the rev safety valve structure description:

1, spring open the relief Industrial Valves has simple structure, good sealing performance, accurate opening pressure, large displacement, back pressure difference is small, the characteristics of convenient adjustment.

2。 Nozzle type seat: the seat is position valve seat. When the steam flows through the seat export, achieve sound velocity, flow coefficient, valve seat sealing surface using chromium cobalt tungsten carbide welding, wear resistance, resistance to impact. Life is long. 3. Thermal elastic disc: disc design for thermal elastic structure, using slight deformation under medium pressure, improve the sealing ability, overcome under medium pressure relief valve set pressure near the end of the preliminary drainage phenomenon. The valve sealing surface with advanced laser quenching technique, improve the hardness, abrasion resistance and impact resistance. 4. Adjusting nut: by adjusting the adjusting nut and adjust the amount of spring compression, valves can be very convenient and quick to obtain precise set pressure. 5. Back pressure regulating sleeve: can be adjusted through the back pressure regulating sleeve back pressure regulating valve disc auxiliary mechanism, in order to obtain the right back to the pressure difference. When the temperature rises, the valve back pressure is reduced. When pressure is reduced, the valve back pressure increase. Open the relief valve installation instructions: 1. Relief valve must be installed vertically, it is better to directly installed on the container or pipe joint. The inner diameter of the joint entrance diameter should not less than the relief valve. 2. The export of relief valve must be equipped with appropriate expansion joint, thermal expansion bring relief Industrial Valves discharge pipe to prevent excessive thermal stress. The inner diameter of the discharge pipe should be greater than the diameter of the valve outlet, and the length should be as short as possible to avoid turning. Shall not be applied to the relief valve discharge pipe and expansion joint weight, and should be fixed in the building. Discharge pipe of the distance between the centerline with the centerline of the body as short as possible. For each safety valve installation separate discharge tube. 3. The muffler outlet must have enough area, in order to prevent back pressure affect the discharge capacity of the valve.

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