ASTM A890 4A Butterfly Valve, 4 Inch, 300 LB, Double Offset

Key Specifications / Features

Model no. : 1862057

As a trusted fabricator of duplex stainless steel butterfly valves, we produce high-performance double-offset valves designed to meet EN 593 and API 609 standards. Our 3-inch butterfly valves are rated for 300 LB and feature a 17-4PH stem and RPTFE seat for superior durability and sealing performance. Operated by a lever, these valves ensure smooth and reliable function in demanding industrial applications. Built to deliver exceptional performance, they are an ideal solution for industries requiring both strength and long service life.

Detail Information

EN 593 High-Performance Butterfly Valve, Double Offset, RPTFE Seat, Lever Operation, Wafer End.

Valve Description

1862057 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: Lever
Body Material: ASTM A890 4A, ASTM A351 CF8M, ASTM A216 WCB, ASTM A351 CF8, ASTM A890 5A, ASTM B148 C95800, Titanium.
Seat: RPTFE, PPL
End Connection: Wafer
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
Operation: Manual (lever, gear), Pneumatic Actuator, Motor Actuator
Working Temperature: -26°C - +120°C (180°C for PPL seat)
End Connection: Wafer, Lug, Flanged


double offset butterfly valve
 

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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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