hydraulic control valve is hydraulic control valves, it consists of a main valve and attached catheter, pilot valve, needle valve, ball Industrial Valves and pressure gauge, etc. Choose in the process of the hydraulic control valve, pay attention to the following:

( 1) Type in the application of hydraulic control valve is a factory inspection, all kinds of logo is complete, the product technical information to meet the requirements.

( 2) Hydraulic control valves according to the functional requirements, select the valve type, then according to the pipeline medium, temperature, building standards and the owner to ask and so on, to determine the valve body and the material of sealing parts. Commonly used valve body materials have cast iron, copper, iron, copper, plastic, etc. Commonly used seal face and lining material have copper alloy, plastic, steel, cemented carbide, rubber, etc. The body material should match the piping material.

( 3) 0 is the nominal pressure of valve. 6 and 1. 0 and 1. 6, 2. 5 and 4. Different level, such as 0 mpa pipeline medium, its working pressure should be less than nominal pressure value of the valve.

( 4) Engineering of the hydraulic control valve Settings should have enough space, so that the management, operation, installation and maintenance, and shall conform to the requirements of the line of the valve.

( 5) Line with the flange connection, the flange connection of the hydraulic control valve should be adopted; Line using the groove connection, should adopt the groove connection of the hydraulic control valve.

( 6) Hydraulic control valve should be set on the road at the pipe of unidirectional flow medium.

( 7) Hydraulic control valve to the main direction of the arrow on the valve body must be consistent with the piping system flow.

( 8) By hydraulic control valves, gas section should not have air blocking resistance phenomenon. In the aeration pipe network highest position such as deposit should be set up automatic exhaust valve.

( 9) When mounted horizontally, valve cover, stem should be facing up. Vertical installation, valve cover, stem should be outward.

( 10) The valve before installation should be tested for strength and rigor.

( 11) The strength of the valve and leak test shall meet the following requirements.

Nowadays, it is very common for us to utilise in os & y valve fire protection. And the quality of is decisive to production efficiency.
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