API ANSI CAST STEEL WCB FLANGED BELLOW SEAL STEAM GATE VALVE
Structural Features:
Construction: BB-BG-OS&Y
Operation: Manual, Pneumatic
Design Standard: API6D API600
Face to Face Dimension: ASME B16.10
Flange Ends: ASME B16.5
Test & Inspection: API 598
Technical Specifications:
Pressure Rating: Class: 150lb-900lb
Specification: 1/2"-14"
Material: WCB,CF8,CF3
Standard flanges: ANSI
PN (MPa)
|
Shell Test (MPa)
|
Sealing Test (MPa)
|
Suitable Temp (ºC)
|
Suitable Medium
|
150
|
3.0
|
2.2
|
-20ºC-350ºC
|
Water, Steam, Oil, Etc.
|
300
|
7.5
|
5.5
|
600
|
15
|
11
|
Main Parts Materials:
NO.
|
PART NAME
|
MATERIAL
|
1
|
Body
|
GS-C25, CF8, CF3
|
2
|
Disc
|
2Cr13, F304, F316
|
3
|
Hinge Pin
|
F304, F316
|
4
|
Bellows combination
|
F304, F316
|
5
|
Bonnet
|
GS-C25, CF8, CF3
|
6
|
Packing
|
Flexible graphite, PTFE
|
7
|
Gland
|
25#, F304, F316
|
8
|
Locator
|
25#, F304, F316
|
9
|
Stem Nut
|
ZQA19-4
|
10
|
Hand wheel
|
Carbon Steel
|
11
|
Cap
|
25#
|
12
|
Oil Nozzle
|
Brass
|
13
|
Hexagon Nut
|
ASTM A193 2H, A193-8, A193-8M
|
14
|
Bolt
|
ASTM A193 B7, A193-B8, A193-B8M
|
15
|
Gasket
|
Flexible graphite+S.S. PTFE
|
16
|
Stem
|
2Cr13, F304, F316
|
Main Dimension:
PN
|
PN16
|
DN
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
L
|
130
|
150
|
160
|
180
|
200
|
230
|
200
|
310
|
350
|
400
|
480
|
600
|
730
|
850
|
H
|
195
|
195
|
207
|
218
|
225
|
230
|
272
|
290
|
355
|
410
|
425
|
540
|
665
|
720
|
W
|
120
|
120
|
140
|
140
|
160
|
180
|
180
|
200
|
250
|
300
|
300
|
100
|
520
|
520
|
Wt.(kg)
|
4
|
4.5
|
5
|
7
|
9
|
12
|
18.5
|
23
|
38.5
|
56
|
75
|
113.5
|
235
|
395
|
H
|
7
|
7
|
12
|
13
|
14
|
15
|
19
|
23
|
28
|
35
|
42
|
52
|
64
|
75
|
kv
|
4.2
|
7.4
|
12
|
19
|
30
|
47
|
77
|
120
|
188
|
288
|
410
|
725
|
1145
|
1635
|
PN
|
PN25
|
DN
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
L
|
130
|
150
|
160
|
180
|
200
|
230
|
200
|
310
|
350
|
400
|
480
|
600
|
730
|
850
|
H
|
195
|
195
|
207
|
218
|
225
|
230
|
272
|
290
|
355
|
410
|
425
|
540
|
665
|
720
|
W
|
120
|
120
|
140
|
140
|
160
|
180
|
180
|
200
|
250
|
300
|
300
|
100
|
520
|
520
|
Wt.(kg)
|
4
|
4.5
|
5
|
7
|
9
|
12
|
18.5
|
23
|
38.5
|
56
|
75
|
113.5
|
235
|
395
|
H
|
7
|
7
|
12
|
13
|
14
|
15
|
19
|
23
|
28
|
35
|
42
|
52
|
64
|
75
|
kv
|
4.2
|
7.4
|
12
|
19
|
30
|
47
|
77
|
120
|
188
|
288
|
410
|
725
|
1145
|
1635
|
PN
|
PN40
|
DN
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
L
|
130
|
150
|
160
|
180
|
200
|
230
|
200
|
310
|
350
|
400
|
480
|
600
|
730
|
850
|
H
|
195
|
195
|
207
|
218
|
225
|
230
|
272
|
290
|
355
|
410
|
425
|
540
|
665
|
720
|
W
|
120
|
120
|
140
|
140
|
160
|
180
|
180
|
200
|
250
|
300
|
300
|
100
|
520
|
520
|
Wt.(kg)
|
4
|
4.5
|
5
|
7
|
9
|
12
|
18.5
|
23
|
38.5
|
56
|
75
|
113.5
|
235
|
395
|
H
|
7
|
7
|
12
|
13
|
14
|
15
|
19
|
23
|
28
|
35
|
42
|
52
|
64
|
75
|
kv
|
4.2
|
7.4
|
12
|
19
|
30
|
47
|
77
|
120
|
188
|
288
|
410
|
725
|
1145
|
1635
|
Application.
ANSIStandard Bellow Sealed Gate valve
( Os & Y Type ) is applied to various kinds of working conditions of pipelines such as petroleum, chemical industry, pharmacy, fertilizer, and power industry, etc, under nominal pressure in the PN1.6-40 MPa and operating temperature at -20 - 350ºC, that is used to cut off or connected to the pipeline medium.