Standard of API Gate Valve
1. Design and Manufacture: API 600
2. Face to face: ANSI B 16.10
3. Flange Dimension: ANSI B 16.5 a
4. Butt welding Dimension : ANSI B 16.25
5. Pressure Tepmerature Lating: ANSI B 16.34
6. Nspection and Test: API598
Pressure Test
|
Pressure
|
Shell Test
|
Water Seal Test
|
Air Seal Test
|
|
|
PN / LBS
|
(Mpa)
|
(Mpa)
|
Mpa
|
Lbf/10-in2
|
|
150
|
3.0
|
2.2
|
0.5~0.7
|
60~100
|
|
300
|
7.5
|
5.5
|
||
|
600
|
16.5
|
12.1
|
||
|
900
|
22.5
|
16.5
|
||
|
1500
|
39
|
28.6
|
||
|
2500
|
63
|
46.2
|
||
Main Part Material and Property
|
No.
|
Parts Name
|
Materials
|
||||
|
WCB
|
CF8
|
CF8M
|
CF3
|
CF3M
|
||
|
1
|
Body/Bonnet
|
WCB
|
CF8
|
CF8M
|
CF3
|
CF3M
|
|
2
|
Disc
|
WCB
|
CF8
|
CF8M
|
CF3
|
CF3M
|
|
3
|
Stem
|
1Cr13
|
F304
|
F316
|
F304L
|
F316L
|
|
4
|
Packing
|
Graphite
|
PTFE
|
PTFE
|
PTFE
|
PTFE
|
|
5
|
Gasket
|
Graphite+304
|
PTFE+304
|
PTFE+316
|
PTFE+304L
|
PTFE+316L
|
|
6
|
Gland
|
WCB
|
CF8
|
CF8M
|
CF3
|
CF3M
|
|
7
|
Stuffing Ring
|
1Cr13
|
CF8
|
CF8M
|
CF3
|
CF3M
|
|
8
|
Bolt
|
35CrMoA
|
A193-B8
|
A193-B8M
|
A193-B8
|
A193-B8M
|
|
9
|
Nut
|
45
|
A194-8M
|
A194-8M
|
A194-8M
|
A194-8M
|
Main Connection Dimensions
150Lb, 10K
|
Size
|
Inch
|
1/2”
|
3/4”
|
1”
|
1-1/4”
|
1-1/2”
|
2”
|
2-1/2”
|
3”
|
4”
|
5”
|
6”
|
8”
|
10”
|
12”
|
14”
|
16”
|
18”
|
20”
|
24”
|
|
DN
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
350
|
400
|
450
|
500
|
600
|
|
|
L
|
mm
|
108
|
117
|
127
|
140
|
165
|
178
|
190
|
203
|
229
|
254
|
267
|
292
|
330
|
356
|
381
|
406
|
432
|
457
|
508
|
|
H
|
mm
|
188
|
202
|
225
|
252
|
277
|
323
|
347
|
383
|
457
|
632
|
762
|
895
|
895
|
1080
|
1295
|
1435
|
1626
|
1829
|
2175
|
|
W
|
mm
|
90
|
90
|
100
|
100
|
140
|
200
|
250
|
250
|
300
|
300
|
350
|
350
|
400
|
500
|
600
|
600
|
650
|
650
|
700
|
300Lb, 20K
|
Size
|
Inch
|
1/2”
|
3/4”
|
1”
|
1-1/4”
|
1-1/2”
|
2”
|
2-1/2”
|
3”
|
4”
|
5”
|
6”
|
8”
|
10”
|
12”
|
14”
|
16”
|
18”
|
20”
|
24”
|
|
DN
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
350
|
400
|
450
|
500
|
600
|
|
|
L
|
mm
|
140
|
152
|
165
|
178
|
190
|
216
|
241
|
283
|
305
|
381
|
403
|
419
|
457
|
502
|
762
|
838
|
914
|
991
|
1143
|
|
H
|
mm
|
155
|
160
|
186
|
216
|
250
|
330
|
368
|
394
|
473
|
660
|
711
|
813
|
1003
|
1137
|
14789
|
1581
|
2017
|
2228
|
2650
|
|
W
|
mm
|
100
|
100
|
125
|
160
|
160
|
250
|
250
|
300
|
300
|
350
|
350
|
400
|
500
|
600
|
600
|
650
|
838
|
889
|
1092
|
600Lb
|
Size
|
Inch
|
1/2”
|
3/4”
|
1”
|
1-1/4”
|
1-1/2”
|
2”
|
2-1/2”
|
3”
|
4”
|
5”
|
6”
|
8”
|
10”
|
12”
|
14”
|
16”
|
18”
|
20”
|
24”
|
|
DN
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
350
|
400
|
450
|
500
|
600
|
|
|
L
|
mm
|
165
|
190
|
216
|
229
|
241
|
292
|
330
|
356
|
432
|
508
|
559
|
660
|
787
|
838
|
889
|
991
|
1092
|
1194
|
1397
|
|
H
|
mm
|
155
|
160
|
186
|
216
|
250
|
510
|
554
|
559
|
712
|
826
|
995
|
1157
|
1373
|
1603
|
1930
|
2032
|
2286
|
2591
|
3124
|
|
W
|
mm
|
100
|
100
|
125
|
160
|
160
|
254
|
254
|
305
|
356
|
406
|
508
|
610
|
686
|
686
|
762
|
889
|
889
|
1118
|
1118
|