Data Sheet

ENVIRO-SEAL Bellows Seal
D101641X012
Product Bulletin
59.1:070
December 2012
5
Table 5. Pressure-Temperature Rating for N06625 Bellows
VALVE SIZE,
NPS
PRESSURE, BAR
Temp., _C 38 93 149 204 260 316 371 427
1/2, 3/4, 1, 1-1/2, and 2
1Ply
2Ply
37.9
68.9
34.9
63.4
33.0
60.0
31.1
56.5
29.6
53.8
28.5
51.7
17.1
50.3
27.3
49.6
3&4
1Ply
2Ply
23.9
43.1
21.6
39.6
20.4
37.5
19.2
35.3
18.3
33.6
17.6
32.3
17.1
31.4
16.9
31.0
VALVE SIZE,
NPS
PRESSURE, PSIG
Temp., _F 100 200 300 400 500 600 700 800
1/2, 3/4, 1, 1-1/2, and 2
1Ply
2Ply
550
1000
506
920
479
870
451
820
429
780
413
750
402
730
396
720
3&4
1Ply
2Ply
346
625
313
575
296
544
279
512
265
488
255
469
248
456
245
450
Table 6. Pressure-Temperature Rating for N06022 Bellows
VALVE SIZE,
NPS
PRESSURE, BAR
Temp., _C 38 93 149 204 260 316 371 427
1/2, 3/4, 1, 1-1/2, and 2
1Ply
2Ply
37.9
68.9
36.8
66.8
36.0
65.5
34.9
63.4
33.4
60.6
32.6
59.3
31.5
57.2
30.3
55.1
3&4
1Ply
2Ply
23.9
43.1
22.7
41.8
22.3
40.9
21.6
39.6
20.6
37.9
20.1
37.0
19.4
35.8
18.7
34.5
VALVE SIZE,
NPS
PRESSURE, PSIG
Temp., _F 100 200 300 400 500 600 700 800
1/2, 3/4, 1, 1-1/2, and 2
1Ply
2Ply
550
1000
534
970
523
950
506
920
484
880
473
860
457
830
440
800
3&4
1Ply
2Ply
340
625
330
606
323
594
313
575
299
550
292
537
282
519
272
500
Figure 1. Typical ENVIRO-SEAL Packing Systems
PACKING BOX
STUDS
PACKING
RING
SPRINGS
ANTI-
EXTRUSION
RING
LANTERN
RING
A6290
39B4611-A
PACKING BOX
STUDS
SPRINGS
PACKING
FOLLOWER