Spunding ValveVAR series stainless steel air release valve with pressure gauge, a self acting devise, or can be manually operated to release co2 of tanks.   A pressure gauge installed to enable the pressure to be monitored with precise numeric value.  Comes with Tri Clamp as standard - Can be made to fit RJT (please contact for details as this will be an extra charge) Material:  Body - 304 Stainless steel    Cover- Specialised tempered glassAvailable in: 1", 1.5", 2" & 2.5"  (Call us for 2" & 2.5" which are to pre order at present)To be installed laterallyTemperature range: Medium