ASTM A351 CF8 Butterfly Valve, 6 IN, CL 150, API 609 Cat B

ASTM A351 CF8 Butterfly Valve, 6 IN, CL 150, API 609 Cat B

Key Specifications / Features

As a trusted supplier of high-performance butterfly valves, we offer valves that meet API 609 Category B standards. Made from ASTM A351 CF8 material, our 6-inch, 150 LB valves feature a double eccentric design with a 17-4PH stem, soft seat, and lug end. Designed for high-frequency operation, these valves provide a long lifespan of up to a million cycles, ensuring reliable performance in demanding industrial environments. Ideal for both isolation and control applications, our butterfly valves deliver exceptional durability and efficiency.
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Detail Information

Stainless Steel Butterfly Valve, API 609 Category B, 6 Inch/DN150, 150 LB, Gear Operation.

Valve Description

1862079 High-Performance Butterfly Valve 
Design Standard: API 609 Category B, EN 593
Structure: Double Offset, Double Eccentric
Nominal Size: 6 Inch, DN150
Nominal Class: Class 150 LB, PN20
Body Material: ASTM A351 CF8, ASTM B148 C95800, ASTM A890 4A, ASTM A351 CF8M, ASTM A216 WCB, ASTM A890 5A, Titanium.
Seat Type: Soft Seat
Face to Face: API 609, EN 593
Operation: Gear
Seat: RPTFE, PPL
End Connection: Lug
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  - 48 Inch (DN15 - DN1200)
Pressure Range: 150  - 300 LB
Operation: Manual (lever, gear), Pneumatic Actuator, Motor Actuator
Working Temperature: -26°C - +120°C (180°C for PPL seat)
End Connection: Wafer, Lug, Flanged

Different End Connections Available

Different End Connections Available

Dead End Service

For valves installed at the end of a pipe with no connection on one side, special designs with threaded holes and bi-directional sealing are required.

Easy Maintenance

The seat is replaceable and can be easily removed by loosening the seat retainer with specialized tools.

Fire-Safe Seat

Features dual seals for fire safety: a primary soft PTFE seat and a secondary metal seat. If the soft seat fails during a fire, the metal seat ensures effective shut-off.

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