Soft Seated Butterfly Valve, CF8M Disc, 26 IN, CL300, EN 593

API 609 Cat B Butterfly Valves, Double Offset, 26 Inch/DN650, Soft Seat, Gear Operation.

Valve Description

1862151 High-Performance Butterfly Valve 
Design Standard: EN 593, API 609 Category B
Nominal Size: 26 Inch, DN650
Nominal Class: Class 300 LB, PN50
Seat Type: Soft Seat
Operation: Gear
Structure: Double Offset, Double Eccentric
Body Material: ASTM A351 CF8M, ASTM B148 C95800, Titanium, ASTM A890 5A, ASTM A890 4A, ASTM A216 WCB, ASTM A351 CF8.
Seat: RPTFE, PPL
End Connection: Double Flanged
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
End Connection: Wafer, Lug, Flanged(FF, RF, RTJ)
Working Temperature: -26°C to +120°C (180°C for PPL seat)
Operation: Manual (lever, gear), Pneumatic Actuator, Motor Actuator
Operation Types: Lever, gear, and pneumatic actuator options.
Bosseal Valve Advantages: Zero leakage, low torque, extended service life, low emissions, bi-directional flow, and fire-safe design.
Top Mounting: ​ ISO 5211 compliant top mounting available.


ISO 5211 Top Mounting
ISO 5211 Top Mounting

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Bosseal Valves (Suzhou) Co., Ltd.


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