Double Eccentric High-Performance
Butterfly Valve, 18 Inch/DN450, 150 LB, RPTFE Seat, Lug Ends.
Valve Description
1862085 High-Performance Butterfly Valve
Design Standard: EN 593, API 609 Category B
Structure: Double Offset, Double Eccentric
Nominal Size: 18 Inch, DN450
Nominal Class: Class 150 LB, PN20
Seat Type: Soft Seat
Operation: Gear
Body Material: ASTM B148 C95800, ASTM A890 5A, ASTM A216 WCB, ASTM A351 CF8, ASTM A351 CF8M, ASTM A890 4A, Titanium.
Seat: RPTFE, PPL
End Connection: Lug
Face to Face: API 609, EN 593
Test and Inspection: API 598, API 609
Trim Material: ASTM A351 CF8, ASTM A351 CF8M, ASTM A890 4A, ASTM A890 5A, ASTM B148 C95800, Titanium.
Key Features
1. Long lifespan for high-frequency operation (up to a million cycles).
2. Reduced torque for smoother operation.
3. Replaceable seat for easy maintenance.
4. Reliable tight sealing performance.
5. Superior control characteristics.
6. Bi-directional sealing under full pressure.
7. Fire-safe seat option available.
Product Range
Body Material: Carbon Steel, Stainless Steel, Duplex Steel, Aluminum Bronze, Titanium
Normal Diameter: 1/2 Inch - 48 Inch (DN15 - DN1200)
Pressure Range: Class 150 LB - 300 LB
End Connection: Wafer, Lug, Flanged
Working Temperature: -26°C - +120°C (180°C for PPL seat)
Operation: Manual (lever, gear), Pneumatic Actuator, Motor Actuator
Different End Connections Available
Dead End Service
When the valves need to be installed at end of the pipe and one side no connection with ant pipe/flange, the valve need special design like threaded holes and bi-direction sealing.
Easy Maintenance
The seat is replaceable and can be easily disassembled by loosing the seat retainer with special tools.
Fire Safe Seat
Fire safe with dual seal including primary soft PTFE seat and secondary metal seat, in event of fire the soft seat is destroyed the metal seat will provide effective shut-off.
