Description
Vacuum Relief Valve
Technical Requirement
· Protected screens are provided at pressure and vacuum ports to prevent entrance of foreign matters.
· 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, EN1092 or JIS.
· Available materials: Aluminium, carbon steel, stainless steel, special materials on application.
Description
The 7110/8110 Pressure/Vacuum Relief Valve are designed for use on atmospheric and low pressure storage tanks, vent to atmosphere.
The primary function is to protect from damager deformation, and minimize emissions to the environment, as well as loss of product due to evaporation.
Specification
| Setting Pressure /Vacuum | |||
| Setting KPa | 7110/8110 | 7112/8112 | 7113/8113 |
| Set pressure | 0.21～6.9 | 0.2～6.9 | 6.9～13.4 |
| Set vacuum | -0.2～-4.3 | -4.3～-82 | 0.2～-4.3 |
|
7110/7112/7113/7115 Dimensions,mm |
|||||||
| Nominal Size | 2" | 3" | 4" | 6" | 8" | 10" | 12" |
| L | 301 | 368 | 416 | 525 | 675 | 824 | 967 |
| W Width | 160 | 200 | 248 | 290 | 390 | 488 | 584 |
| H1 | 290 | 352 | 393 | 490 | 622 | 746 | 876 |
| H2 | 394 | 422 | 505 | 636 | 870 | 1030 | 1230 |
|
8110/8112/8113/8115 Dimensions,mm |
|||||||
| Nominal Size | 2" | 3" | 4" | 6" | 8" | 10" | 12" |
| L | 322 | 405 | 473 | 620 | 770 | 912 | 1075 |
| W Width | 200 | 248 | 290 | 390 | 488 | 584 | 680 |
| H1 | 335 | 378 | 466 | 613 | 701 | 830 | 956 |
| H2 | 403 | 490 | 615 | 860 | 985 | 1182 | 1225 |
