JB/T 2001.71-1999 This standard is a revision of JB 2074-84 "Types and dimensions of hydraulic servomotors for hydraulic presses". This standard specifies the types and dimensions of hydraulic servomotors. This standard is applicable to the follow-up hydraulic device composed of the follow-up rotary valve in JB/T 2001.69-1999 to control the distributors of various hydraulic presses. This standard was first issued in 1984. JB/T 2001.71-1999 Types and dimensions of hydraulic servomotors for water systems JB/T2001.71-1999 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 Bureau of Machinery Industry
2(-01-U1 Implementation
Machinery Industry Standard of the People's Republic of China
Water system oil pressure actuator
Type and size
Water systemOli pressure actuatorType and size
This standard specifies the type and size of the relief actuator.1BT201.71-1999wwW.bzxz.Net
State J1B3 207+-B4
This standard applies to the follow-up oil pressure device composed of the follow-up valve with the gate 2001.69-1999: to control the positive distributor of each hydraulic machine 2 Reference standards
The provisions contained in the following standards are referenced in this standard and constitute the provisions of this standard. When this standard is published, all of them are valid. All standards will be revised. The use of this standard shall be subject to the latest version of the following standards: JB/T2001.25.1999 Water System Distributor (PN -20, 31.5M) J82001.691999 water system follow-up valve N153 type and size comparison
! This standard has a maximum torque of one, and is divided into three gears. It needs to be able to open the distributor level most of its distribution network (JR2001.25) table
oil! Connector
Fighting force
Selection of quality
Public funds
The most difficult age distribution core
Lowering the diameter DN
25 -40
3.2 The type and size of the dynamic pressure connector shall be determined according to Figure 1 and Table 2. Approved by the State Administration of Machinery Industry on June 28, 1999 202
Main force street
Valve type
Drainage function
Reverse water blocking
Water inlet
Transmission form
Change to stop
Huang set alliance letter
2000-01-01 Implementation
JB-T 200t.71.1
JB:T2051.71.2
HT2091.71.3
JGT2001TL
JB/T2001.712
JR/T 200L.71.3
Marking example
Relay end of the product:
[010 h9
JB/T 2001.7[1999
Purchase: 2—: 3—Connection
18×125
: 20 × 125
Oil!T relay (1) JBT200].71999C
18×80
20 ×
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