ASTM A890 5A Butterfly Valves, EN 593, 4 Inch, CL 300 LB

Key Specifications / Features

Model no. : 1862141

We manufacture high-quality double-offset butterfly valves built to meet API 609 Category B standards. Our 4-inch (DN100), Class 300 LB (PN50) valves feature a double-flanged design for secure installation and enhanced performance. Equipped with a 17-4PH stem and an RPTFE soft seat, these valves ensure reliable sealing and long-term durability in demanding industrial environments. Engineered for precision and efficiency, our double offset butterfly valves provide superior flow control across a variety of applications. As a leading butterfly valve manufacturer in China, we are committed to delivering exceptional products worldwide.

Detail Information

Soft Seated Butterfly Valves, API 609 Category B, ASTM A890 5A, 4 Inch/DN100, Double Flanged, lever Operation.

Valve Description

1862141 High-Performance Butterfly Valve 
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: Gear
Seat: RPTFE, PPL
End Connection: Double Flanged
Body Material: ASTM A890 5A, Titanium, ASTM A216 WCB, ASTM A890 4A, ASTM A351 CF8M, ASTM A351 CF8, ASTM B148 C95800.
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 150-300 LB
Working Temperature: -26°C to +120°C (180°C for PPL seat)
End Connection: Wafer, Lug, Flanged
Operation: Manual (lever, gear), Pneumatic Actuator, Motor Actuator
Operation Types: Lever, gear, and pneumatic actuator options available.
Bosseal Valve advantages: Zero leakage, low torque, extended service life, low emissions, bi-directional flow, and fire-safe design.


 

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About Us
Founded in 2013, Bosseal Valve is a professional valve manufacturing company in Suzhou, China. We mainly supply Industrial Ball Valves, Gate Valves, Globe Valves, Check Valves, Butterfly Valves, Plug VaIves, and Strainers designed and manufactured according to API, ASME, ISO, DIN, BS, EN standards.
 
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