Key Specifications / Features

Model no. : 1862143

As a leading manufacturer of ASTM A890 4A butterfly valves, we produce high-quality solutions that meet API 609 Category B and EN 593 standards. Our 8-inch (DN200), Class 300 LB valves feature a double offset design for enhanced performance and reliability. Constructed with a 17-4PH stem and an RPTFE seat, these double flanged valves offer superior sealing and durability. Engineered for demanding applications, our butterfly valves provide optimal flow control and long-lasting service across various industrial environments.


Detail Information

Double Flanged Butterfly Valve, RPTFE Seated, 8 Inch/DN200, Class 300 LB, Gear Operation.

Valve Description

1862143 High-Performance Butterfly Valve 
Design Standard: API 609 Category B, EN 593
Structure: Double Offset, Double Eccentric
Body Material: ASTM A890 4A, Titanium, ASTM A351 CF8, ASTM A216 WCB, ASTM B148 C95800, ASTM A351 CF8M, ASTM A890 5A.
Nominal Size: 8 Inch, DN200
Nominal Class: Class 300 LB, PN50
Seat Type: Soft Seat
Face to Face: API 609, EN 593
Operation: Gear
Seat: RPTFE, PPL
End Connection: Double Flanged
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
Operation: Manual (lever, gear), Pneumatic Actuator, Motor Actuator
Normal Diameter: 1/2-48 Inch (DN15-DN1200)
Pressure Range: Class 150 LB - 300 LB
Working Temperature: -26°C - +120°C (180°C for PPL seat)
End Connection: Wafer, Lug, Flanged

Introduction of Double Offset Butterfly Valve

The double offset butterfly valve is commonly used in pipelines for isolation and flow regulation, particularly in applications requiring frequent opening and closing. Bosseal Valve offers key advantages, including zero leakage, low torque operation, long service life, low emissions, bi-directional flow capability, and fire-safe design.

Double Offset Butterfly Valve
 

Name*
E-mail*
Rate*
Comments*

Next: ASTM A351 CF8M Flanged Butterfly Valve, API 609, 10IN, CL300

Previous: Carbon Steel Butterfly Valve, ASTM A216 WCB, 6 IN, CL300

Similar Products

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