High Pressure Safety Valve with Spring Fully Open and Closed

Productoverview:
A42Y-160/320 Spring full open closed type high pressure safety valve Suitable for the work temperature are less than 200 air, nitrogen and hydrogen mixed gas medium of the equipment or pipeline. A42Y-160P/320P, A42Y-160R/320R spring full open closed high-pressure safety valve suitable for working temperature are less than 200 corrosion of the equipment or pipeline, as the overpressure protection device. According to the JB/T2769-92 standard flange.
Two, structural characteristics:
1, Spring full open closed type high pressure safety valve Has the advantages of simple structure, good sealing performance, accurate open pressure, discharge capacity, back seat pressure difference is small, easy to adjust.
2, the nozzle type seat: the seat for a cut of the nozzle seat that reaches the speed of sound at the outlet of the steam flowing through the valve, discharge coefficient, surfacing Stellite seating, erosion abrasion resistance, long service life.
3, thermal elastic disc: disc design for thermal elastic structure, using the medium pressure tiny deformation, improve the sealing ability, overcome the safety valve setting of the pressure is near before discharge phenomenon in the medium pressure. The valve sealing surface using advanced laser quenching technology, improve the hardness, wear resistance, impact resistance.
4: by adjusting the adjusting nut adjusting nut, adjust the amount of compression spring, the valve can conveniently and quickly get accurate setting pressure.
5, the back pressure adjustment set: auxiliary mechanism adjustment valve back pressure, through adjusting the back pressure adjustment, can get the right back seat pressure. When raised, the back pressure reducing valve. Cut, make the valve back pressure increased.
Three, Spring full open closed type high pressure safety valve Installation instructions:
1, the valve must be installed vertically, and best installed directly in the container or pipe joints. The import of the inner diameter of the joint should not be less than the safety valves.
2, the safety valve must be installed the export of appropriate expansion joint, to prevent the discharge pipe thermal expansion safety valve to bring unnecessary heat stress. The discharge pipe diameter than the valve outlet should be of large diameter and length as short as possible, avoid turn. Discharge pipe and expansion joint weight should not be in the safety valve should be fixed on the building.Distance between the center lines of the discharge tube and the valve between the as short as possible. For each set of safety valve should be installed separately discharge tube.
Exit 3, muffler to have enough area, prevent the discharge capacity of the valve back pressure effect.
Four, the main components of materials:

Five, dimensions and connection dimensions:

Six, ordering:
1, the name of the type of the product specifications of the nominal pressure of the valve bore connect the working temperature to the mode of transmission with the attachment so that we provide you the correct selection.
2, if the unit has been selected by the design model of our company, please press the product directly to our sales department order.
When using 3, the place is very important or complicated when you try to provide design drawings and detailed parameters when the occasion is important or complicated when you try to provide design drawings and detailed parameters by Zhongwei control of our experts for you to review.