Premium PTFE EPDM Butterfly Valve Seal for Optimal Performance
| Material: | PTFE+EPDM | Media: | Water,Oil,Gas,Base,oil And Acid |
|---|---|---|---|
| Port Size: | DN50-DN600 | Application: | High Temperature Conditions |
| Product Name: | Wafer Type Centerline Soft Sealing Butterfly Valve,pneumatic Wafer Butterfly Valve | Connection: | Wafer,Flange Ends |
| Valve Type: | Butterfly Valve,Lug Type Double Half Shaft Butterfly Valve Without Pin | ||
| High Light: |
seat butterfly valve, ptfe seat ball valve |
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Black/ Green PTFE/ FPM +EPDM Rubber Valve Seat for Butterfly Valve Seat
PTFE + EPDM compounded rubber valve seats produced by SML are widely used in textile, power station, petrochemical, heating and refrigeration, pharmaceutical, shipbuilding, metallurgy, light industry, environmental protection and other fields.
Product performance: high temperature resistance, good acid and alkali resistance and oil resistance; with good rebound resilience, sturdy and durable without leaking.
PTFE+EPDM
The Teflon (PTFE) liner overlays EPDM which is bonded to a rigid phenolic ring on the outside seat perimeter. The PTFE extends over the seat faces and outsides flange seal diameter, completely covering the EPDM elastomer layer of the seat, which provides the resilience for sealing valve stems and the closed disc.
Temperature range: -10°C to 150°C.
Virgin PTFE (Polytetrafluoroethylene)
PTFE (Teflon) is a fluorocarbon based polymer and typically is the most chemically resistant of all plastics, while retaining excellent thermal and electrical insulation properties. PTFE also has a low coefficient of friction so it is ideal for many low torque applications.
This material is non-contaminating and accepted by the FDA for food applications. Although the mechanical properties of PTFE is low, comparing to other engineered plastics, its properties remain useful over a wide temperature range.
Temperature range: -38°C to +230°C.
Color: white
Torque adder: 0%
Heat / Cold Resistance of different rubbers
| Rubber Name | Short Name | Heat Resistance ℃ | Cold Resistance ℃ |
| Natural Rubber | NR | 100 | -50 |
| Nitrle Rubber | NBR | 120 | -20 |
| Polychloroprene | CR | 120 | -55 |
| Styrene Butadiene copolyme | SBR | 100 | -60 |
| Silicone Rubber | SI | 250 | -120 |
| Fluororubber | FKM/FPM | 250 | -20 |
| Polysulfide Rubber | PS / T | 80 | -40 |
| Vamac(Ethylene/Acrylic) | EPDM | 150 | -60 |
| Butyl Rubber | IIR | 150 | -55 |
| Polypropylene Rubber | ACM | 160 | -30 |
| Hypalon. Polyethylene | CSM | 150 | -60 |
Our PTFE EPDM Butterfly Valve Seal stands out in the realm of fluid control, designed to meet the needs of sectors ranging from textiles and power stations to petrochemicals and beyond. The unique material composition guarantees excellent chemical resistance and a long service life, making it an ideal choice for processes involving high temperatures. The valve seal is compatible with port sizes ranging from DN50 to DN600, ensuring versatility across different piping systems. Whether your application demands a wafer type centerline soft sealing butterfly valve or a pneumatic wafer butterfly valve, our product adapts seamlessly with both wafer and flange connections. At the heart of our product's superiority is its design tailored for high performance. The Wafer Type Centerline Soft Sealing Butterfly Valve, alongside the Lug Type Double Half Shaft Butterfly Valve without Pin, exemplifies engineering excellence. Not only does the valve ensure a leak-proof operation, but it also maintains its integrity in demanding environments, thanks to the robustness of PTFE and the elasticity of EPDM. These valve seats, available in black or green, uphold the highest standards in valve technology, with a keen focus on reliability, durability, and functionality. Whether you're involved in the textile industry, power generation, petrochemicals, or any field requiring precise fluid control, the PTFE + EPDM valve seal from Sansheng Fluorine Plastics provides a solution that you can trust for unmatched performance and longevity.