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| 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 FDA Approved PTFE, UHMPE |
| Seat Back-ups: | FDA Grade FKM (Viton®), Silicone, EPDM |
| Operating Temperature: | –40°C to 200°C (–40°F to 395°F) |
Description
ChemValve Metal Body Fluoropolymer Lined Butterfly ValvesType 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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Actuation
For Pnuematic or Electric Actuation options please 
