Diaphragm Pneumatic Control Valves, A352 LCB, 2 Inch, 300 LB

Name: Diaphragm Pneumatic Control Valves, A352 LCB, 2 Inch, 300 LB
Availability: InStock
Rating: 5 (1 reviews)

Key Specifications / Features

We are a leading manufacturer in China, specializing in 2-inch (DN50) diaphragm pneumatic control valves. Our straight-through valves, made from durable ASTM A352 LCB material, are designed for Class 300 LB (PN25) applications. Available with flanged, welded, or threaded ends, these valves provide versatile and reliable flow control solutions for various industrial processes.

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Detail Information

Body Type
Single-Seat Globe Control Valve

Nominal Size
3/4 Inch, 1 Inch, 1-1/4 Inch, 1-1/2 Inch, 2 Inch, 2-1/2 Inch, 3 Inch, 4 Inch, 5 Inch, 6 Inch, 8 Inch, 10 Inch, 12 Inch, 14 Inch, 16 Inch

Pressure Rating
• ANSI Class 125, 150, 300, 600 LB
• JIS 10K, 16K, 20K, 30K, 40K
• PN1.6, 4.0, 6.4, 10.0 Mpa

End Connection
• Flanged End: FF, RF, RJ, LG
According to ANSI B16.5, JIS B2201, JB/T 79.1, JB/T 79.2
• Welded End: SW, BW
• Threaded End: Threaded, RC, NPT

Material
ASTM A216 WCB, ASTM A217 WC6, ASTM A352 LCB, ASTM A351 CF8, ASTM A351 CF8M, ASTM A351 CF3M, ASTM A351 CF3

Bonnet Type
• Plain bonnet (-17 to 230°C)
• Extension bonnet (-45 to -17°C and 230 to 566°C)
• Extension bonnet Cryogenic
Integral cast type (-100 to -45°C)
Welded type (-196 to -100°C)
• Bellows type

Actuator type
Single-acting diaphragm actuator, Spring type piston actuator, Double acting piston actuator

Diaphragm material
Cloth embedded nylon and ethylene propylene rubber

Spring Range
• 20 to 100 kPa(0.2 to 1.0 kgf/cm2)
• 40 to 200 kPa(0.4 to 2.0 kgf/cm2)
• 80 to 240 kPa(0.8 to 2.4 kgf/cm2)

Supply Pressure
0.14, 0.16, 0.28, 0.4, 0.5 Mpa

Air Connection
Rc1/4 or 1/4 NPT internal thread

Ambient Temperature
-20 to 70℃

Valve Action
• FO: Air to close(Direct action actuator is combined.)
• FC: Air to open(Reverse action actuator is combined.)

Optional Accessories
• P/P or I/P Positioner
• Air filter regulator
• Top-mounted or Side-mounted Handwheel
• Limit switch
• Solenoid valve
• Motion transmitter
• Booster relay
• Lock-up valve
• Air lock relay
• Others