JB/T 2001.48-1999 JB/T 2001.48-1999 Airlock valve for water system pump station (PN=31.5MPa) JB/T2001.48-1999 Standard download decompression password: www.bzxz.net

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Standard of the Machinery Industry of the People's Republic of China
JB/T 2001.1~2001.74—1999
Water system assembly and parts1999-06-28 Issued
State Machinery Industry Bureau
2(-01-U1 Implementation
Standard of the Machinery Industry of the People's Republic of China
Water system
Air gate valve for pump station
Wyler system Gus slrul off alvu for wster arumulalur(PN=31.5 MPa )Www.bzxZ.net
The technical standard specifies the steps, dimensions and technical requirements for the measurement of airlocks used in water supply stations: JB/01.8
R2151·84
No standard is applicable to the ticket-type device with a nominal pressure of 31.5MPa, and the airlock valve used to control the high-pressure air pipeline is used. 2 Reference standards
The provisions contained in the following standards are quoted in this standard as the provisions of this standard. When the main body of the standard is published, all blanks are valid, and all existing standards will be revised. All parties using this standard should explore the possibility of using the following standard versions. I Wan/T2(MH1.47-1999 Valve core for water supply station (PN=20, 31.5MPa3 Type and size
3.1DN10. D25mm gas valve type and size according to the current regulations of [, table 2]. 3.2DN<. DNG5mm gas valve type and size according to Figure 2, table 2. 3.3DN10, DN5m1m left and right type air gate valve type and size according to Figure 3, table 2, LN10
1-gas source layout; 2.-body: 3-connecting flange: 4-venting width 1 type drawing
National Machinery Industry Kitchen 1999-06-2 approved [28
2000-01-D] actual end
T:T 2G
73:1 48
JB/T 2E1.48.
JBT2001.48—1999
—Gas 4 rubber core: 2—valve standard: 3—with attached flange; 4—some gas reading type: 5—attached flange Figure 2
Fa Lingmin small
1—Gas valve core: 2—version body: 3—one side cumulative connection method: 4—effective gas two II type:—attached flange: 6—test method when Figure 3
IR/T20G1.48.4
JB/ 7(K1.48 :
JB/12(1.48.
JE/T 20K01.48.8
4 technical requirements
JB/T2001.48—1999
7G × [2
: 102 × 18127 72; 2
4,1 Nominal force 31.5MPu, test pressure 42MPa0
Amp gauge
16u! 103
4.2 The valve is tested together with the valve core to check the illumination and damage performance. The test method is shown in the technical requirements of JB/T2001.47. 5 Marking example
Nominal diameter 40mm in the type of gas:
Air brake (type) N49JB2001.—1999
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