title>JB/T 2771-1992 PN16.0~32.0MPa joint - JB/T 2771-1992 - Chinese standardNet - bzxz.net
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JB/T 2771-1992 PN16.0~32.0MPa joint

Basic Information

Standard ID: JB/T 2771-1992

Standard Name: PN16.0~32.0MPa joint

Chinese Name: PN16.0~32.0MPa接头

Standard category:Machinery Industry Standard (JB)

state:Abolished

Date of Release1992-07-20

Date of Implementation:1993-01-01

Date of Expiration:2008-07-01

standard classification number

Standard Classification Number:Machinery>>General Parts>>J16 Valve

associated standards

alternative situation:Replaces JB 2771-79; replaced by JB/T 1754-2008

Publication information

other information

Focal point unit:Hefei General Machinery Research Institute

Publishing department:Hefei General Machinery Research Institute

Introduction to standards:

This standard specifies the type, size, and technical requirements of external threaded connection joints for forged high-pressure valves. This standard applies to joints with nominal pressure pN16.0~32.0MPa and nominal diameter DN3~200mm. JB/T 2771-1992 PN16.0~32.0MPa joints JB/T2771-1992 Standard download decompression password: www.bzxz.net

Some standard content:

Mechanical Industry Standard of the People's Republic of China
PN16.0~~32.0MPa Joint
Subject Content and Scope of Application
This standard specifies the type, size, technical requirements, etc. of external threaded joints for forged high-pressure valves. JB/T 2771 *92
Replaces JB277170
This standard applies to joints with nominal pressure PN16.0~32.0MPa and nominal diameter IN3~25mm 2 Reference Standards
GB699 Technical Conditions for High-quality Carbon Structural Steel
GB1220 Stainless Steel Bars
JIB/T450 Technical Conditions for PN16.0~~32.0MPa Forged Angle High-pressure Valves, Pipe Fittings, Fasteners Structural Type and Size
The type and size of the joint shall be as specified in Figure 1 and Table 1. R0.5
Marking example
Connector with inner diameter of 6mm:
Connector 6JB/T2771
Approved by the Ministry of Machinery and Electronics Industry of the People's Republic of China on 1992-07-20The rest
199301-01Implementation
Nominal pressure
25.0,32.0
Nominal diameter DN
Technical requirements
The materials of the connector shall comply with the provisions of Table 2. www.bzxz.net
ICrl8Ni12Mo2Ti
JB/T 2771--92
The mechanical properties of the connector after heat treatment shall comply with the provisions of Table 3. 4.2
1Cr18Ni12Mo2Ti
Inspection rules
The magnetic particle inspection and other technical conditions of the connector shall comply with the provisions of JB/T450. Additional Notes:
This standard was proposed and managed by the Hefei General Machinery Research Institute of the Ministry of Machinery and Electronics Industry. This standard was drafted by the Hefei General Machinery Research Institute of the Ministry of Machinery and Electronics Industry. The main drafters of this standard are Huang Mingya and Wang Xiaojun. 100
Standard No.
GB 699
GB1220
N·m/cm\
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