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Pneumatic Low Noise Control Valve


CEPAI Pneumatic low noise control valve is a top entry globe type
control valve, which is manufactured under ISO 9001 quality
assurance system. The valve is mainly designed to reduce the
noise with compressible value. There are many small balanced
holes of gas throttle. The body channel is streamlined by S shape
with guiding vane which is used to improve the stable flowing of
liquid around cage, high capacity. The plug features with guiding
area and good vibration resistance. The control valve is equipped
with electric actuator and compact in structure as well as big in
output force. This valve is designed to control a broad variety of
fluids, like steam, water, most of the medium and gases.

Design Features
· Pneumatic diaphragm actuator for wide application
· Balanced trims are suitable for high pressure drop and shutoff 
· Hardened trims to handle high pressure drop applications
· Low nose caged guided design to reduce the noise
· Reduced trim can be chosen to provide wide capabilities for site applications 
· Extended bonnet for low temperature 
· Finned bonnet for high temperature 
· Higher maximum valve flow coefficients 
· Bigger body volume to reduce cavitations

Technical specifications
Body type: Low noise cage, globe control valve type
Size: DN15~DN250 (3/4" to 10")
Pressure Class: PN16,PN40,PN64
  ANSI 150,ANSI300,ANSI600
Characteristics: Equal Percentage, Linear, quick open
Body Materials: ZG230~450, ZG1Cr18Ni9, WCB, LCB, CF8M,
Trim materials: 304, 316, 304L, 316L
Temp range: -196°C to +566°C
Connection: Flanged, Socket welding, Butt welding
Gland packing: PTFE, Braided PTFE, Grafoil
Leakage: Class IV (Metal seat, standard), Class V,
  Class VI (Soft seat, zero leakage)
Actuator: Pneumatic diaphragm actuator, Piston
Positioner: High Performance Smart positioner (Explosive
  proof and HART Protocol are available)

Pneumatic Low Noise Control Valve.PDF

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