ChemValve Metal Body Fluoropolymer Lined Butterfly Valves

Series: CST
Body Styles: Wafer, and Lug
Sizes: 1-1/2″- 42″
Body Material: Epoxy-coated Ductile Iron
Disc Material: PFA Covered 316 SS, Conductive PFA
Stainless Steel, Polished Stainless Steel
Titanium Grade 2, Hastelloy C22
Seat and Shaft Seal: PFA covered 316 SS, PTFE
Seat Back-ups: FDA Grade FKM (Viton®), Silicone, EPDM
Operating Temperature: –40°C to 200°C (–40°F to 395°F)


ChemValve Metal Body Fluoropolymer Lined Butterfly Valves

Type CST fluoropolymer lined butterfly valves are manufactured by ChemValve-Schmid AG in Switzerland. They feature a fluoropolymer disc covering and seat materials with properties superior to those of standard PTFE. This along with a proven effective stem seal provides these valves with superior performance vs. conventional PTFE lined valves.

✓ Easily Serviceable
The “split” body can be disassembled and the seat (liner) or disc/shaft part replaced.
✓ Low Cold Flow
More durable and stable when under stress
✓ Smoother Surface
Higher abrasion resistance
✓ Zero Leakage rated
For sizes up to 24” at 150 psi up to 105°C (220°F)


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