Excellent Valves for Isolation & Control


CV5500 Pressure Reducing Valve

CV5500 Pressure Reducing Valve

Valve Type:                                                 Self operated pressure reducing valve


Valve Nominal Size:                                  DN15 through DN50; 0.5 inch through 2 inch


Pressure Rating:                                         PN16, 40, 63, 100; ANSI Class 150, 300, 600


Regulating Type:                                        Flanged pressure reducing valve


Pressure Registration:                              External or flange of body


Flow Characteristic:                                  Linear or equal percentage EQ% (special processing)


Rangeability:                                              20:1


Temperature Range:                                Soft sealing and diaphragm actuator: NBR from -29 to 82 °C;

                  FKM from -8 to 120 °C; SR from -48 to 85 °C; EPDM from -38 to 115 °C


Seat Leakage:                                             Hard sealing <0.003* rated Cv; Optional soft sealing ANSI VI


Actuator:                                                     Diaphragm actuator

Description & Features


CV5500 self-operated regulator is a spring-loaded, direct-acting pressure reducing valve. It’s designed to stabilize constant downstream pressure. Suitable for various low corrosive gases and low viscosity liquids. Pressure proportional control range: from 1.3KPa to 3600KPa, the operating temperature down to -48°C and up to 120 °C.


Compact structure: pressure regulators integrated with springs, high protective performance.


No packing: no friction for expected high sensitivity especially under micro pressure regulating, and eliminating potential leak points.


Amplifying thrust force: the lever style regulator amplifying the thrust force which diaphragm offering high to 3 times, then regulators have excellent regulating performance and more suitable to differential pressure application. Lever style actuator can shuts off the valve and holding pressure while outlet flow of regulator is reduced to zero value.  


Overload safety: regulators are protected completely while overload pressure is (several to several dozens of times) far higher than the upper limit value of pressure regulating range, and even overload pressure up to the pressure rating of the valve by specific requirement.


Easy installation: the 360 degree rotation of the actuator is easy to install especially in tight spaces.


Tight shut-off: high sealing performance by single seated plug, and the holding pressure of pipe by soft sealing done.


Stainless steel actuator: ensure high pressure strength and long service life.


Easy pressure regulating: regulating pressure is easy, quick and convenient by screw style.


With pressure gauge: installed pressure gauge is normal and standard.


Easy maintenance: top-entry and bonnet centering alignment design reduces maintenance time and manpower requirements; trim parts can be inspected, cleaned and replaced without removing the main valve body from the pipeline.


Universal parts: the parts of whole series self-acting regulators are in common, less need of spare parts.


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