Product description:
J21H, J21W PN25, PN40 male cut-off valve, manual, straight-through type structure, external thread connection, the valve seat sealing surface material is stainless steel work pressure, 2.5 ~ 4.0 MPa, nominal size DN6 ~ 3/4 ", the body material is carbon steel (J21H), stainless steel (J21W), suitable for water, steam, oil (J21H) and weak corrosive, corrosive (J21W) medium in pipeline.
J21H, J21W PN25 PN40 female thread globe valve, pipeline and valve body connection with female thread connection type, also known as female thread needle valve, female thread needle valve, is the power, electrical, mechanical and electrical equipment engineering, electronic control equipment engineering application *** one of the more valves. Due to its convenient installation, reasonable manufacturing, economical and simple, so a large number of use in power engineering and other pipelines.
Scope: the product can be used in petroleum, chemical and other industries.
The product conforms to the standard: JB/T 7746

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Main performance parameters

model	Nominal pressure PN	Applicable temperature /°C	Applicable medium
J24H-25	25	≤80	General gas, ammonia, ammonia liquid
J24N-40	40	≤80	General gas, ammonia, ammonia liquid
J24H-40	40	≤150	Water, steam, oil
J24W-25P	25	≤150	Weakly corrosive medium
J24W-40P	40	≤150	Weakly corrosive medium
J24W-25R	25	≤150	Corrosive medium
J24W-40R	40	≤150	Corrosive medium

Main overall dimensions

                                                     （unit：mm）

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