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The setting pressure rating of safety relief valve

2018-09-07

Setting pressure of safety relief valve, also called opening pressure, is an important parameter of safety relief  valve operation. Setting of setting pressure is directly related to the safety of equipment operation.
 
The setting pressure rating of safety relief valve is as below:
PN(MPa) The setting pressure of Safety relief valve  Pk(MPa)
1.6 >0.1~0.16 >0.16~0.25 >0.25~0.4 >0.4~0.6 >0.6~0.8 >0.8~1.0 >1.0~1.3 >1.3~1.8
2.5 >1.3~1.6 >1.6~2.0 >2.0~2.5          
4.0 >1.3~1.5 >1.6~2.0 >2.0~2.5 >2.5~3.2 >3.2~4.0      
6.4 >2.5~3.2 >3.2~4.0 >4.0~5.0 >5.0~6.4        
10.0 >3.2~4.0 >4.0~5.0 >5.0~6.4 >6.4~8.0 >8.0~10.0      
16.0 >8.0~10.0 >10~13 >13~16          
32.0 >13~16 >16~19 >19~22 >22~25 >25~29 >28~32    

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