Ball valve is mainly used to connect or cut off medium. It can also be used to control or regulate fluid. Flanged ball valve is widely utilized in petroleum, chemical engineering, metallurgy, electricity.
Standards
Design: API 6D; ANSI B16.34
Length: ASME B16.10
Flange: ASME B16.5; ASME B16.25
Testing & inspection: API 598
Pressure
|
Testing program |
Shell testing |
Seal testing |
Upper seal testing |
Gas seal testing |
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|
Medium |
Water |
Gas |
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|
Unit |
MPa |
Lbf/in2 |
MPa |
Lbf/in2 |
MPa |
Lbf/in2 |
MPa |
Lbf/in2 |
|
|
Class(Lb) |
150 |
3.1 |
450 |
2.2 |
315 |
2.2 |
315 |
0.5-0.7 |
60-100 |
|
300 |
7.8 |
1125 |
5.6 |
815 |
5.6 |
815 |
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|
400 |
10.3 |
1500 |
7.6 |
1100 |
7.6 |
1100 |
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|
600 |
15.3 |
2225 |
11.2 |
1630 |
11.2 |
1630 |
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|
900 |
23.1 |
3350 |
16.8 |
2440 |
16.8 |
2440 |
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Materials
|
Part Name |
Carbon Steel |
Stainless Steel |
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|
WCB |
LCB |
CF8 |
CF8M |
CF3 |
CF3M |
|
|
Body |
A216 WCB A105 |
A352 LF2 |
A351 CF8 |
A351 CF8M |
A351 CF3 |
A351 CF3M |
|
Ball |
A105/Ep.Cr |
A182 F304 |
A351 CF8 |
A351 CF8M |
A351 CF3 |
A351 CF3M |
|
Stem |
A182 F6 |
A182 F6 |
A182 F304 |
A182 F316 |
A182 F304L |
A182 F316L |
|
Seat |
A182 F6 |
A182 F6 |
A182 F304 |
A182 F316 |
A182 F304L |
A182 F316L |
|
Seat Ring |
PTFE,POM or HF(Co-CrA) |
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|
Gasket |
PTFE or Flexible Graphite and stainless Steel |
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|
O-Ring |
VITON |
VITON |
VITON |
VITON |
VITON |
VITON |
|
Trunnion |
A182 F6 |
A182 F6 |
A182 F304 |
A182 F316 |
A182 F304L |
A182 F316L |
|
Spring |
AISI 6160 17-17PH(inconel for NACE)Ni-Cr Alloy |
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|
Drain plug |
A182 F6 |
A182 F6 |
A182 F304 |
A182 F316 |
A182 F304L |
A182 F316L |
|
Bolt |
A193 B7 A320 L7 A193 B8 A193 B8M |
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|
Stem beating |
PTFE or Stainless Steel and Graphite |
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|
Stem seat |
PTFE |
PTFE |
PTFE |
PTFE |
PTFE |
PTFE |
|
Stem spring |
17-17PH(inconel for NACE)Ni-Cr Alloy |
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|
Small ball |
A182 F304 A182 F316 |
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|
Trunnion beating |
PTFE or Stainless Steel and Graphite |
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|
Plug |
A105 |
A182 F6 |
A182 F304 |
A182 F316 |
A182 F304L |
A182 F316L |
|
Spring seat |
A105 |
A182 F6 |
A182 F304 |
A182 F316 |
A182 F304L |
A182 F316L |
|
Bonnet Bolt |
A193 B7 A320 L7 A320 B8 A193 B8M |
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|
Bonnet Nut |
A194 2H A194 4 A194 8 |
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|
Pin |
Carbon Steel or Alloy Steel |
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|
Gland |
A182 F6 |
A182 F6 |
A182 F304 |
A182 F316 |
A182 F304L |
A182 F316L |
|
Gland flange |
A216 WCB |
A352 LCB |
A351 CF8 |
A351 CF8M |
A351 CF3 |
A351 CF3M |
|
Stem packing |
PTFE or Flexible Graphite |
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|
Bonnet |
A216 WCB A105 |
A352 F6 A350 LF2 |
A351 CF8 |
A351 CF8M |
A351 CF3 |
A351 CF3M |
Dimensions
|
Model |
Sizes |
Dimensions(mm) |
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|
inch |
DN |
L |
D |
D1 |
D2 |
b |
Z-Φd |
H |
W |
|
|
Q41F/H/Y-150Lb |
1/2″ |
15 |
108 |
89 |
60.5 |
35 |
12 |
4-Φ15 |
68 |
115 |
|
3/4″ |
20 |
117 |
98 |
70 |
43 |
12 |
4-Φ15 |
75 |
130 |
|
|
1″ |
25 |
127 |
108 |
79.5 |
51 |
12 |
4-Φ15 |
85 |
150 |
|
|
11/4″ |
32 |
140 |
117 |
89 |
64 |
13 |
4-Φ15 |
96 |
190 |
|
|
11/2″ |
40 |
165 |
127 |
98.5 |
73.2 |
15 |
4-Φ15 |
107 |
230 |
|
|
2″ |
50 |
178 |
152 |
120.7 |
92 |
16 |
4-Φ19 |
118 |
240 |
|
|
21/2″ |
65 |
190 |
177.8 |
139.7 |
104.7 |
18 |
4-Φ19 |
145 |
280 |
|
|
3″ |
80 |
203 |
190.5 |
152.4 |
127 |
19 |
4-Φ19 |
160 |
310 |
|
|
4″ |
100 |
229 |
229 |
190.5 |
157 |
24 |
8-Φ19 |
185 |
330 |
|
|
5″ |
125 |
356 |
254 |
216 |
185.7 |
26 |
8-Φ22 |
230 |
600 |
|
|
6″ |
150 |
394 |
279 |
241.3 |
216 |
26 |
8-Φ22 |
260 |
800 |
|
|
8″ |
200 |
457 |
343 |
298.5 |
270 |
29 |
8-Φ22 |
310 |
1000 |
|
|
10″ |
250 |
533 |
406 |
362 |
324 |
31 |
12-Φ25 |
350 |
1200 |
|
|
Model |
Sizes |
Dimensions(mm) |
||||||||
|
inch |
DN |
L |
D |
D1 |
D2 |
b |
Z-Φd |
H |
W |
|
|
Q41F/H/Y-300Lb |
1/2″ |
15 |
140 |
95 |
66.5 |
35 |
15 |
4-Φ15 |
72 |
115 |
|
3/4″ |
20 |
152 |
117 |
82.5 |
43 |
16 |
4-Φ19 |
75 |
130 |
|
|
1″ |
25 |
165 |
124 |
89 |
51 |
18 |
4-Φ19 |
85 |
150 |
|
|
11/4″ |
32 |
178 |
133 |
98.5 |
64 |
19.5 |
4-Φ19 |
95 |
180 |
|
|
11/2″ |
40 |
190 |
156 |
114.3 |
73.2 |
21 |
4-Φ22 |
110 |
230 |
|
|
2″ |
50 |
216 |
165 |
127 |
92 |
23 |
8-Φ19 |
120 |
240 |
|
|
21/2″ |
65 |
241 |
190.5 |
149.4 |
104.7 |
26 |
8-Φ22 |
150 |
280 |
|
|
3″ |
80 |
283 |
210 |
168.5 |
127 |
29 |
8-Φ22 |
165 |
310 |
|
|
4″ |
100 |
305 |
254 |
200.2 |
157 |
32 |
8-Φ22 |
190 |
330 |
|
|
5″ |
125 |
381 |
279 |
235 |
185.7 |
35 |
8-Φ22 |
240 |
600 |
|
|
6″ |
150 |
403 |
318 |
270 |
216 |
37 |
12-Φ22 |
270 |
800 |
|
|
8″ |
200 |
502 |
381 |
330 |
270 |
42 |
12-Φ25 |
315 |
1000 |
|
|
10″ |
250 |
568 |
445 |
387.5 |
324 |
48 |
16-Φ29 |
380 |
1200 |
|
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