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 200 - 600 mbarTYPE DIMENSIONS DESCRIPTION P MAX RV032-1B 1 ¼” Relief valve 1 bar RV040-1B 1 ½” Relief valve 1 bar RV050-1B 2'' Relief valve 1 bar RVD32-1B DN32 Relief valve 1 bar RVD40-1B DN40 Relief valve 1 bar RVD50-1B DN50 Relief valve 1 bar
