Key Specifications / Features

Model no. : 1862351

As a leading supplier of double-offset butterfly valves in China, we offer high-performance valves featuring soft RPTFE seats. Built to API 609 Category B standards, these 4-inch (DN100) valves have a robust ASTM A216 WCB carbon steel body and are rated for 300 LB. The corrosion-resistant Monel K500 stem ensures long-lasting durability in challenging environments. Designed for smooth operation and tight sealing, these valves provide reliable performance in both isolation and flow regulation applications. Ideal for industries requiring high efficiency and dependable service.


Detail Information

API 609 Cat B Double Offset Butterfly Valves, 4 Inch/DN100, Soft Seated, Lever Operation.

Valve Description

 Double offset butterfly valves are extensively used in pipeline systems for isolation and regulation, particularly in applications requiring frequent opening and closing. The Bosseal valve offers numerous advantages, including zero leakage, low torque operation, and an extended working life, ensuring reliable performance over millions of cycles. Additionally, the valve provides low emissions and bi-directional sealing, enhancing operational efficiency. With a fire-safe design, Bosseal valves deliver superior safety and reliability, making them an ideal choice for demanding industrial environments.
 
1862351 High-Performance Butterfly Valve
Design Standard: EN 593, API 609 Category B
Nominal Size: 4 Inch, DN100
Nominal Class: 300 LBS, PN50
Seat Type: Soft Seat
Operation: Lever
Structure: Double Offset, Double Eccentric
Body Material: ASTM A216 WCB, ASTM A351 CF8, ASTM A890 4A, Titanium, ASTM A351 CF8M, ASTM B148 C95800, ASTM A890 5A.
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: Long working life for frequent operation (million cyclings), Lower torque, Replaceable seat, Tight sealing, Excellent control characteristics, Bi-direction sealing under full pressure, fire safe seat 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
Working Temperature: -26°C to +120°C (180°C for PPL seat)
End Connection: Wafer, Lug, Flanged(FF, RF, RTJ)
Operation: Manual (lever, gear), Pneumatic Actuator, Motor Actuator
Bosseal Valve advantages: 0 Leakage, low Torque, Long working life, Low Emission, Bi-direction, and Fire safety.


 

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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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Building 2, NO.59, Songshan Road, SND, Suzhou, China