Model
7120、8120 Weight loaded
7122、8122 Vacuum Spring loaded
7123、8123 Pressure/Vacuum Spring loaded
7125、8125 Pressure Spring loaded
Design Features
Sizes available 2″~12″(DN50~DN300);
The 7120 series outlet ports is same to inlet;
The 8120 series outlet ports is one pipe size larger than inlet flange to optimize flow capacity；
Pipe away；
Protective screens are provided at pressure and vacuum ports to prevent entrance of foreign matter；
The Flame Arrester、Inlet Pipe、Steam Jacket、Blowing Hole、Lining or Humidity Absorber are options to client；
Designed and tested according to API 2000；
The flanges are accordance with ANSI B16.5,or EN1092、JIS;
Available Materials：Aluminum、Carbon Steel、Stainless Steel、Special Materials on Application；
Setting Pressure/Vacuum
Setting KPa
|
7120、8120
|
7122、8122
|
7123、8123
|
7125、8125
|
Set pressure
|
0.2~6.9
|
0.2~6.9
|
6.9~103.4
|
6.9~103.4
|
Set Vacuum
|
-0.2~-4.3
|
-4.3~-82
|
-0.2~-4.3
|
-4.3~-82
|
7120、7122、7123、7125 Dimensions, mm
Nominal Size
|
2x2″
[50x50]
|
3x3″
[80x80]
|
4x4″
[100x100]
|
6x6″
[150x150]
|
8x8″
[200x200]
|
10x10″
[250x250]
|
12x12″
[300x300]
|
L
|
360
|
406
|
445
|
546
|
696
|
853
|
995
|
W Width
|
200
|
200
|
230
|
280
|
345
|
406
|
485
|
H1
|
340
|
359
|
417
|
523
|
648
|
789
|
923
|
H2
|
422
|
441
|
525
|
660
|
893
|
1055
|
1257
|
A
|
138
|
138
|
153
|
166
|
216
|
273
|
320
|
B
|
226
|
245
|
280
|
350
|
420
|
515
|
590
|
8120、8122、8123、8125 Dimensions, mm
Nominal Size
|
2x3″
[50x80]
|
3x4″
[80x100]
|
4x6″
[100x150]
|
6x8″
[150x200]
|
8x10″
[200x250]
|
10x12″
[250x300]
|
12x14″
[300x350]
|
L
|
360
|
435
|
494
|
641
|
798
|
940
|
1116
|
W Width
|
200
|
230
|
280
|
345
|
406
|
485
|
533
|
H1
|
340
|
402
|
498
|
640
|
744
|
875
|
984
|
H2
|
422
|
510
|
636
|
884
|
1010
|
1209
|
1253
|
A
|
138
|
153
|
166
|
216
|
273
|
320
|
381
|
B
|
226
|
265
|
327
|
411
|
470
|
542
|
616
|