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Classification：Stop valve
Trade names：
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| The flange joins the steel stop valve |
| Type of the products: PN1.6- 16.0MPa DN10- 200mm |
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The products quote the standard:
Design and manufacture: GB12235
The length of structure: GB12221
The grade of pressure temperature: GB9131 JB/T74 HG20604
Join flange: JB/T79 GB9113 HG20593-20635
Test and examine : GB13927 JB/T9092 |
Use of the products:
The stop valve that Fran connected is suitable for nominal pressure PN1.6- 16.0Mpa, working temperature- the petroleum , chemical industry , pharmacy , chemical fertilizer , power industry of 29- 55 degrees Centigrade,etc. are on the pipelines of different operating modes, cut off or put through the medium. The suitable medium is: Water , oil , steam , acid medium ,etc.. The operation mode is as follows, manual, the gear wheel is transmitted, electronic , pneumatic etc..
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Product structure characteristic:
1.The products, according to national standard GB12235, the structure is rational , it is reliable to seal, of good performance, the shaping is beautiful .
2.Valve petal , valve flat seal adopt department set up cobalt base hard alloy is it weld to pile very much, wear-resisting.
3.The valve stem is through adjusting the quality and surface nitrogen treatment, there is good practising corrosivity and resisting the scotch.
4.Can adopt various kinds of is it in charge of flange standard and flange seal of pattern to worthy of, meet various kinds of projects' needs and user demand.
5.The valve body material is complete in variety, packing, spacer require reasonable apolegamy according to actual operating mode or user, can suitable for various kinds of pressure , temperature , medium operating mode.
6.Is it adopt whorl join sealed flat or noumenonn is it weld the body stainless steel succeed to pile to seal, it is reliable to seal , the packing can go on in do not shut down cases while changing and maintaining, the convenient and swift influence system runs . |
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The material of the major part is explained:
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The valve has body
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WCB
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ZG1Cr18Ni12Mo2Ti
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ZGCr5Mo
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ZG1Cr18Ni9Ti
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The valve covering
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WCB
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ZG1Cr18Ni12Mo2Ti
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ZGCr5Mo
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ZG1Cr18Ni9Ti
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Support
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WCB
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ZG1Cr18Ni12Mo2Ti
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ZGCr5Mo
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ZG1Cr18Ni9Ti
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Valve one
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2Cr13
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316
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Cr5Mo
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304
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Valve stem
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2Cr13
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316
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25Cr2MoV
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304
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Valve seat
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25
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316
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304
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304
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Sealed ring
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304, strengthen the soft graphite
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Packing
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Strengthen the soft graphite
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Valve stem nut
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ZCuA110Fe3
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