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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IC.s$ 23.110 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 Implementation Machinery Industry Standard of the People's Republic of China Water system manual valve Wnter systemreui.Hnnd operated shut-off valre[ PN-31.5 MPabZxz.net 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 Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.