ASTM A890 4A Lug Butterfly Valve, RPTFE Seat, 4 IN, CL 300
Model Number: 1862078
Key Specifications / Features
As a manufacturer of RPTFE seated butterfly valves, we produce high-performance valves designed to EN 593 and API 609 Category B standards. Made from ASTM A890 4A material, our double-offset valves come in a 4-inch size with a 300 LB pressure rating, ensuring durability and reliability. Featuring a 17-4PH stainless steel stem and RPTFE seat, these valves provide excellent sealing and corrosion resistance. With a lug end connection and lever operation for ease of use, they are ideal for demanding industrial applications requiring long-lasting performance and precise control.
Detail Information
High-Performance Butterfly Valve, 4 Inch/DN100, 300 LB, Soft Seat, Lug End, Lever Operation.
Design Standard: EN 593, API 609 Category B
Structure: Double Offset, Double Eccentric
Nominal Size: 4 Inch, DN100
Nominal Class: Class 300 LB, PN50
Seat Type: Soft Seat
Operation: Lever
Body Material: ASTM A890 4A, ASTM B148 C95800, ASTM A890 5A, ASTM A351 CF8M, ASTM A216 WCB, ASTM A351 CF8, 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
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.
Normal Diameter: 1/2 Inch - 48 Inch (DN15 - DN1200)
Pressure Range: Class 150 LB - 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
Valve Description
1862078 High-Performance Butterfly ValveDesign Standard: EN 593, API 609 Category B
Structure: Double Offset, Double Eccentric
Nominal Size: 4 Inch, DN100
Nominal Class: Class 300 LB, PN50
Seat Type: Soft Seat
Operation: Lever
Body Material: ASTM A890 4A, ASTM B148 C95800, ASTM A890 5A, ASTM A351 CF8M, ASTM A216 WCB, ASTM A351 CF8, 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, TitaniumNormal Diameter: 1/2 Inch - 48 Inch (DN15 - DN1200)
Pressure Range: Class 150 LB - 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
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.Supplier Information
Bosseal Valves (Suzhou) Co., Ltd.
Verified Supplier
Suzhou, Jiangsu, China
Est. 2013
Certifications:
API 6D
API 6A
API 600
API 602
API 599
API 609
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