■ 应用规范
1、设计制造：按ANSI B16.34;API602
2、连接端尺寸
(1)承插孔尺寸按ANSI B16.11,JIS B2306
(2)螺纹端尺寸按ANSI B1.20.1:BS21:JIS BO203:S107/1
3、阀门检验和试验：按API 598
4、材料:按AIS/ASTM的规定
5、结构特征：P.S;OS&Y;L.B
6、主体材料：
A105；F5；F11；F22；304；304L；316；316L；LF2等
■ Application criterion
1、Design and manufacture：to ANSI B16.34;API602
2、Size of coupling end:
(1).Size of socket joint hole:to ANSI B16.11,JIS B236
(2).Size of threaded end :to ANSI B1.20.1:BS21:JIS BO203:S107/1
3、Valve inspection and test：to API 598
4、Material:to AIS/ASTM
5、Structure characteristics：P.S;OS&Y;L.B
6、Materiare fo main body：
A105；F5；F11；F22；304；304L；316；316L；LF2.etc
■锻钢自密封截止阀的主要尺寸 Main diemsi***
|
规格 DN
Specification DN |
S
|
L
|
T(IN)
|
W
|
H(开)Open
|
重量kg weight
|
|||||
|
|
公制 metric
|
ANSI
|
JIS
|
900 1500 Pound grade
|
2500 Pound grade
|
ANSI
|
ISO,BS
|
JIS
|
|||
|
NPI牙形60°
|
RC牙形55°
|
PT牙形55°
|
|||||||||
|
1/2
|
15
|
21.8
|
22.2
|
140
|
186
|
1/2
|
125
|
321
|
12.3
|
||
|
3/4
|
20
|
27.1
|
27.7
|
140
|
186
|
3/4
|
125
|
321
|
10.8
|
||
|
1
|
25
|
33.8
|
34.5
|
140
|
186
|
1
|
160
|
321
|
10.5
|
||
|
11/4
|
32
|
42.6
|
43.2
|
178
|
232
|
11/4
|
160
|
380
|
21.0
|
||
|
11/2
|
40
|
48.7
|
49.1
|
178
|
232
|
11/2
|
180
|
414
|
19.6
|
||
|
2
|
50
|
61.1
|
61.1
|
216
|
279
|
2
|
200
|
502
|
40.4
|
||