Look at the valve according to the main parameters

by main parameters

According to nominal pressure:

(1) vacuum valve: a valve whose working pressure is below standard atmospheric pressure.

(2) low pressure valve: refers to the nominal pressure PN ≤ 1.6Mpa valve.

(3) Middle pressure valve: the valve with nominal pressure PN of 2.5Mpa, 4.0Mpa and 6.4 Mpa.

(4) High pressure valve: a valve whose nominal pressure PN is 10.0Mpa~80.0Mpa.

(5) Ultra-high pressure valve: refers to the nominal pressure PN ≥ 100.0Mpa valve.

By operating temperature:

(2) constant temperature valve: used for medium working temperature-29 ℃ < t < 120 ℃.

(3) Intermediate temperature valve: used for medium working temperature 120 ℃ < t < 425 ℃ valve.

(4) High temperature valve: valve for medium operating temperature t> 425 ℃.

By driver:

The driving mode can be divided into automatic valve, power driven valve and manual valve.

Nominal path

(1) small diameter valve: valve with nominal diameter DN ≤ 40mm.

(2) Middle diameter valve: valve with nominal diameter DN of 50-300mm.

(3) Large-diameter valve: valve with nominal diameter DN of 350-1200mm.

(4) King size valve: valve with nominal diameter DN of 141400mm

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