PTFE Lined Butterfly Valve
PTFE Lined Butterfly Valve
Area of application & medium
Highly corrosive chemical medium and toxic medium; Equipment purification industry; Pharmaceutical Industry;
Adhesives, paper-making and fuel transportation industries; Food Industry; Paint production and processing industry;
Dangerous goods transportation industry; Moist chlorine, mining industry; Fuel transportation and storage.
Medium: Fresh water, waste water, sewage, seawater, air, vapor, food, oils, medicine, Alkali, salt and other systems
Data sheet of Fluorine lined butterfly valve:
| Type: | Wafer, Lug, Double flange |
|---|---|
| Size & Connections: | DN50 to D1000 |
| Medium: | Water, sewage, food, Oil, Steam, alkali, salt |
| Materials: |
Cast Iron / Ductile Iron/ Carbon Steel / Stainless steel / Alu Bronze |
| Pressure Rating: | PN10, PN16, 125lb, 150lb |
| Temperature: | -40°C to 200°C |
| Seat/Lining: |
Replaceable Liner/lining PTFE /PFA /TFM /UHMWPE |
| Certificates & Approvals: |
DNV-GL, Lloyds, DNV, ABS, BV Type Approval 3.1 & 3.2 Cert (on request) |
Standards
- Design and Manufacture Conform to API 609 /EN593 /BS5155 /MSS SP-67
-
Flange Accommodation:
ASME B 16.1 125LB /150LB
BS4504 /DIN2501 /IS07005 /EN1092 PN10/16
- Top Flange: ISO 5211(or as per required.)
- Face to Face dimensions Conform to API609 /EN558-1 /DIN3202 /ISO575
- Testing Conform to API598 /ISO5208 /EN12266-1
Material of Parts
| Body | CI/DI/CF8/CF8M |
|---|---|
| Lower shaft | SS410/420/431 |
| Seat /Liner | PTFE /PFA |
| Butterfly spring | Spring steel |
| Disc | CF3M/CF8M+PTFE |
| Upper shaft | SS304 /316 /410 |
| Seat energizer | Silicone |
| Bushing | PTFE /PFA |
| Bolt | SS304 /316 |
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