the role and performance of the relief valve of gas pressure reducing Industrial Valves belongs to the guide piston type pressure reducing valve. Consists of two parts, the main valve and pilot valve. The main valve is mainly composed of valve seat, the main valve, piston, spring and other parts. Pilot valve is mainly composed of the seat, disc, diaphragm, spring, adjusting spring and other parts. By adjusting the adjusting the spring pressure setting outlet pressure, the use of diaphragm sensing outlet pressure changes, through the pilot valve opening and closing drive piston to adjust the size of the main valve throttle position over-current, realize the function of reduced pressure regulator. Pressure reducing valve is mainly used for gas pipeline, such as air, nitrogen, oxygen, hydrogen gas, liquefied petroleum gas, natural gas, etc.

steam pressure reducing valve belongs to the guide piston type pressure reducing Industrial Valves. Consists of two parts, the main valve and pilot valve. The main valve is mainly composed of valve seat, the main valve, piston, spring and other parts. Pilot valve is mainly composed of the seat, disc, diaphragm, spring, adjusting spring and other parts. By adjusting the adjusting the spring pressure setting outlet pressure, the use of diaphragm sensing outlet pressure changes, through the pilot valve opening and closing drive piston to adjust the size of the main valve throttle position over-current, realize the function of reduced pressure regulator. Main products are mainly used for steam piping, decompression voltage stabilizing role.

spring diaphragm spring belongs to direct acting type thin film the relief valve pressure reducing Industrial Valves. Mainly by the regulating spring, diaphragm, piston, valve seat, disc and other parts. Using the diaphragm sensor downstream pressure directly driven disc, complete decompression voltage stabilizing function of the opening of the valve disc. Spring diaphragm pressure reducing valve in urban construction, high-rise buildings in cold and hot water supply system, can replace conventional partition conduit, saving equipment. Can also be in usually hot and cold water pipe network, decompression voltage stabilizing role. The product is smooth voltage regulator, voltage regulator action, suitable for water and non corrosive liquid medium pipeline.

a corrugated pipe pressure reducing valve is used in the temperature below 200 ℃ of steam, air, water, no corrosive medium in the pipeline, make through the body of the medium pressure constant, need to adapt to the work. Before the valve inlet pressure P1 by 1. 0 - 0. After 1 mpa, pressure reducing valve outlet pressure P2 of 0. 4 - 0. 5 mpa, valve before and after the valve pressure difference is not greater than zero. 6 mpa, also should not be less than zero. 5 mpa, the following description of its principle and structure of 1, medium pressure before the valve imports from the disc and body into the coelomic cavity sealing ring opening gap make medium pressure flow with the combination of the corrugated pipe boxes, corrugated pipe and spring from the medium pressure of extrusion and compression, the disc with the displacement of the valve stem, disc from the body sealing ring closure, the valve medium as before, do not make medium pressure valve supplements. When the valve of the medium pressure is reduced, corrugated pipe due to adjusting the spring force, make the bellows moire deformation, the valve stem to open the disc. The media through the body sealing ring supplement valve after pressure is reduced. 2, corrugated pipe pressure reducing valve is a valve body, valve cover, valve disc, valve seal, valve stem, corrugated pipe, adjusting spring and other parts, import assembly body cavity has the disc and body sealing ring and auxiliary spring, auxiliary spring is to keep the disc and body sealing ring automatic sealing, export body cavity assembly elastic sealing element ( Corrugated tube) Guarantee leakage of medium pressure after the valve and to overcome the pressure uneven degree of compensation. Screw is to adjust the spring load pressure reducing valve working performance.

lever type pressure reducing valve is mainly composed of valve body, valve seat, disc and other parts, with double seat, double cone disc structure. The pressure balance type disc, lift control. The regulating mechanism adopts lever type, with DKJ type or other type of Angle travel electric actuators, realize remote control and automatic control. Decompression of the lever type pressure reducing valve used than 0. 6 is more appropriate. Lever type pressure reducing valve is mainly used in steam piping, adjust the pressure. Widely used in cogeneration, textile, printing and dyeing, petrochemical industry, sugar, etc.

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