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Pneumatic Single Seat Control Valve


CEPAI Pneumatic single seat control valve is a top entry globe type
control valve, which is manufactured under ISO 9001 quality
assurance system. The body channel is streamlined by S shape
with low pressure loss, high capacity, wide regulating range, and
high accuracy in flow characteristics. The plug features with
guiding area and good vibration resistance. The control valve is
equipped with mult-spring diaphragm 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
· Reduced trim can be chosen to provide wide capabilities for site applications
· Bellows seal for special medium
· 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: Single seated, 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 Single Seat Control Valve.PDF

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