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Classification：Stop valve
Trade names：
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| Water seals the stop valve |
| Type of the products: PN2.5- 4.0MPa DN10- 150mm |
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The products quote the standard:
Design and manufacture: JB/T3595
The length of structure: GB/T15188.1
The grade of pressure temperature: GB/T3595
Test and examine : GB13927 JB/T9092 |
Use of the products:
Water seals the stop valve and is suitable for nominal pressure PN2.5- 4.0Mpa, fire power return water condensation system and petroleum , chemical industry of hydropower station of 0- 42 degrees Centigrade of working temperature are required on the pipeline isolated from atmosphere, cutting off or putting through the medium, the suitable medium is: Water , oil , steam corrode the gas non-.
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Product structure characteristic:
1.The products are designed and made according to national standard GB12235, the structure is novel, it is rational to select suitable materials, the shaping is beautiful . Connect end have flange and weld , can according to user with is it is it answer to buy to require.
2.The gland box is designed into the sealed structure of water, inserting the water packing of 0.6.6Mpa, frictional force is small, seal it well, can be complete the system is isolated from atmosphere, guarantee the good airtight .
3.The valve stem is through adjusting the quality and surface nitrogen treatment, there is good practising corrosivity and resisting the scotch.
4.The structure is compact, it is flexible to operate , overhaul it conveniently, have long performance life.
5.Is it adopt stainless steel whorl join sealed flat or noumenonn is it weld the body stainless steel succeed to pile to seal, it is reliable to seal . Packing change and is it can go on in do not shut down cases to maintain, convenient and swift to influence the system run. |
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The material of the major part is explained:
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The valve has body
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25, WCB
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The valve covering
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25, WCB
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Support
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25, WCB
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Valve one
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2Cr13 , WCB
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Valve stem
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2Cr13
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Valve seat
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25, 304
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Sealed ring
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Wrap up and cover the cushion , strengthen the soft graphite
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Packing
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Inflation soft graphite
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Valve stem nut
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ZCuA110Fe3
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