This is a safety device which quickly intercepts gas flow when the pressure it is monitoring reaches a pre-set limit due to any anomaly in the system
0497 
-
Standard Specification:
Pmax 1 bar
Inlet - Outlet thread ½” , ¾” , 1” ISO228/1
Connection DN25 - Sliding Aluminium flange PN10
Setting range 20 - 600 mbar - Standar spring supplied 200 - 600 mbar
Screw Plugs 1/8''
Working Temperature - 20 °C - + 60°C
Use Not aggressive gases of three families – Natural gas – LPG –
Town gas – Air -
Materials:
Complete Body Die - Cast Aluminium Gd - AlSi12Cu - EN AB 46100
Diaphragms NBR 60Sh - DvGW EN 549 -
Option:
SPBK1-1RV Black 20 - 120 mbar
SPG1-1rv Green 100 - 450 mbar
SPBR1 - 1RV Brown 200 - 600 mbar
| TYPE | DIMENSIONS | DESCRIPTION | P MAX |
|---|---|---|---|
| RV015-1B | ½” | Relief valve | 1 bar |
| RV020-1B | ¾” | Relief valve | 1 bar |
| RV025-1B | 1'' | Relief valve | 1 bar |
| RVD25-1B | DN25 | Relief valve | 1 bar |
US 19458 
GB 13114 
BR 12447 
CA 10452 
AU 8278 
IE 5837 
IN 1609 
NZ 1598 
