JB/T 74-1994 Technical requirements for pipeline flanges

This standard specifies the materials and dimensions of pipe flanges, plus surface roughness and technical requirements for testing, inspection and acceptance. This standard is applicable to steel pipe flanges specified in JB/T 79-86. JB/T 74-1994 Technical Conditions for Pipe Flanges JB/T74-1994 Standard download and decompression password: www.bzxz.net

J15 | |tt||1995-10-01
question
GR20P uxDEe/ | |tt | tt||GB
GB2100
GB3077
GB3274||tt| |GB4237
GB4238
JB2640
3.1 channels||tt ||3.2 Wine
3.4 ??Sheath Blood Sin
interest
JB755P4 true
1994-12-09this
JB/T741994
1995-10 -01
A| |tt||AE·
Q235-A
Q235-B
Q235-C
ZG230-450
16MnR
16Mn15MnV
12CrMof15CrMo
ZG20CrMo
12Cr2Mo1
ZG20CrMoV
12Cr1MoV
ZG15Cr1Mo1V
1Cr5Mo|| tt | tt| |2 bottles
3 generations
JB/T741994
GB3274
GB 700
GB 711
GB/T7659
JB2640
JB2640
JB2640
GB4237
GB4238
GB1221
GB 2100
MPabar
2.5 yuan 25 pictures
450||tt ||475
Xingrong C||tt ||H
Happiness
Light addiction
N | |tt | ||cp18
DN65~DN150||tt ||DN200-DN300
DN350~DN600
YDN700
UDN125
DN150~DN800
JDN100
DN125~DN400||tt ||DN450~DN600
DN700-DN1000
DN1200
UDN150
DN200~DN500
DN600DN1200
DN1400-DN1600||tt ||DN250
0|| tt||A1.5
+4.0|| tt||-1.0
4||tt ||%
% bottle
meaning
K|| tt||L
my title
painting
painting
interesting
JB/T741994
% Disease
DDN800
PDN800| |tt||M10~M24
M27~M33
M36~M56
M10~M24
M27~M56
DN125
UDN500
DN600~DN1200
YDN1400
0||tt| |-2.0
-0.5| |tt||0
A1.5| |tt||A 0.5
A 1.0|| tt||A 1.5
5 light
5. 2 cream
5.3 blood pain Verification
6 I want
6. 2 things list
7 thoughts
8.1讯脑
8.2 黄血罪
9光熙路
9.1放府
9.1. 2 单
JB/T741994||tt| |#3
MPatable?
A0.2| |tt||A 0.13
JA45草服
3.2| |hh||1.6||hh||mm||hh||hm||hh||5||hh||%4||hh||9.1.3||hh||燕||hh||9.2
论血前
药氣盛症| |tt||a.
JB/T741994
Q235-A
35CrMo
25Cr2MoVA
25Cr2Mo1VA
20Cr1Mo1VNbB
20CrIMo1VTiB
2Cr12WMoVNbB
JB/T741994
#A1||tt ||PN
MPatbar
2.5元25圈
6.3毛63圈
20.0元2000
500||tt ||550
B1密应bZxz.net
B3鞭痴| |tt||PN
MPatable
10|| tt||1.6
毛63| |tt||10.0
0||tt ||10
JB/T79~86水就
JB/T741994
Q235-AgBzC20g25g
ZG230-450g
200||tt| |0.25
E6.0|| tt||2.50
0.90||tt| |9.0
3.50||tt ||40.0*35.0元
9.00|| tt||100.0%90.0元
18.00| |tt||180
.5| |tt||1.20
48.0||tt ||7.50
1./0| |tt||17.0
66.0||tt ||11.00
MPatbar
9.0送||tt ||1.50
5.80||tt ||@58.0
1.3||tt| |0.32
13.0||tt| |2.00||h||20.0||h||3.20||h||32.0||h||5.00||h||50.0||h||8.00||h||10.00||h||100
B1~± B6E
0.45||tt ||4.5
2.80|| tt||中
0||tt| |445
0.09| |tt||1.9
0.90||tt ||9.0
5.70|| tt||7
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