Noise Reduction Control Valve, Pneumatic, DN80, PN25, WCB

SPECIFICATIONS
Product Name: Pneumatic Pressure Balanced Cage Noise Reduction Control Valve
Sizes: 3/4 Inch - 16 Inch, DN20-DN400
Pressure Rating: 
ANSI Class 125 LB, 150 LB, 300 LB, 600 LB
JIS 10K, 16K, 20K, 30K, 40K
PN16, PN40, PN64, PN100
Materials: ASTM A216 WCB, WC6, ASTM A351 CF8, CF8M, CF3M, CF3, ASTM A352 LCB
Valve action: 
FO: Air to close(Direct action actuator is combined.)
FC: Air to open(Reverse action actuator is combined.)
Flow characteristics: Equal percentage, Linear
Linearity:
Without positioner: Within ±5% F.S.
With positioner: Within ±1% F.S.
Inherent rangeability: 50:1 (Optional 75:1 for full port size)
Leakage: Metal Seat, Soft Seat
End connection: 
Flanged End: Flat Face (FF), Raised Face (RF), Ring Joint (RJ), Large Groove (LG)
Welded End: Socket Weld (SW), Butt Weld (BW)
Threaded End: Threaded, RC, NPT
Temperature Range: -196 to +450°C
Bonnet:
Plain bonnet (-17 to 230°C)
Extension bonnet Type1(-45 to -17°C and 230 to 566°C)
Extension bonnet Type 2 Cryogenic
Integral cast type (-100 to -45°C)
Welded type (-196 to -100°C)
Ambient temperature:  -20 to 70°C