The 7130-8130 Pressure Relief Valve are designed for use on atmospheric and low pressure storage tanks, vents to atmosphereor pipe away. The primary function is to protects tanks from damager deformation, and minimizes emissions to the environment, as well as loss of product due to evaporation.

Model

7130、8130 Pipe away /Weight loaded
7135、8135 Pipe away /Spring loaded
7136、8136 Vent to atmosphere /Weight loaded
7138、8138 Vent to atmosphere /Spring loaded

Design Features 

Sizes available 2″~12″(DN50~DN300);                                                          
The 7130 series outlet ports is same to inlet;
The 8130 series outlet ports is one pipe size larger than inlet flange to optimize flow capacity；       
Vent to atmosphere/Pipe away；
The weather hood and cover are easily removed for inspection and maintenance；
Protective screens are provided at pressure and vacuum ports to prevent entrance of foreign matter；
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

7130、7135、7136、7138 Dimensions, mm

8130、8135、8136、8138 Dimensions, mm