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H42W stainless steel vertical check valve is normally in the closed state, due to the pressure of the inlet medium in the pipeline, and overcome the spring resistance to open the valve.When the medium pressure at the inlet end is lower than the outlet end, the spring will push the spool toward the valve seat and make the valve close, to prevent the medium counterflow, so the start-stop effect.The valve adopts spring to support the valve core, so it can be installed vertically or horizontally.

Product model: H42W
Nominal diameter: DN40 ~ 200mm
Nominal pressure: PN1.6~2.5MPa
Applicable temperature: ≤200
Suitable medium: corrosive medium, weak corrosive medium
Main materials: chromium nickel titanium stainless steel, chromium nickel molybdenum titanium stainless steel
Design standards: API6D, JB/T8937, API594
Structure length: API594, JB/T8937
Connection standard: ASME B16.5, GB/T 9113, JB/T 79, HG/T 20592
Pressure test: API 598, GB/T 13927, JB/T 9092
Pressure - temperature class: ASME B16.34, GB/T12224