Bellows Bonnet Globe Control Valve, A351 CF8, 3/4-16 Inch

Name: Bellows Bonnet Globe Control Valve, A351 CF8, 3/4-16 Inch
Availability: InStock
Rating: 5 (1 reviews)

Key Specifications / Features

As a leading fabricator of bellow-sealed bonnet pneumatic globe control valves, we specialize in creating three-way valves that offer superior sealing and control. Our valves are meticulously crafted from premium materials such as ASTM A351 CF8, CF8M, CF3, and CF3M, ensuring exceptional durability and resistance to corrosion. Available in sizes from 3/4 to 16 inches and designed to handle pressure classes from 150 to 600 LB, these valves provide reliable performance across a range of applications.

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Detail Information

Body Type
Bellows Bonnet 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/T79.1, JB/T79.2
• Welded End: SW, BW

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

Bonnet
• Plain bonnet (-17 to 230°C)
• Extension bonnet(-60 to -29 ℃ or over 230°C)
• Bellows Seal

Gland Type
Bolted Gland

Packing
V shaped PTFE, PTFE, Flexible graphite

Gasket Material
Stainless Steel(SUS 304, SUS 316, SUS 316L), Copper, Aluminum

Valve plug
Three-way, V-port with linear characteristics

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, 0.25, 0.28, 0.4, 0.5 Mpa

Air connection
Rc1/4 or 1/4 Inch internal thread

Ambient temperature
-30 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

Flow characteristics
• Linear

Leakage
• Metal Seat
According to IEC 60534-4:2006 Class IV, leakage is less than 0.01% of maximum valve capacity.

Inherent rangeability
• 30:1

Hysteresis error
• Without positioner: Within 3% F.S.
• With positioner: Within 1% F.S.

Linearity
Without positioner: Within ±5% F.S.
With positioner: Within ±1% F.S.