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ANSI-specifications of butt weld
Butt Welding Ends - ANSI B16.25(1997)


IMPORTANT: When ordering butt welding end valves indicate type of ends desired and give pipe schedule to be used.
★ Butt Welding Ends for Tong Kwang Standard
A=Outside Diameter (Cast & Stainless Steel Valves)
REFER TO ANSI B16.25 FIG. 2 (a),(b),FIG. 3 (a),(b)
class
150#
300#
600#
900#
1500#
2500#
SCH
STD
STD
80
**120
160
*XXS
B=Nominal Inside Diameter of Pipe
t=Nominal Wall Thickness of Pipe
★ For More Information on Butt Welding End Preparation,Refer to ANSI B16.25
★ Offers Special Type B/W When Required by Customer
★ The Table Applicative Bound for Material ：Carbon Steel / Alloy Steel
★ The Stainless Steel on Butt Welding Ends,Refer to ANSI B 36.19
* forThe Grade on Butt Welding Ends is SCH 160 " 10 inch " And Larger
** The Grade on Butt Welding Ends is SCH 160 for " 3 inch " And Smaller

ANSI-specifications of flange facet/flange dimension for forged valve


DIMENSIONS ( inch )
GATE
GLOBE
CHECK
ANSI B16.5
Class
NPS
L (ANSI B16.10)
D
C
g
d
t
f
hφ×N
150
1/4
**4.25
3.50
2.38
1.38
0.25
0.38
0.06
0.62×4
3/8
**4.25
3.50
2.38
1.38
0.38
0.38
0.06
0.62×4
*1/2
4.25
3.50
2.38
1.38
0.50
0.38
0.06
0.62×4
*3/4
4.62
3.88
2.75
1.69
0.75
0.41
0.06
0.62×4
1
5.00
4.25
3.12
2.00
1.00
0.44
0.06
0.62×4
11/4
5.50
4.62
3.50
2.50
1.25
0.50
0.06
0.62×4
11/2
6.50
5.00
3.88
2.88
1.50
0.56
0.06
0.62×4
2
7.00
8.00
6.00
4.75
3.62
2.00
0.62
0.06
0.75×4

300
1/4
**5.50
3.75
2.62
1.38
0.25
0.56
0.06
0.62×4
3/8
**5.50
3.75
2.62
1.38
0.38
0.56
0.06
0.62×4
1/2
5.50
6.00
3.75
2.62
1.38
0.50
0.56
0.06
0.62×4
3/4
6.00
7.00
4.62
3.25
1.69
0.75
0.62
0.06
0.75×4
1
6.50
8.00
4.88
3.50
2.00
1.00
0.69
0.06
0.75×4
11/4
7.00
8.50
5.25
3.88
2.50
1.25
0.75
0.06
0.75×4
11/2
7.50
9.00
6.12
4.50
2.88
1.50
0.81
0.06
0.88×4
2
8.50
10.50
6.50
5.00
3.62
2.00
0.88
0.06
0.75×8

600
1/4
**6.50
3.75
2.62
1.38
0.25
0.56
0.25
0.62×4
3/8
**6.50
3.75
2.62
1.38
0.38
0.56
0.25
0.62×4
1/2
6.50
3.75
2.62
1.38
0.50
0.56
0.25
0.62×4
3/4
7.50
4.62
3.25
1.69
0.75
0.62
0.25
0.75×4
1
8.50
4.88
3.50
2.00
1.00
0.69
0.25
0.75×4
11/4
9.00
5.25
3.88
2.50
1.25
0.81
0.25
0.75×4
11/2
9.50
6.12
4.50
2.88
1.50
0.88
0.25
0.88×4
2
11.50
6.50
5.00
3.62
2.00
1.00
0.25
0.75×8
NOTES:
* 1/2" & 3/4"X150# Raised-Face Refer to MSS-SP42 .
** 1/4" & 3/8" Face to Face , Flanged End , Tong Kwang Standard .

JIS- specifications of flange facet/flange dimension for forged valve


DIMENSIONS ( mm )
GATE
GLOBE
CHECK
JIS B2210
Class
NPS
L (JIS B2002)
D
C
g
d
t
f
hφ×N
10K
8
*102
90
65
46
8
14
1
15×4
10
102
90
65
46
10
14
1
15×4
15
108
95
70
51
15
16
1
15×4
20
117
100
75
56
20
18
1
15×4
25
127
125
90
67
25
18
1
19×4
32
140
135
100
76
32
20
2
19×4
40
165
140
105
81
40
20
2
19×4
50
178
203
155
120
96
50
20
2
19×4

GATE
GLOBE
CHECK
JIS B2210
Class
NPS
L (JIS B2002)
D
C
g
d
t
f
hφ×N
20K
8
*140
*152
90
65
46
8
16
1
15×4
10
*140
*152
90
65
46
10
16
1
15×4
15
140
152
95
70
51
15
16
1
15×4
20
152
178
100
75
56
20
18
1
15×4
25
165
203
216
125
90
67
25
20
1
19×4
32
178
216
229
135
100
76
32
20
2
19×4
40
190
229
241
140
105
81
40
22
2
19×4
50
216
267
155
120
96
50
22
2
19×8

GATE
GLOBE
CHECK
JIS B2210
Class
NPS
L (JIS B2002)
D
C
g
d
t
f
hφ×N
40K
8
*165
110
75
52
8
18
1
19×4
10
*165
110
75
52
10
18
1
19×4
15
165
115
80
55
15
20
1
19×4
20
190
120
85
60
20
20
1
19×4
25
216
130
95
70
25
22
1
19×4
32
229
140
105
80
32
24
2
19×4
40
241
160
120
90
40
24
2
23×4
50
292
165
130
105
50
26
2
19×8
NOTES: * 8 & 10 Face to Face , Flanged End , Tong Kwang Standard .

PRESSURE TEST

I.Test dielectric-water
UNIT: PSIG ( KG/CM2)
material
WCB/A105
LCC/LF2
WC6/F11
WC9/F22
C5/F5
CF8/F304
CF8M/F316
CLASS
SHELL
CLOSURE
SHELL
CLOSURE
SHELL
CLOSURE
SHELL
CLOSURE
SHELL
CLOSURE
SHELL
CLOSURE
SHELL
CLOSURE
150#
450(32)
315(23)
450(32)
320(23)
450(32)
320(23)
450(32)
320(23)
450(32)
320(23)
425(30)
305(22)
425(30)
305(22)
300#
1125(80)
815(58)
1125(80)
825(58)
1125(80)
825(58)
1125(80)
825(58)
1125(80)
825(58)
1100(78)
795(56)
1100(78)
795(56)
600#
2225(157)
1630(115)
2250(258)
1650(116)
2250(158)
1650(116)
2250(158)
1650(116)
2250(158)
1650(116)
2175(153)
1585(112)
2175(153)
1585(112)
800#
2965(209)
2175(153)
3000(211)
2200(155)
3000(211)
2200(155)
3000(211)
2200(155)
3000(211)
2200(155)
2900(203)
2115(149)
2900(203)
2115(149)