Product
PTFE Lined Wafer Butterfly Valve
Specification
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 |
NR | ≤85℃ | Water, air, acids and alkalis |
CR | ≤85℃ | Water, gas, acids and alkalis |
NBR | ≤100℃ | Water, oil |
EPDM | ≤120℃ | Water, steam, general acids and alkalis |
Features:
- Small and light weight, can be installed in any position and easy to disassemble and repair.
- The structure is simple and compact, with a 90 ° rotation for quick opening and closing.
- Excellent wear reduction, self-lubrication, and reduced operating torque by over 40% compared to ordinary butterfly valves.
- It is non-toxic, odorless, and antibacterial, which meet the requirements of green environmental protection.
- Resistant to salt, alkali, and weak acid corrosion, with wide applicability.
- Pinless connection ensures complete isolation and high reliability between the medium and the metal.