Butterfly Valves PFA-PTFE Lined Oil/ Dust Free

Size: 2” – 96” DN50-DN24000
Pressure: Class 150, PN16
Body Material: ASTM A216 WCB, A351 CF8/CF8M
Seat: PTFE PFA FEP
Disc Material: CS+PFA or SS+PFA (FEP material also is available)
End Connection Standards: GB/T, JIS, DIN, API all are available

Technical Specification

• Basic Design: API 609
• Wafer End: ASME B16.5, Class 150, RF
• Face to face: ASME B16.10
• Inspection and Testing: API 598
Product Description:

1. ISO 5211 Mounting Pad for Easy & Quick actuator installation
2.  Positioning holes keep valve in the center between pipe flanges and also applied to many international standards.
3. Three different sealing ensure PFA lined butterfly valve in high performance.
4. Three self-lubricating bushing could keep stem not be deformed under pressing.
5. When two back-up Belleville springs under pressing, it will makes sealing among body seat, tapered seal ring and disc edge more tightness
6. Epoxy coating with baked finishing before valve assembly, keep inner body can’t be rusted.

Media temperature: -20℃ to 200℃
Available body material: Carbon steel, Stainless steel, Cast iron, Ductile iron
Available design standard: JIS B2032, DIN EN1092
More details click below catalogue to know