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Hebei Xukang Meter Manufacturing Co., Ltd.

Control Valve, Self-Operated Regulators, Pressure Control Valve manufacturer / supplier in China, offering Self-Operated Pressure Control Valve, Wb-Type Flow Meter with Regulator Valve, Without The Mediation, Coriolis Mass Flow Sensor Measure Fluid &Gas Mass Flow Directly-Fluid Flow Measurement-Mass Meters-Mass Flow Transmitter and so on.

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Supplier Homepage Product valves control valve Self-Operated Pressure Control Valve

Self-Operated Pressure Control Valve

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 2000 PCS/Month
Transport Package: Wooden Cases or Carton
Payment Terms: L/C, T/T, D/P, Paypal

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Basic Info
  • Model NO.: ZZYVP
  • Control Type: Self-Operated Control Valve
  • Application: Tank, Pipe, Vessels
  • Switch: on-off
  • Trademark: Tianjin U-ideal Instrument
  • Origin: Tianjin, China
  • Type: Self-Operated
  • Function: Pressure Relief Valve
  • Medium: Air Vent
  • Valve Type: Pressure / Vacuum Relief Valves
  • Specification: CE, SGS, ISO
  • HS Code: 848140000
Product Description
Self-operated/regulating Pressure Control Valve

U-ideal self-operated actuators provide control for a wide variety of pressure regulation applications.Coupled with an easy control valve, these actuators can be either self-operated (using process pressure as a signal), or remote-operated.Typical industrial applications include pressure control of water, steam, oil, gas, and other fluids.

You Can Buy Various High Quality Self-operated Control Valve Products from Global Self-operated Control Valve Suppliers

ZZYVP Series of Self-operated Pressure Control Valve With Pilot,there is no need for any external power source,only used fluid own energy to adjusted the valve opening automatically,The valve uses the regulating mechanism which has quick open flow characteristic of balanced single-seat valve,without packing and frictionless movable components internal, it makes fluid pressure stable, high precision adjusting, which could control micro pressure conditions and make sure safe and reliable sealing performance, arbitrary adjust of set value could be also achieved during operation.So it is widely used for the micro pressure automatic regulation sites of all kinds of fuel, half-finished petroleum of the industrial furnace burning system,oil tank stocking protective gas and heat treatment protective gas etc.

Self-operating regulating valve:


Self-operated pressure control valve is composed of body assembly, actuator, positioning spring ,stainless steel bellows, external pressure tap and all that.The valve doesn't requires any auxiliary energy from external supply sources, by use of medium itself pressure as motive power, it can automatically control and stabilize the medium pressure.
It may be suitable for steam, non-corrosive gas , liquid and steam in various process systems.

Type :Cast globe valve

Actuator
Type :Multi-spring diaphragm or cylinder piston

Performance
Control Type:Pressure relief type (K), pressure regulator type (B)
Pressure Control Precision :±3%.
WorkingTemp:-10~350ºC

Principle of operation
1.Pressure regulator type
The process medium flows through the valve in indicated direction.The position of the valve plug determines the flow rate between the free area formed by plug and seat.The downstream pressure to be controlled is transmitted via pressure tap to the operating diaphragm where it is converted into a positioning force.This force adjusts the valve plug as a function of positioning spring force.The spring force can be adjusted using the set point nut.The pressure balanced structure can balanced out the forces created by the upstream pressure and acting on the valve plug.The downstream pressure is balance via the diaphragm area in the actuator.
2.Pressure relief type
The process medium flows through the valve in indicated direction.The position of the valve plug and the area released between plug and seat determine the flow rate.The operating diaphragm is tensioned by positioning spring and set point nut,so that the valve is closed by the spring force before relieved of pressure.The upstream pressure to be controlled is transmitted via pressure tap to the operating diaphragm where it is converted into a positioning force.This force is used for moving the vlave plug up according to the force of the positioning spring.When the force resulting from the upstream pressure rises above the adjusted set point, the valve opens propotionally to the change in pressure.Upstream and downstream pressures acting on the plug are balanced.

A Gas pressure relief(K type) ,no need of filter.
B Gas pressure regulator(B type), no need of filter.
C Liquid pressure relief(K type),in need of filter for unclean liquid.
D Liquid pressure regulator(B type),in need of filter for unclean liquid.
E Steam pressure relief(K type),in need of condenser ,and filter is recommended.
F Steam pressure regulator(B type),in need of condenser ,and filter is recommended.
Nominal DiameterDN15~250
Nominal PressurePN1.0~10.0MPa   ANSI 150~600lb
Density Temperature-20~120ºC
Connection TypeFlange
Body MaterialWCB\CF8\CF8M\CF8M
Plug MaterialNBR\PTFE
Seat Material304\316\316L
Flow CharacteristicQuick open
Rated R30:1
Control Accuracy5%
LeakageSoft SealingANSI Class VI
Pressure Adjusting Range0.25~4000KPa

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