JB/T 2001.47-1999 JB/T 2001.47-1999 Airlock valve core for water system pump station (PN=20, 31.5MPa) JB/T2001.47-1999 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 Air Gate Valve Core for Pump Station Water sysleru Core of gfs shut off vahveforwateraccumulator (PN=20, 31.5MPa] The standard specifies the type, size and requirements of the air gate core of the pump station, IH-T 2001.47—1999 Find Fee 32050-84 Standard application standard pressure is 20, 31.5MPa, and is used to control the air master core of the high-pressure air pipeline in the pump station of the actuator. 2 Type and size 2.1V1n, D25mm. The steps and dimensions of the air lock valve core are in accordance with the provisions of Figure 1 and 1: [Alarm rod: 2 Pressure flow: 3 Pressure change: 4 V-shaped seal: 5-Support ring: 6 Seal; 7-Pad: 8-Two seats: 9-Tao: 100-shaped seal ring Figure 1 National Machinery Industry Bureau approved 2Hchuan-Small 1-{] implementation on June 28, 1999 J37T 21m1.47 JB-T 200I.47.2 JB/T 2001.47—999 1.2DN40, DN65mm core type and size according to Figure 2, Table 2. 1- Rod: 2- Small dry whole: 3- Jade check: 4- Use cumulative dry separation, 5- V-throat sealing rate: 6- Support damage: 7- Out of sealing rate, differencebzxZ.net SO-shaped density: - Cup: 1G- Account needle: 11- Screw: 12- Pressure space: 13- Valve: 14- Seat: 150- Shape time network cabinet 2 R/2K1147 JB-T2001.47.4 3 Technical requirements JET 2001.47—1999 3.1 Nominal pressure 31.5MPu, test pressure 42MPa. 20MPa below the nominal pressure, test pressure 30MP 3.2 During the test, the pressure drop phenomenon of the steel mouth is not very leaky, and the stroke 3.3TIN0, DN6Smm air valve core, in the closed state, the lower chamber pressure is not allowed to be full. 4 Marking example Nominal light air core: Air brake valve core DNidJB.T2001.47--1999 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.