API 609 B Stainless Steel Butterfly Valve, CL300, 16IN, CF8

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API 609 B Stainless Steel Butterfly Valve, CL300, 16IN, CF8

Key Specifications / Features

Model No. : 1862273
As China's leading double offset butterfly valve manufacturer, we produce high-performance valves designed to meet API 609 Category B and EN 593 standards. Our 16-inch, Class 300 LB valves feature a durable ASTM A351 CF8 body with a 17-4PH stem and flanged ends. The double eccentric design ensures tight sealing, low torque, and excellent control characteristics, with bi-directional sealing under full pressure. Built for frequent operation, these valves offer a long working life, replaceable seats, and fire-safe seat options, making them ideal for demanding industrial applications.

Detail Information

RPTFE Seated Butterfly Valve, Double Offset, 16 Inch/DN400, Class 150 LB, Gear Operation.

Valve Description

1862273 High-Performance Butterfly Valve 
Design Standard: API 609 Category B, EN 593
Structure: Double Offset, Double Eccentric
Body Material: ASTM A351 CF8, ASTM B148 C95800, Titanium, ASTM A890 5A, ASTM A351 CF8M, ASTM A216 WCB, ASTM A890 4A.
Nominal Size: 16 Inch, DN400
Nominal Class: Class 300 LB, PN50
Seat Type: Soft Seat
Test and Inspection: API 598, API 609
Trim Material: ASTM A890 5A, ASTM A351 CF8M, ASTM A890 4A, ASTM A351 CF8, ASTM B148 C95800, Titanium
Face to Face: API 609, EN 593
Operation: Gear
Seat: RPTFE, PPL
End Connection: Double Flanged
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 Inches (DN15 - DN1200)
Pressure Range: Class 150 - 300 LBS
Working Temperature: -26°C - +120°C (180°C for PPL seat)
End Connection: Wafer, Lug, Flanged(FF, RF, RTJ)
Seat Type: PTFE, RPTFE, PPL(for higher temperature), RPTF


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Founded in 2013, Bosseal is a professional industrial valve manufacturer based in Suzhou, China. We specialize in the design and production of Ball Valves, Gate Valves, Globe Valves, Check Valves, Butterfly Valves, Plug Valves, and Piping Strainers. All our products are manufactured in strict compliance with international standards, including API, ASME, ISO, DIN, BS, and EN. With a strong focus on quality control and engineering capability, we are committed to providing reliable and high-performance valve solutions for global industrial applications.

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