PFA/PTFE-Lined Valve & Sight Glass — Hydrocarbons/Fuels/Oils
Named chemicals
What LibertyCES's vendor documentation shows
The specific finding a fluoropolymer-lined equipment page should lead with: across all six refrigerants in the Flowline chart, PVDF/PFA/PTFE all rate E while 316SS drops to F — the only family in the 552-row chart where stainless is the weakest listed wetted material against an otherwise benign-looking fluid. Same pattern, less severe, on creosote and tall oil. Moderate because no vendor page in the corpus names Freon service directly; the material conclusion is from the chart and the lined products above are the corpus's matching hardware.
Materials documented for this service
- PFA lining
- PTFE
- Borosilicate glass panes to DIN 7080
- Housing EN-JS 1049
- Flowline chart, all six Freons at 40°C/104°F: PVDF E, PFA E, PTFE E — but 316SS only F (Fair)
- Flowline chart: 316SS G on creosote and tall oil at both 40°C and 80°C; F on olive oil at 80°C
Products cited for this service
Every material and product claim on this page traces to real, vendor-published documentation on file with LibertyCES. Chemical compatibility depends on exact concentration, temperature, and duty cycle — confirm current specifications with the manufacturer and request a spec review before final specification.
FAQ
Is PFA/PTFE-Lined Valve & Sight Glass compatible with Hydrocarbons/Fuels/Oils?
The specific finding a fluoropolymer-lined equipment page should lead with: across all six refrigerants in the Flowline chart, PVDF/PFA/PTFE all rate E while 316SS drops to F — the only family in the 552-row chart where stainless is the weakest listed wetted material against an otherwise benign-looking fluid. Same pattern, less severe, on creosote and tall oil. Moderate because no vendor page in the corpus names Freon service directly; the material conclusion is from the chart and the lined products above are the corpus's matching hardware. This is moderate evidence.
What materials are documented for PFA/PTFE-Lined Valve & Sight Glass in Hydrocarbons/Fuels/Oils service?
Materials documented for this service: PFA lining, PTFE, Borosilicate glass panes to DIN 7080, Housing EN-JS 1049, Flowline chart, all six Freons at 40°C/104°F: PVDF E, PFA E, PTFE E — but 316SS only F (Fair), Flowline chart: 316SS G on creosote and tall oil at both 40°C and 80°C; F on olive oil at 80°C. Chemical compatibility depends on exact concentration, temperature, and duty cycle — confirm with a spec review before final specification.
What specific Hydrocarbons/Fuels/Oils chemicals does this cover?
Named chemicals in this documentation: Freon-11, Freon-12, Freon-21, Freon-22, Freon-113, Freon-114, creosote, tall oil, olive oil (hot).
What products are cited for PFA/PTFE-Lined Valve & Sight Glass in Hydrocarbons/Fuels/Oils service?
Documented examples include Richter PSG/F and PSG/F-L sight glasses (PFA and antistatic PFA, DN25-DN150, 16 bar, -60°C to +180°C), Richter TSG/F and TSG/F-L (DN25-DN80), Richter SGS/F and SGS/F-L (DN15-DN100, 6 bar, cylindrical, cavity-free option), Richter MV/MVP PFA-lined diaphragm valve, Richter PA/F PFA-lined sampling valve (cavity-free, DN25-DN80, 16 bar, -60°C to +200°C), Richter BAV/BAVM bottom drain stem valve (thick-walled vacuum-proof PTFE lining, DN80/50-DN150/100, 10 bar).