This standard specifies the type, size and technical requirements of manual gate valves. This standard applies to manual gate valves with a nominal pressure of 31.5MPa. JB/T 2001.27-1999 Manual gate valves for water systems (PN=31.5MPa) JB/T2001.27-1999 Standard download decompression password: www.bzxz.net

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Machinery Industry Standard of the People's Republic of China
JB/T 2001.1~2001.74—1999
Water system assembly and parts1999-06-28 Issued
National Machinery Industry Bureau
2(-01-U1 Implementationbzxz.net
Machinery Industry Standard of the People's Republic of China
Water system manual valve
Wnter systemreui.Hnnd operated shut-off valre[ PN-31.5 MPa
Jiang Geng completed the dynamic brake dosage form, core and skin technical requirements, the original note is nominal! 315MPa manual brake Read 2 Reference standards
JB/T2001.27—1999
JB202781
The following standards contain relevant texts, which are quoted in this standard as non-standard clauses. When this standard is published, all minor versions are valid: All standards are publicly revised. All parties using this standard should refer to the following standards when possible. 2001.2 6[999x Series manual gate core (PN-20, 31.5MPa) type and size
3.1131(mm) type and size according to the provisions of the drawing. Offer
1-average: 2-lift: 3-body, 4-: 5-shape seal drawing: 6-bracket head: 7-commercial rate: 8-shape lift seal; - sticky national limit method, - release net 1 type 1
National Cable Machinery Industry Bureau 1999-06-28 approved 2000-01-01 implementation
JB/T200E.27-1999
3. 2 DX1S-25mm type and size shall be in accordance with the provisions of Figure 2 and Table 1 3.3 DN32-65mm type and size shall be in accordance with the provisions of Figure 3 and Table 2 3.4 DN80-125m type and size shall be in accordance with the provisions of Figure 4 and Table 3 3.5 EN150-200mm type and size shall be in accordance with the provisions of Figure 5 and Table 1 3.6 Figures 1 to 5! (Manual valve core 1 installed JBT200E26 regulations dial two dirty
two: 2-line: 3-adjustment body: 1-: 5-1 shadow week: 6-2 yuan: 7-8 heart-shaped density rent: 9: 0: [point connection: 12 micro "Figure?
2001.27.2
3BT 2001.27.3
JDT 2001.27.4
J1:1 2001.27.3
JB:2OO3.2T 6
月200127
TG ×12
JB/T2001.27999
1--Dynamic time mark; 2-Figure: 3-Method, 4-Effective gas time diagram 3
Installation scale
[--Hand or 4 flash: 2-Limit: 3-Ten thousand drop flange: 4-Put the diagram 4
JE20K0) 27.9
1F/T 200127 10
JBT2X1.271
Jm:T200127.12
J2GH1 27.13
J9:T21.27.11
4 Technical requirements
127 ×22
[52×25
JB/T2001.27—1999
280:160
190 420
1—Manual pressure test point,, adjustment, original table method: 4—air release 5
4.」Nominal force 1.5MPa, test pressure 42MPa.197
Installation
4×M24
1,x3i4d
28×:16.2
4.2 Test the pressure of the valve body and the valve core to check the adjustment strength and sealing performance, test method B12001.26 technical variables 5 marking example
Nominal diameter 10mm manual valve:
N2001.27[999
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