Electric trunnion ball valve is used to connect or cut off medium in pipeline. It is applicable for water, steam, oil, nitric acid, acetic acid, etc.
Standards
Design: API 608, API 6D, BS 5351
Face to face: ASME 16.10, API 6D
End connection: ASME B16.5, ASME B16.47, ASME B16.25
Test & inspection: API 598, API 6D, BS 6755
Materials
|
Part Name |
Carbon Steel |
Stainless Steel |
||||
|
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) |
|||||
|
Gasket |
PTFE or Flexible Graphite and stainless Steel |
|||||
|
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 |
|||||
|
Drain plug |
A182 F6 |
A182 F6 |
A182 F304 |
A182 F316 |
A182 F304L |
A182 F316L |
|
Bolt |
A193 B7 A320 L7 A193 B8 A193 B8M |
|||||
|
Stem beating |
PTFE or Stainless Steel and Graphite |
|||||
|
Stem seat |
PTFE |
PTFE |
PTFE |
PTFE |
PTFE |
PTFE |
|
Stem spring |
17-17PH(inconel for NACE)Ni-Cr Alloy |
|||||
|
Small ball |
A182 F304 A182 F316 |
|||||
|
Trunnion beating |
PTFE or Stainless Steel and Graphite |
|||||
|
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 |
|||||
|
Bonnet Nut |
A194 2H A194 4 A194 8 |
|||||
|
Pin |
Carbon Steel or Alloy Steel |
|||||
|
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 |
|||||
|
Bonnet |
A216 WCB A105 |
A352 F6 A350 LF2 |
A351 CF8 |
A351 CF8M |
A351 CF3 |
A351 CF3M |
Dimensions
|
PN1.0(MPa) |
|||||||||
|
Nominal Diameter(DN) |
L |
d1 |
D |
D1 |
D2 |
b |
Z-d |
H |
Weight |
|
125 |
356 |
125 |
245 |
210 |
185 |
22 |
8-18 |
542 |
90 |
|
150 |
394 |
150 |
280 |
240 |
210 |
22 |
8-23 |
572 |
130 |
|
200 |
457 |
200 |
335 |
295 |
265 |
24 |
8-23 |
636 |
203 |
|
250 |
533 |
250 |
390 |
350 |
320 |
26 |
12-23 |
726 |
245 |
|
300 |
610 |
300 |
440 |
400 |
368 |
26 |
12-23 |
859 |
399 |
|
350 |
686 |
350 |
500 |
460 |
428 |
26 |
16-23 |
927 |
498 |
|
400 |
762 |
400 |
565 |
515 |
482 |
26 |
16-25 |
1080 |
818 |
|
450 |
864 |
450 |
615 |
565 |
532 |
28 |
20-25 |
1120 |
1037 |
|
500 |
914 |
500 |
670 |
620 |
585 |
28 |
20-25 |
1150 |
1255 |
PN2.5(MPa)
Nominal Diameter(DN)
L
d1
D
D1
D2
b
Z-d
H
Weight
100
305
100
230
190
160
24
8-23
416
78
125
381
125
270
220
188
28
8-25
542
107
150
403
150
300
250
218
30
8-25
572
145
200
502
200
360
310
278
34
12-25
736
220
250
568
250
425
370
332
36
12-30
890
280
300
648
300
485
430
390
40
16-30
910
450
350
762
350
550
490
448
44
16-34
1020
570
400
838
400
610
550
505
48
16-34
1080
920
450
914
450
660
600
555
50
20-34
1120
1140
500
991
500
730
660
610
52
20-41
1150
1360
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