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GZ860 Self Operated Micro Pressure Control Valve with Conductor

Performance Characteristics   

1、Excellent micro-pressure control performance --- pressure regulating valve takes a number of measures to adapt to the precise-temperature micro pressure control.
2、Lever amplification --- command operation mechanism is a lever amplifying tensile mechanism. The thrust of micro-pressure control generated on the diaphragm is extremely small, and simply increasing the area of the diaphragm will make the valve too large in size. A lever mechanism can amplify the thrust by 6 times without any increase in the volume of the valve to adapt to the need to control.
3、Nozzle type pilot valve ---The control performance of the commander determines the ability to control the pressure of the whole system. For micro-pressure control, any friction and resistance will seriously affect the performance of control system. Commander spool with nozzle flapper structure have no sliding friction and high sensitivity.
4、Backpressure control---in terms of the pneumatic system, the backpressure control is the most stable. Pressure regulating valve achieve stable and accurate control with double membrane chamber intake air at the same time, dorsal lateral membrane compartment by command nozzle regulating release airflow control mode.
5、Built-in pressure relief valve - the power of the command regulator comes before the valve, and the pressure before the valve is often high and changable. The built-in pressure relief valve of the controller can supply the control system of low and stable pressure of gas by reducing the high pressure before the valve.
6、Safe overload - to minimize impact on part weight control pressure, the pressure regulating valve of the adjusting mechanism is designed as light and fine as possible. In normal operation, the downstream pressure is very low, and the force on adjusting mechanism is very small. But in the actual use of the process, overload is difficult to avoid, and the downstream pressure is likely to be issued to the pressure before the valve in abnormal states, then the thrust generated by disc component is absolutely destructive. Overload protection mechanism of the pressure regulating valve can effectively unload the overload capacity, and protect the regulator. That is to say that the pressure regulating valve actuator membrane can endure under the highest pressure before the valve without damage in most conditions.

Specifications   
Body Size 1/2"(DN15)~4"(DN100)
Body Rating ANSI Class 150#~600#
Fluid Temp -48~+120℃
Connections Flanges(RF)
Body Materials WCB,CF8,CF8M,CF3,CF3M,etc
Plug Materials 304(L),316(L),etc.
Seat Leakage ANSI Class IV(Cv×0.01%)
Rangeability 20:1
Flow Characteristics Normal
Product Advantage   

1、The command is a very sophisticated pneumatic instrument, which need clean gas. Pressure regulator valve pilot pressure pipe with a filter ensures the delivery of clean air to the command.
2、The main valve is also driven by a lever, so as long as the pressure before the valve is 15KPa, it can be normal to start the adjustment.
3、Balance type main valve spool allows pressure regulating valve to have a very high performance in enduring pressure differences.
4、with the control of the micro pressure, any friction resistance will impact the accuracy of pressure regulating valve. The valve without packing structure allows good sensitivity of the pressure structure, and reduces the leakage point.
5、High-sensitivity command controller controls the main valve to allows a high control accuracy of the control valve.
6、In any control system, overshoot is better to be smaller. SP592 adjustable pressure valve is throttling with great decompression ratio and easily generated overshoot. Command nozzle is a rewind spool, so when there is overpressure, nozzle valve will quickly open balance main valve membrane chamber so that the main valve will be off, so that the overshoot is reduced to the minimum.

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