API 609 Butterfly Valve, CL 150, 20 IN, ASTM A351 CF8, EN 593

Mar 02, 2025

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API 609 Category B Butterfly Valve, Flanged End, 20 Inch/DN500, 150 LB, Double Eccentric.

Valve Description

1862380 High-Performance Butterfly Valve
Design Standard:	API 609 Category B, EN 593
Nominal Size:	20 Inch, DN500
Nominal Class:	Class 150 LB, PN16
Structure:	Double Offset, Double Eccentric
Body Material:	ASTM A351 CF8, ASTM A890 4A, Titanium, ASTM A351 CF8M, ASTM A216 WCB, ASTM B148 C95800, ASTM A890 5A.
Seat Type:	Soft Seat
Face to Face:	API 609, EN 593
Seat:	RPTFE, PPL
End Connection:	Double Flanged
Operation:	Gear
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 IN - 48 IN (DN15 - DN1200)
Pressure Range: CL 150 - 300 LB
Operation: Manual (lever, gear), Pneumatic Actuator, Motor Actuator
Working Temperature: -26°C - +120°C (180°C for PPL seat)
End Connection: Wafer, Lug, Flanged(FF, RF, RTJ)
Bosseal Valve advantages: 0 Leakage, low Torque, Long working life, Low Emission, Bi-direction and Fire Safe Design.

Overview of Double Eccentric Butterfly Valve

The double eccentric butterfly valve stands out for its cost and space efficiency, offering a broader size range compared to other valve types. Its design ensures faster operation with minimal wear between the disc and seat, leading to a longer service life and reduced total cost of ownership. With two offsets, the valve provides enhanced durability, lower torque, and is ideal for frequent use. Bosseal’s high-performance butterfly valves have passed a million-cycle test, ensuring reliable, long-lasting performance in even the most demanding applications.