PTFE Lined Butterfly Valve

Product Features

1. Double-sided sealing

2. Double seal design with protection against external leaks

3. Service life ≥ 5000 cycles

4. Corrosion resistance

5. Full-flow design

6. Low torque

7. Lightweight

8. Fast opening/closing

9. No dead zones for the medium

Product Parameters

♦ Standards: API 609, API 6D, GB/T 12238, GB/T 26144, HG 3704

♦ Nominal pressure: 150LB, PN10, PN16

♦ Size range: DN50-DN1200 (2“-48”)

♦ Body material: WCB, spheroidal graphite cast iron, stainless steel

♦ Lining materials: PTFE, PFA, FEP, PVDF, PO, ETFE, UPE

♦ Temperature range: -29°C ~ +180°C (depending on construction materials and pressure drop)

♦ Working media: Corrosive liquids and gases (H₂SO₄, HCl, HNO₃, etc.)

♦ Connection types:

♦ Flanged (ASME B16.5, GB9113, EN1092)

♦ Wafer

♦ With mounting lugs

♦ Actuators: cam

♦ Actuators: Manual, worm gear, electric, pneumatic