Diverting Globe Control Valve, ASTM A351 CF8M, 3/4-16 Inch

Body Type
Diverting Type 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

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.