beyond the tank's base pressure/stress rating.
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Spec Data
Poly Processing — Real Catalog Spec Data
| Product Line | Model | Category | Material | Size / Capacity | Temp Rating |
|---|---|---|---|---|---|
| SAFE-Tank | double-wall containment tank | Storage Tank | cross-linked polyethylene (XLPE) | 55 to 10500 gal; min 110% secondary containment | n/a |
| Sloped Bottom Vertical Tanks with IMFO | Sloped Bottom Vertical Tanks with IMFO | Storage Tank | crosslinked polyethylene (XLPE) | 3950-15000 gal, full drain via sloped floor + IMFO outlet | n/a |
| Vertical Tanks with IMFO | Vertical Tanks with IMFO | Storage Tank | crosslinked polyethylene (XLPE) | 200-15500 gal, molded flange outlet, highest NPHS of non-coned vertical tanks | n/a |
| Vertical Tanks | Vertical Tanks | Storage Tank | crosslinked polyethylene (XLPE) | 30-15500 gal | n/a |
| Cone-Bottom Tanks | Cone-Bottom Tanks | Storage Tank | polyethylene | 55-10950 gal, 100% drain, addresses vortexing, needs steel stand/basket | n/a |
| Open-Top Tanks | Open-Top Tanks | Storage Tank | polyethylene | 50-14650 gal, for blending/containment, mixer bridge compatible | n/a |
| Secondary Containment Basins | Secondary Containment Basins | Containment Basin | polyethylene | 80-1850 gal, open-top, concrete alternative | n/a |
| Polyspheres | Polyspheres | Storage Tank | polyethylene | 520-1080 gal, spherical, primarily agricultural | n/a |
| Horizontal Tanks | Horizontal Tanks | Storage Tank | polyethylene | 30-2600 gal, metal leg stands, primarily agricultural | n/a |
| Lined Steel Vessels | PolyGard | Tank Lining | polyethylene bonded to stainless/carbon steel | 0.25in nominal thickness (vs 0.06in spray-in liners), applied to customer's steel vessel | n/a |
| Non-Standard Tanks & Custom Molded Products | Custom Molded Products | Custom Tank/Product | polyethylene | custom per project, no standard size table | n/a |
| Fittings | IMFO Fittings | Fitting | n/a | sizes 3in, 4in, 6in tapered nozzle, seamless one-piece | n/a |
| Fittings | B.O.S.S. Fitting | Fitting | polyethylene body, PVC/CPVC back ring | sizes 1,2,3in; bolts 316SS/titanium/C-276; gaskets EPDM/Viton/Viton GF | n/a |
| Fittings | Bellows Transition Fitting | Fitting | n/a | SAFE-Tank bottom discharge, pre-assembled, pressure-tested | n/a |
| Fittings | Bolted Flange Fitting | Fitting | PVC, CPVC | sizes 1-4in threaded, 1-6in socketed; bolts 316SS/titanium/C-276/Alloy 400 | n/a |
Sourced from Poly Processing's own catalog documentation.
Related
Related Manufacturers & Products
FAQ
Frequently Asked Questions
What is a Poly Processing SAFE-Tank system?
A double-wall secondary containment tank where the outer tank fully contains the inner tank's entire volume, engineered as one integrated system rather than a tank-plus-berm afterthought.
What is XLPE and why does it matter for chemical storage tanks?
Crosslinked polyethylene — it resists environmental stress cracking (ESCR) better than standard HDPE under long-term chemical exposure and UV load, the specific failure mode ESCR-rated resin is engineered to avoid.
What does the IMFO outlet fitting do differently?
The outlet flange is molded as part of the tank wall itself rather than a separate bolted or welded bulkhead fitting, removing the seam that's typically the first leak point on a bottom-outlet tank.
Spec Review
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Models
Poly Processing models in the LibertyCES catalog
52 models across 17 product lines. For most models that state them (the middle 80%): connection sizes 0.5–19 in. Extremes are in the table.
| Model / line | Type | Size / capacity / flow | Pressure | Temperature | Wetted material | Source |
|---|---|---|---|---|---|---|
| SAFE-Tank double-wall containment tank | Storage Tank | 55–10,500 gal (208–39,747 L) | cross-linked polyethylene (XLPE) | Poly Processing — SAFE-Tank | ||
| Sloped Bottom Vertical Tanks with IMFO Sloped Bottom Vertical Tanks with IMFO | Storage Tank | 3,950–15,000 gal (14,952–56,781 L) | crosslinked polyethylene (XLPE) | Poly Processing — Full Tank Offerings | ||
| Vertical Tanks with IMFO Vertical Tanks with IMFO | Storage Tank | 200–15,500 gal (757–58,674 L) | crosslinked polyethylene (XLPE) | Poly Processing — Full Tank Offerings | ||
| Vertical Tanks Vertical Tanks | Storage Tank | 30–15,500 gal (114–58,674 L) | crosslinked polyethylene (XLPE) | Poly Processing — Full Tank Offerings | ||
| Cone-Bottom Tanks Cone-Bottom Tanks | Storage Tank | 55–10,950 gal (208–41,450 L) | polyethylene | Poly Processing — Full Tank Offerings | ||
| Open-Top Tanks Open-Top Tanks | Storage Tank | 50–14,650 gal (189–55,456 L) | polyethylene | Poly Processing — Full Tank Offerings | ||
| Secondary Containment Basins Secondary Containment Basins | Containment Basin | 80–1,850 gal (303–7,003 L) | polyethylene | Poly Processing — Full Tank Offerings | ||
| Polyspheres Polyspheres | Storage Tank | 520–1,080 gal (1,968–4,088 L) | polyethylene | Poly Processing — Full Tank Offerings | ||
| Horizontal Tanks Horizontal Tanks | Storage Tank | 30–2,600 gal (114–9,842 L) | polyethylene | Poly Processing — Full Tank Offerings | ||
| Lined Steel Vessels PolyGard | Tank Lining | 0.25in nominal thickness (vs 0.06in spray-in liners), applied to customer's steel vessel | polyethylene bonded to stainless/carbon steel | Poly Processing — Full Tank Offerings | ||
| Non-Standard Tanks & Custom Molded Products Custom Molded Products | Custom Tank/Product | custom per project, no standard size table | polyethylene | Poly Processing — Full Tank Offerings | ||
| Fittings IMFO Fittings | Fitting | sizes 3in, 4in, 6in tapered nozzle, seamless one-piece | n/a | Poly Processing — Fittings & Accessories | ||
| Fittings B.O.S.S. Fitting | Fitting | sizes 1,2,3in; bolts 316SS/titanium/C-276; gaskets EPDM/Viton/Viton GF | polyethylene body, PVC/CPVC back ring | Poly Processing — Fittings & Accessories | ||
| Fittings Bellows Transition Fitting | Fitting | SAFE-Tank bottom discharge, pre-assembled, pressure-tested | n/a | Poly Processing — Fittings & Accessories | ||
| Fittings Bolted Flange Fitting | Fitting | sizes 1-4in threaded, 1-6in socketed; bolts 316SS/titanium/C-276/Alloy 400 | PVC, CPVC | Poly Processing — Fittings & Accessories | ||
| Fittings Bolted Spool Fitting | Fitting | sizes 1-12in, custom fabricated, gussets on 8in+ | PVC, CPVC, polypropylene | Poly Processing — Fittings & Accessories | ||
| Fittings Bulkhead Fitting | Fitting | sizes 0.5-6in; not for tanks >3000gal or >6ft height; creeps over time | PVC, CPVC, polypropylene | Poly Processing — Fittings & Accessories | ||
| Fittings Universal Ball Dome Flanges | Fitting | sizes 1-4in, self-aligning up to 22 degrees, Ryton bolt option | PVC, CPVC | Poly Processing — Fittings & Accessories | ||
| Fittings Universal Ball Dome Bulkheads | Fitting | sizes 1-3in, self-aligning, top-use only | PVC, CPVC | Poly Processing — Fittings & Accessories | ||
| Fittings Made-Vertical Fittings | Fitting | sizes 1-10in, custom fabricated, top-use only | PVC, CPVC | Poly Processing — Fittings & Accessories | ||
| Fittings Flange Adapter | Fitting | sizes 1-4in threaded, 1-6in socketed | PVC, CPVC | Poly Processing — Fittings & Accessories | ||
| Fittings Stainless Steel Fittings | Fitting | sizes 0.5-4in, one-piece | 316 stainless steel | Poly Processing — Fittings & Accessories | ||
| Plumbing Butterfly Valve | Valve | sizes 2-6in; seals EPDM/Viton/Viton GF; bolts 316SS/titanium/C-276/Alloy 400 | PVC, CPVC, polypropylene | Poly Processing — Fittings & Accessories | ||
| Plumbing Ball Valve | Valve | sizes 0.5-6in; seals EPDM/Viton/Teflon | PVC, CPVC, polypropylene | Poly Processing — Fittings & Accessories | ||
| Plumbing Flexible Hose Connection | Hose/Connector | sizes 1-3in | UHMW hose, PVC or SS nipple | Poly Processing — Fittings & Accessories | ||
| Plumbing PTFE Expansion Joint | Expansion Joint | required on tanks >600gal; axial compression/extension >=0.67in | PTFE, Fluorforming process, LimitLinks stainless cables | Poly Processing — Fittings & Accessories | ||
| Plumbing EPDM Expansion Joint | Expansion Joint | required on tanks >600gal; axial compression >=0.67in, extension >=0.625in | 100% EPDM, PVC backing rings | Poly Processing — Fittings & Accessories | ||
| Plumbing PVC Liquid Level Gauge | Instrumentation | up to 3 optional valves | 3/4in clear PVC tubing | Poly Processing — Fittings & Accessories | ||
| Plumbing Reverse Float Level Gauge | Instrumentation | not for metering purposes; float weighted to chemical SG | PVC, polypropylene rope | Poly Processing — Fittings & Accessories | ||
| Plumbing Combination Internal & External Fill/Discharge Drop Pipes | Plumbing | sizes 1-3in, true union | PVC, CPVC | Poly Processing — Fittings & Accessories | ||
| Plumbing Fill External Drop Pipes | Plumbing | sizes 1-3in, true union | PVC, CPVC | Poly Processing — Fittings & Accessories | ||
| Plumbing Fill/Discharge Internal Drop Pipes | Plumbing | sizes 1-3in, true union | PVC, CPVC | Poly Processing — Fittings & Accessories | ||
| Plumbing Anti-Foam Fill Assembly | Plumbing | sizes 1-3in | PVC, CPVC | Poly Processing — Fittings & Accessories | ||
| Manways/Lids SAFE-Surge Manway Cover | Manway/Lid | 19in, 24in; releases at 6in water column, for pneumatic-filled tanks | n/a | Poly Processing — Fittings & Accessories | ||
| Manways/Lids F.S. 2650 Manway Cover | Manway/Lid | 24in; relieves up to 2650 ACFM, combined manway+vent | n/a | Poly Processing — Fittings & Accessories | ||
| Manways/Lids Bolted (8/16) Manway Cover | Manway/Lid | 19in, 24in | n/a | Poly Processing — Fittings & Accessories | ||
| Manways/Lids Fume-Tight Manway Cover | Manway/Lid | 17in, 24in; required for HCl applications | bolts SS/Alloy C-276/titanium; gaskets EPDM/Viton/Viton GF/XLPE/Buna | Poly Processing — Fittings & Accessories | ||
| Manways/Lids Threaded Lid | Manway/Lid | 5,7,12,17in; not fume-tight, not for fuming chemicals | gaskets EPDM/Viton/Viton GF/XLPE/Buna | Poly Processing — Fittings & Accessories | ||
| Manways/Lids Hinged-Weighted Manway | Manway/Lid | 19in, 24in; opens at 0.25psi; used for hydrogen peroxide decomposition venting | 0 psi (0 bar) | 316 stainless steel weighted arm | Poly Processing — Fittings & Accessories | |
| Manways/Lids Side Manway | Manway/Lid | 24in / thru-the-wall, for personnel entry | stainless steel or FRP | Poly Processing — Fittings & Accessories | ||
| Manways/Lids Open-Top Cover | Manway/Lid | for cylindrical/rectangular open-top tanks | 0.25-0.75in polyethylene sheet | Poly Processing — Fittings & Accessories | ||
| Accessories SilcoPad Heat Pads and Insulation | Accessory | max product temp 100F; Delta T options 30/60/100F | to 100 °F (to 38 °C) | n/a | Poly Processing — Fittings & Accessories | |
| Accessories PolyLevel Leak Detection System | Accessory | LDS sensor + ProAlert2 alarm + LP75 connector, for secondary containment | n/a | Poly Processing — Fittings & Accessories | ||
| Accessories PolyLevel Radar Level Package | Instrumentation | ProScan3 radar sensor + ShoPro display + SBF bulkhead + CablePro + VAC power cable | n/a | Poly Processing — Fittings & Accessories | ||
| Accessories Agitator and Mixer Brackets | Accessory | free-standing, portable, or tank-integrated styles | mild steel (painted/epoxy/powder-coated) or stainless steel | Poly Processing — Fittings & Accessories | ||
| Vents and Scrubbers U-Vent | Vent | sizes 2-6in, standard outdoor/fume venting | PVC | Poly Processing — Fittings & Accessories | ||
| Vents and Scrubbers Mushroom Vent | Vent | sizes 1-3in, economical day tank vent | polypropylene | Poly Processing — Fittings & Accessories | ||
| Vents and Scrubbers 8in Mushroom Vent Assembly | Vent | 8in, flange molded in, bird/debris protection | HDPE screen | Poly Processing — Fittings & Accessories | ||
| Vents and Scrubbers PolyScrub | Scrubber | custom-built, submerged plenum fume scrubber | n/a | Poly Processing — Fittings & Accessories | ||
| Restraint Systems Seismic Restraints | Restraint System | 6-clip/3-way-cable or 8-clip/4-way-cable configurations | galvanized or 316 stainless steel | Poly Processing — Fittings & Accessories | ||
| Restraint Systems Wind Restraints | Restraint System | cable system, standard for 150mph wind speeds | n/a | Poly Processing — Fittings & Accessories | ||
| Restraint Systems Anchor Bolts | Restraint System | for seismic/wind restraint packages | n/a | Poly Processing — Fittings & Accessories |
This table is part of the equipment catalog dataset (CSV and JSON).
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Reviewed by James Riggins, 30+ years specifying water and chemical process equipment · Updated