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Upper and lower display discharge valve

Products > Globe valve > Upper and lower display discharge valve

Upper and lower display discharge valve

Model: HG5-81-1 / 2
Nominal diameter: DN50 ~ 150mm
Nominal pressure: PN1.0 ~ 6.4MPa
Suitable temperature: -29 ~ 650 ℃
Main material: WCB, ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti, CF8, CF8M, CF3, CF3M
Design and manufacture: GB12234-89
Structure length: GB12221-89
Flange size: JB / T79-94
Inspection and test: GB13927
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Manual discharge valve performance and purpose
The valve is easy to operate, open the freedom, flexible and reliable movement; valve assembly and maintenance simple, reasonable sealing structure, sealing ring replacement convenient and practical. 
 
Manual discharge valve structure and principle:
The valve is mainly composed of 1. Valve body, 2. Valve flap, 3. Seal, 4. Stem, 5. Bracket, 6. Valve gland, 7. Hand wheel, 8. Law Blue, 9. Nut, 10. Set screws and other components, handwheel clockwise, the valve closed, the stem moves upward, the valve is on the exhibition, the handwheel clockwise, the valve closed, the valve stem down, the valve For the exhibition valve
 

Manual discharge valve main parts material

Part NameZG1Cr18Ni9Ti seriesZG00Cr18Ni10 seriesZG1Cr18Ni12MO 2 Ti seriesZG00Cr17Ni14MO 2 seriesWCB series
Body / bonnetZG1Cr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12MO 2 TiZG00Cr17Ni14MO 2WCB
Valve stemZG1Cr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12MO 2 TiZG00Cr17Ni14MO 2WCB
DiscZG1Cr18Ni9TiZG00Cr18Ni10ZG1Cr18Ni12MO 2 TiZG00Cr17Ni14MO 2WCB
Gasket304 + PTFE304L + PTFE316 + PTFE316L + PTFEGraphite +304
Stud1Cr17Ni21Cr17Ni21Cr17Ni21Cr17Ni235CrMoA
Nut1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni9Ti45


 Upper discharge valve connection size  

DNOn the flangeOn the flangeUnder the flangeSealing seat
D1D2D3D4D5D6
251158011585--
32135100135100--
401451101451108060
501651251601258570
6518014518014513085
8019516019516013595
100215180215180160130
125245210245210160140
150280240280240185165
200335295335295//


 Unfolded discharge valve connection size

DNOn the flangeOn the flangeUnder the flangeSealing seat
D1D2D3D4D5D6
25115851351007040
321351001451107555
4014511016012510065
501651251801458570
6518014519516013590
80195160215180155130
100215180245210195135
125245210280245180145
150280240335295210185
200335295405355//