This standard replaces JB 84-59. JB/T 84-1994 Concave and convex surface welding ring plate type loose sleeve steel pipe flange JB/T84-1994 Standard download and decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
Concave and convex surface welding ring plate loose steel pipe flange subject content and scope of application
JB/T84·-·94
replaces 8459|| tt||This standard specifies the type and size of the loose sleeve steel pipe flange with a concave and convex surface welded ring plate with a nominal pressure PN of 4.0.6.3 and 10.0MPa.
This standard is applicable to the legal benefit 2 reference standard for concave and convex surface welded ring plate loose steel pipes with nominal pressure PN4.0~~10.0MPa
JB/T74 pipeline flange technical conditions|| The type and size of the tt||3 flange should comply with the requirements of Figure 1 and Tables 1 to 3. Type A
+
A
X
d| |tt||Type B
B
K
Figure 1
4 flange technical requirements are in accordance with JB/T74. t
G
5 The nominal pressure of the flange and the maximum allowable T operating pressure at different temperatures are in accordance with the provisions of Appendix B of JB/T74. 6 Marking example
Convex facing welding ring plate loose steel pipe flange with nominal diameter 300mm, nominal pressure 4.0MPa, size series 2: flange 30040AJB/T84---94||tt| |Nominal diameter 300mm, nominal pressure 4.0MPa size of 系统1的况i facet of welded ring plate式松套钢制管法：电影300-40B（系统1）JB/T84-94中华人民和国和机斯工业部1994-12-09 电影1995-1001 implementation
387
94
JB/T84
O0
0820
676
ot'
环
0
60z
8
880
f90
80
1t0
日| |tt||u
os'ft
81
25'6
998
002
99
29
06
660
08°0
8*0
88°0
870
210| |tt||00'68
0
2E
00
08
s
09°6
6*9
09
1
9
0
69°0
0
门||tt ||2
国
6
4
8
+
S
st
4
动
4
4
献姬太
回
t
2
olt
8
s
运能
8
0
8
x
好赈
0
5
5
5
5
5
3
2| |tt||2
B
8
4
4
0
olWww.bzxZ.net
G||tt ||868
5
8
6
8
5
R
5
5
5
a
12f
198
86
4
8
2| |tt||4
2
4
4
C
OEW
OF
g1W||tt ||91
1
91W
91W
6
2
2
2
2
o
oc
00
oo
4
4
鲁
18/ 9
8
/92
/92
8
4
4
4
e8s
5
乐
K
画子中
999/099
0297080
09/g| |tt||08298
21/00
081/51
09/9
SEO
st
0||tt ||儿随#
a
8
5
4
（
）
00F||tt ||0
8
5
0
5
0
388
JB/T84--94
0
0889
O'ss
16
0521
0
o1o1
o '2
t
so
02°0
090
of
980
610||tt| |u
*92
0069
S88
06
OS7
021
s
ost
O
Os
ss
88
0
90
0
TE0| |tt||2*0
0226
0
0
2
0881
22
928| |tt||28°
28
#62
90
891
68
28°0
12'0
3
3
2
翔
941
6
4
4
8
船源
4
度
敏姬你
凯品节
0|| tt||8
8
0
5
·
你
环
4||tt| |8
X
算
5
0
2
5
4
5
敏
R
0
0
4
2
2
G|| tt||7
4
oo
8
8
15
8
2||tt| |0
4
8
5
3
2
2
0
o
6
4
c
9
O
22
0
91W|| tt||gtw
6
5
2
2
2
88
80||tt| |88
00
4
再藻
8
1/9
1/98
e/ 98
te/98
09
8
8
8
8
4
脏湹
0
K
避
029
S65/009
DS
281928||tt| |962
00/902
8
910
US
S
sot
限山||tt ||八
8
5
5
B
4
）
19
000
(S)
2
5
Na
389
94
JB/T84||tt ||09.91
09°0m
09°9
5
80
2
08
08| |tt||00
02
860
980
6t
880
92.0
0018
0
6
zo
888
3
2
4| |tt||8
N
解
度
船
F98
门
E||tt ||女
5
L
3
x
S
5
6
3
5
28
恐
2
8
2
012
0| |tt||2
R
/Ge
8
9scs
R
22
OEW|| tt||91W
gw
2
2
2
2
4
装||tt| |8/2
/9
G2/97
4
L
尺
90
K| |tt||國小
连
289
009/905
02
OFF
0887988
OIS /SIS
s6
591/021
2
sol
2
B
5||tt| |95%
（
）
00s
00
i
5
055
390
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.