Product Introduction
【Product description】
J21H, J21W type PN25, PN40 external threaded globe valve: manual, external threaded connection form, straight-through structure, seat sealing surface material is stainless steel, working pressure 2.5~4.0MPa, nominal size DN6~DN20, valve body material is carbon steel (J21H), stainless steel (J21W), suitable for water, steam, oil (J21H) and weakly corrosive, corrosive (J21W) medium pipelines.
J21H, J21W type PN25 PN40 external thread globe valve, the connection between the pipeline and the valve body adopts external thread live connection type, also known as external thread needle valve, external thread needle valve, is one of the most used valves in electric power, electrical, mechanical and electrical equipment engineering, and electronic control equipment engineering.Because of its convenient installation, reasonable manufacturing, and simple economy, it is widely used in pipelines such as power engineering.
【Product performance parameters】
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Main performance parameters of J21H, J21W PN25 PN40 external thread globe valve |
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Model number |
PN |
Working pressure/ MPa |
Applicable temperature/ ℃ |
Applicable media |
|
J21H-25 |
25 |
2.5 |
≤ 425 |
Water, steam, oil |
|
J21H-40 |
40 |
4.0 |
||
|
J21W-25P |
25 |
2.5 |
≤ 150 |
Weakly corrosive media |
|
J21W-40P |
40 |
4.0 |
||
|
J21W-25R |
25 |
2.5 |
Corrosive media |
|
|
J21W-40R |
40 |
4.0 |
||
【Product parts and materials】
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J21H, J21W type PN25 PN40 external thread globe valve parts and materials |
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Model number |
Material |
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Valve body, valve cover |
Valve stem |
Sealing surface |
Packing |
|
|
J21H-25 |
Carbon steel |
Chrome stainless steel |
Chrome stainless steel |
Flexible graphite |
|
J21H-40 |
||||
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J21W-25P |
Chrome-nickel-titanium stainless steel |
Chrome-nickel-titanium stainless steel |
Chrome-nickel-titanium stainless steel |
PTFE |
|
J21W-40P |
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J21W-25R |
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J21W-40R |
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【J21H, J21W type PN25 PN40 external thread globe valve product shape and structure size】
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J21H, J21W type PN25 PN40 external thread globe valve shape and structure size (mm) |
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DN |
L |
H |
D0 |
D |
Weight/ kg |
|
6 |
175 |
120 |
65 |
6 |
0.75 |
|
10 |
179 |
125 |
80 |
10 |
1 |
|
15 |
187 |
135 |
100 |
15 |
1.6 |
Keywords:
Valve
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Beijing Valve General Factory Co., Ltd.
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Address：
No. 3, Lvhai Road, Pangezhuang Town, Daxing District, Beijing
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