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CN | EN

Front pressure regulating valve (self operated)

Technical Parameters

Product model: ZZYP-16K
Nominal diameter: DN20~200mm
Pressure range: PN1.0~6.4MPa
Medium used: steam, non corrosive liquid, gas
Manufacturing standard: GB/T4213-1992
Flange standard: GB/T9113-2000
Structural length: GB/T12221-1989
Valve material: WCB, CF8
Leakage level: ANSI B16.104-1976 (Class IV)

Product Details

Product Overview
The self operated front pressure regulating valve is composed of components such as the valve body and balance spring, without the need for external energy. It uses the pressure of the regulated medium as the power source to introduce the actuator to control the position of the valve core, change the pressure difference and flow rate at both ends, and make the front pressure stable. It has sensitive operation, good sealing performance, and small pressure set point fluctuations. Widely used for automatic control of pressure reduction and stabilization of gas, liquid, and steam media.

Performance characteristics
1. The pressure setting value of the self operated front pressure regulating valve can also be adjusted during operation;
2. Adopting fast opening flow characteristics, with sensitive action, high adjustment, and good sealing performance;
3. Automatic control of medium pressure such as gas, liquid, and steam in various industrial equipment;
4. Customized high-pressure or high-temperature types can be selected based on the pressure and temperature used on site.

Main external connection dimensions and weight

DN 20 25 32 40 50 65  80 100 125 150 200
                L PN16、40 150 160 180 200 230 290 310 350 400 480 600
PN64 230 230 260 260 300 340 380 430 500 550 650
                B 233                 332                 373 522                 673                 980                 1200
                H pressure adjustment range
（MPa） 		15～140 475                 520                 540 710                 780                 840                 880                 915
120～300 455                 500                 520 690                 760                 800                 870                 880
280～500  450                 490                 510 680                 750                 790                 860                 870
480～1000 445 480 670                 740                 780                 850                 860
600～1500 445 570 600 820                 890                 950                 950                 1000
1000～2500 445                 570                 600 820                 890                 950                 950                 1000
                A pressure adjustment range
（MPa） 		15～140 φ282                 φ308
120～300 φ232
280～1000  φ196 φ196 φ282
600～2500                 φ85 φ96
WT（Kg） 26 37 42 72 90 114 130 144 180

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