JB/T 7757.2-1995 O-rings for mechanical seals
Basic Information
Standard ID:
JB/T 7757.2-1995
Standard Name: O-rings for mechanical seals
Chinese Name:
机械密封用O形橡胶圈
Standard category:Machinery Industry Standard (JB)
state:Abolished
Date of Release1995-06-16
Date of Implementation:1996-07-01
Date of Expiration:2007-07-01
standard classification number
Standard Classification Number:Machinery>>General Parts>>J22 Seals and Sealing Devices
Publication information
publishing house:Mechanical Industry Press
Publication date:1996-07-01
other information
Focal point unit:Hefei General Machinery Research Institute
Introduction to standards:
This standard specifies the size series, tolerances, technical requirements, test methods, inspection rules, and packaging, transportation, storage, etc. of O-rings for mechanical seals. JB/T 7757.2-1995 O-rings for mechanical seals JB/T7757.2-1995 Standard download decompression password: www.bzxz.net
Some standard content:
The standard of the People's Republic of China for press machine industry JB/T7757.21995
1995-06-164
1996-07-01
GR20P uxDEe/
GB1682
GB1690
GB2828
GB3512
GB/T5720
GB/T5721
GB5723
GB6031
GB6032
JB4127|| tt||GB3452.1 Italian
(30%85IRHD)
(30%85IRHD)
18.00mm case
1995-06-16this
J B/T7757.2 | | tt | 995
(NBR)
(MVQ)
-30 bags 100
-50%150
-20%200
-60%230
iABAＡ
D (idiot AD)
100mm
200mm
150 onwards
(150
JB/T7757.21995
GB3452.2 generation
3 pieces+7
18% +6
GB 6031 GB 6032 GB 531
GB528 shoesbzxz.net
GB 1690 petals
GB1682 wings
GB 7759 petals
GB3512
GB5723
GB/T5720 wings
￥250
(0% +10)
JB/T7757.21995
GB2828
GB/T5721f
-15%35bowl
ZBJ22002988
80%bottle
JB/T7757.21995
degree by g
880A1230
1996 from 1m
100044
1996A1m
95%059
12,000
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