Key Specifications / Features

Model no. : 1862181

We specialize in manufacturing double-offset butterfly valves built to API 609 Category B standards. Our 2-1/2 inch, Class 300 LB (PN50) valves feature a durable titanium body, 17-4PH stem, and RPTFE soft seat for superior sealing and corrosion resistance. Designed with wafer ends for easy installation, these valves are ideal for isolation and flow regulation in pipelines, particularly in applications requiring frequent open/close cycles. Offering high performance and reliability, our butterfly valves ensure smooth operation and long-lasting durability in demanding environments.


Detail Information

Soft Seated Butterfly Valves, API 609 Category B, Titanium, 2-1/2 Inch/DN65, Lever Operation.

Valve Description

1862181 High-Performance Butterfly Valve 
Design Standard: EN 593, API 609 Category B
Nominal Size: 2-1/2 Inch, DN65
Nominal Class: Class 300 LB, PN50
Seat Type: Soft Seat
Operation: Lever
Seat: RPTFE, PPL
End Connection: Wafer
Body Material: Titanium, ASTM A216 WCB, ASTM A890 5A, ASTM A890 4A, ASTM A351 CF8M, ASTM A351 CF8, ASTM B148 C95800.
Face to Face: API 609, EN 593
Structure: Double Offset, Double Eccentric
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
 

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