API Flanged End Cryogenic Gate Valve (GADZ41H)
Product Description
Cryogenic Valve is often used for the working condition with very low temperature.Generally, such valve is often designed with Extended Stem or Bonnet so as to prevent the Stem Packing being damaged because of low tempeature. Besides this, the valve is also made with the special material and done cryogenic treatment so as to make it resist low temperature.
Specification
Cryogenic Valve Material selection:
1. LCB Material is suitable for working temperature up to -46 Deg C.
2. LCC Material is suitable for working temperature up to -49 Deg C.
3. CF8 Material is suitable for working temperature up to -110 Deg C.
4. CF8M Material is suitable for working temperature up to -196 Deg C.
Class 150~600 Cryogenic Gate Valve
Bolted bonnet, extended stem, Threaded or welded seat ring
Full bore, OS&Y, rising stem, flexible wedge, pressure relief hole on seat, Stainless trim
ASTM A352 LCB, LC1, LC2, LC3, LC4, A351 CF8, A351 CF8M
Standards compliance
Design and Manufacture: API 600, API 6D, BS1414
Face to face (end to end): ANSI B16.10, API 6D
Flanged connection: 2~24 inches to ANSI B16.5
Butt welded end: ANSI B16.25
Test and inspection: API 598, API 6D
Product Details
Main Parts and Material.
No |
Part Name |
Material |
1 |
Body |
A352 LCB |
A351 CF8 |
A351 CF8M |
A351 CF3 |
A351 CF3M |
2 |
Bonnet |
A351 LCB |
A351 CF8 |
A351 CF8M |
A351 CF3 |
A351 CF3M |
3 |
Wedge |
A351 LCB |
A351 CF8 |
A351 CF8M |
A351 CF3 |
A351 CF3M |
4 |
Stem |
A182 F304 |
A182 F304 |
A182 F316 |
A182 F304L |
A182 F316L |
5 |
Seat Ring |
A182 F304 |
/ |
/ |
/ |
/ |
6 |
Back Seat |
A276 304 |
/ |
/ |
/ |
/ |
7A |
Gasket |
304+graphite |
304+graphite |
316+graphite |
304L+graphite |
316L+graphite |
7B |
Gasket |
Soft steel |
A182 F304 |
A182 F316 |
A182 F304L |
A182 F316L |
8 |
Bolt |
A193 L7 |
A193 B8 |
A193 B8M |
A193 B8 |
A193 B8M |
9 |
Nut |
A194 4 |
A194 8 |
A194 8M |
A194 8 |
A194 8M |
10 |
Packing |
Graphite |
Graphite/PTFE |
Graphite/PTFE |
Graphite/PTFE |
Graphite/PTFE |
11 |
Gland |
A276 410 |
A276 304 |
A276 316 |
A276 304L |
A276 316L |
12 |
Gland flange |
A352 LCB |
A351 CF8 |
A351 CF8 |
A351 CF8 |
A351 CF8 |
13 |
Eyebolt |
A193 L7 |
A193 B8 |
A193 B8 |
A193 B8 |
A193 B8 |
14 |
Nut |
A194 4 |
A194 8 |
A194 8 |
A194 8 |
A194 8 |
15 |
Pin |
A276 410 |
A276 304 |
A276 304 |
A276 304 |
A276 304 |
16 |
Grease fitting |
/ |
/ |
/ |
/ |
/ |
17 |
Stem nut |
Bronze |
Bronze |
Bronze |
Bronze |
Bronze |
18 |
Nut |
Carbon steel |
Stainless steel |
19 |
Handwheel |
Iron |
Iron |
20 |
Nut |
Carbon steel |
Carbon steel+Zn |
Main Dimensions and Weight.
Class 150.
Size |
in |
2 |
2 1/2 |
3 |
4 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
28 |
30 |
36 |
40 |
42 |
48 |
52 |
mm |
50 |
65 |
80 |
100 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
700 |
750 |
900 |
1000 |
1050 |
1200 |
1300 |
A1 |
in |
7.0 |
7.5 |
8.0 |
9.0 |
10.5 |
11.5 |
13.0 |
14.0 |
15.0 |
16.0 |
17.0 |
18.0 |
20.0 |
24.0 |
24.0 |
28.0 |
30.0 |
31.0 |
34.0 |
36.0 |
mm |
178 |
190 |
203 |
229 |
267 |
292 |
330 |
356 |
381 |
406 |
432 |
457 |
508 |
610 |
610 |
711 |
762 |
813 |
864 |
914 |
A3 |
in |
8.5 |
9.5 |
11.12 |
12.0 |
15.87 |
16.5 |
18.0 |
19.75 |
22.5 |
24.0 |
26.0 |
28.0 |
32.0 |
36.0 |
36.0 |
40.0 |
42.0 |
43.0 |
46.0 |
54.0 |
mm |
216 |
241 |
283 |
305 |
403 |
419 |
457 |
502 |
572 |
610 |
660 |
711 |
813 |
914 |
914 |
1016 |
1067 |
1092 |
1168 |
1372 |
H |
in |
15.4 |
16.7 |
18.1 |
22.8 |
30.6 |
38.4 |
46.4 |
54.6 |
60.0 |
68.7 |
79.1 |
91.7 |
109.6 |
127.4 |
134.5 |
161.8 |
183.9 |
174.4 |
217.5 |
227 |
mm |
390 |
425 |
461 |
580 |
776 |
976 |
1178 |
1387 |
1523 |
1745 |
2010 |
2330 |
2748 |
3236 |
3417 |
4109 |
4670 |
4430 |
5525 |
5766 |
W |
in |
7.9 |
7.9 |
7.9 |
9.8 |
11.8 |
14.0 |
17.7 |
17.7 |
19.7 |
22.0 |
13.8 |
17.7 |
17.7 |
22.0 |
22.0 |
27.9 |
31.5 |
31.5 |
35.4 |
35.4 |
mm |
200 |
200 |
200 |
250 |
300 |
355 |
450 |
450 |
500 |
560 |
350 |
450 |
450 |
560 |
560 |
710 |
800 |
800 |
900 |
900 |
WT(kg) |
RF |
22 |
25 |
30 |
45 |
85 |
134 |
202 |
290 |
370 |
534 |
669 |
810 |
1430 |
2067 |
2189 |
3563 |
4703 |
4600 |
7110 |
8500 |
BW |
20 |
21 |
28 |
42 |
73 |
111 |
181 |
265 |
340 |
504 |
619 |
770 |
1513 |
2157 |
2259 |
3633 |
4733 |
4625 |
7050 |
8550 |
Class 300.
Size |
in |
2 |
2 1/2 |
3 |
4 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
28 |
30 |
36 |
40 |
42 |
48 |
mm |
50 |
65 |
80 |
100 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
700 |
750 |
900 |
1000 |
1050 |
1200 |
A1 |
in |
8.5 |
9.5 |
11.12 |
12.0 |
15.88 |
16.5 |
18.0 |
19.75 |
30.0 |
33.0 |
36.0 |
39.0 |
45.0 |
53.0 |
55.0 |
68.0 |
76.0 |
78.0 |
87.2 |
mm |
216 |
241 |
283 |
305 |
403 |
419 |
457 |
502 |
762 |
838 |
914 |
991 |
1143 |
1346 |
1397 |
1727 |
1930 |
1981 |
2215 |
A3 |
in |
8.5 |
9.5 |
11.12 |
12.0 |
15.88 |
16.5 |
18.0 |
19.75 |
30.0 |
33.0 |
36.0 |
39.0 |
45.0 |
53.0 |
55.0 |
68.0 |
76.0 |
78.0 |
87.2 |
mm |
216 |
241 |
283 |
305 |
403 |
419 |
457 |
502 |
762 |
838 |
914 |
991 |
1143 |
1346 |
1397 |
1727 |
1930 |
1981 |
2215 |
A2 |
in |
9.12 |
10.12 |
11.75 |
12.62 |
16.55 |
17.12 |
18.62 |
20.37 |
30.62 |
33.62 |
36.62 |
39.75 |
45.88 |
54.0 |
56.0 |
69.12 |
/ |
/ |
/ |
mm |
232 |
257 |
298 |
321 |
419 |
435 |
473 |
518 |
778 |
854 |
930 |
1010 |
1165 |
1372 |
1422 |
1756 |
/ |
/ |
/ |
H |
in |
16.2 |
17.7 |
19.0 |
23.7 |
32.0 |
40.2 |
48.8 |
56.8 |
66.1 |
78.4 |
85.9 |
93.5 |
112.6 |
130.0 |
148.5 |
169.8 |
188.6 |
198.1 |
217.4 |
mm |
412 |
450 |
483 |
601 |
813 |
1020 |
1239 |
1443 |
1679 |
1993 |
2181 |
2376 |
2860 |
3302 |
3772 |
4312 |
4791 |
5032 |
5522 |
W |
in |
7.9 |
7.9 |
8.8 |
9.8 |
14.0 |
15.7 |
17.7 |
19.7 |
17.7 |
17.7 |
22.0 |
22.0 |
27.9 |
35.4 |
35.4 |
30.0 |
30.0 |
30.0 |
30.0 |
mm |
200 |
200 |
224 |
250 |
355 |
400 |
450 |
500 |
450 |
450 |
560 |
560 |
710 |
900 |
900 |
760 |
760 |
760 |
760 |
WT(kg) |
RF |
29 |
40 |
48 |
74 |
142 |
220 |
327 |
496 |
694 |
984 |
1306 |
1546 |
2360 |
3660 |
4350 |
6850 |
8460 |
9500 |
12400 |
BW |
24 |
35 |
37 |
64 |
122 |
172 |
232 |
391 |
644 |
834 |
1051 |
1226 |
1910 |
3010 |
3460 |
4990 |
6160 |
6800 |
9000 |
Class 600
Size |
in |
2 |
2 1/2 |
3 |
4 |
6 |
8 |
10 |
12 |
14 |
16 |
18 |
20 |
24 |
28 |
30 |
36 |
40 |
42 |
mm |
50 |
65 |
80 |
100 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
700 |
750 |
900 |
1000 |
1050 |
A1 |
in |
11.5 |
13.0 |
14.0 |
17.0 |
22.0 |
26.0 |
31.0 |
33.0 |
35.0 |
39.0 |
43.0 |
47.0 |
55.0 |
61.0 |
65.0 |
82.0 |
94.0 |
98.0 |
mm |
292 |
330 |
356 |
432 |
556 |
660 |
787 |
838 |
889 |
991 |
1092 |
1194 |
1397 |
1594 |
1651 |
2083 |
2387 |
2489 |
A3 |
in |
11.5 |
13.0 |
14.0 |
17.0 |
22.0 |
26.0 |
31.0 |
33.0 |
35.0 |
39.0 |
43.0 |
47.0 |
55.0 |
61.0 |
65.0 |
82.0 |
94.0 |
98.0 |
mm |
292 |
330 |
356 |
432 |
556 |
660 |
787 |
838 |
889 |
991 |
1092 |
1194 |
1397 |
1594 |
1651 |
2083 |
2387 |
2489 |
A2 |
in |
11.62 |
13.12 |
14.12 |
17.12 |
22.12 |
26.12 |
31.12 |
33.12 |
35.12 |
39.12 |
43.12 |
47.25 |
55.38 |
61.5 |
65.5 |
82.62 |
/ |
/ |
mm |
295 |
333 |
359 |
435 |
562 |
664 |
791 |
841 |
892 |
994 |
1095 |
1200 |
1406 |
1562 |
1663 |
2098 |
/ |
/ |
H |
in |
18.5 |
19.5 |
22.1 |
26.7 |
37.2 |
43.7 |
52.1 |
65.9 |
72.1 |
82.9 |
98.0 |
104.8 |
116.9 |
140.2 |
152.8 |
179.5 |
207.6 |
240.0 |
mm |
471 |
495 |
561 |
677 |
944 |
1110 |
1323 |
1675 |
1832 |
2106 |
2489 |
2662 |
2970 |
3562 |
3880 |
4560 |
5273 |
6098 |
W |
in |
8.8 |
8.8 |
9.8 |
11.8 |
17.7 |
19.7 |
24.8 |
22.0 |
22.0 |
27.9 |
27.9 |
31.5 |
35.4 |
30.0 |
30.0 |
30.0 |
30.0 |
30.0 |
mm |
224 |
224 |
250 |
300 |
450 |
500 |
630 |
560 |
560 |
710 |
710 |
800 |
900 |
512 |
512 |
512 |
512 |
512 |
WT(kg) |
RF |
43 |
60 |
70 |
134 |
285 |
448 |
680 |
1068 |
1286 |
1841 |
2585 |
3108 |
4688 |
6050 |
6945 |
9740 |
10550 |
10950 |
BW |
28 |
45 |
60 |
104 |
205 |
313 |
535 |
973 |
1166 |
1511 |
2150 |
2558 |
3898 |
4980 |
5710 |
8140 |
8540 |
8770 |
Product Parameters
Standard
Item |
Face to face |
Flange standard |
Standard |
ANSI B16.10 |
ANSI B16.15 |
Main Parts and Parts Materials
Part name |
Body,bonnet |
Stem,disc |
Packing |
Yoke |
Material |
A352-LCB
A352-LC3
A351-CF8 |
A182-F304 |
Polytetrafluo-roethylene |
A216-WCB |
Main Techincal Specification
Type |
Nominal pressure |
Test pressure at normal temperature P2 (MPa) |
Test pressure of sealing at low temperature (MPa) |
Working temperature and applicable medium |
Shell |
Sealing (gas) |
Back seal |
DZ41Y-150(Lb) |
150 |
3.0 |
0.6 |
2.2 |
0.6 |
46 ºC, ammonia liquid miterogen, propane |
- 101 ºC, ethylene Carbon dioxide |
Methane - 196 ºC Liquefied natural gas (LNG) |
DZ41Y-600(Lb) |
600 |
15.0 |
0.6 |
11.0 |
0.6 |
View of the factory