PTFE Lined Wafer Butterfly Valve


Size: NPS 1 1/2”-48“
Pressure: 150LB
Body Materials: Cast iron/Cast steel/Stainless steel
Seat Materials: PTFE
Disc Materials: WCB+PTFE
Face To Face: API 609, MSS SP-67, DIN3202, BS EN558-1
Pressure Test: API 598
Flange Drilling: ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16
Top Flange: ISO5211
Applicable medium: Water, weak acid and alkali, air, steam, oil, etc.
Design: API 609, MSS SP-67

Rubber lined butterfly Valve seal selection:

Seal material

Applicable temperature

Applicable media



Water, air, acids and alkalis



Water, gas, acids and alkalis



Water, oil



Water, steam, general acids and alkalis


  1. Small and light weight, can be installed in any position and easy to disassemble and repair.
  2. The structure is simple and compact, with a 90 ° rotation for quick opening and closing.
  3. Excellent wear reduction, self-lubrication, and reduced operating torque by over 40% compared to ordinary butterfly valves.
  4. It is non-toxic, odorless, and antibacterial, which meet the requirements of green environmental protection.
  5. Resistant to salt, alkali, and weak acid corrosion, with wide applicability.
  6. Pinless connection ensures complete isolation and high reliability between the medium and the metal.