Water Cast Iron Air Release Valve, Valve Size: 6 inch, Size: 1/2""

Releases air during charging and admits air during emptying of water main linesAvailable in double orifice and single orificeSingle orifice are available from 15mm to 50mm in screwed and flanged typeDouble orifice are available from 40mm to 150mm in flanged type onlyRubber coated timber balls are dynamically balanced to give trouble free workingIsolating valves if required are available optionally Test Pressure (Hydraulic): Body : 1.5 MPa Seat : 1.0 MPa 1 Bar = 0.1 MPa = 1.019 Kg/cm² = 14.50 PSI K-520 Cast Iron Double Orifice Kinetic Air Valve Type DK ISI Marked. K-521 Cast Iron Single Orifice Air Valve Screwed ISI Marked. K-522 Cast Iron Single Orifice Air Valve Flanged ISI Marked. K-523 Cast Iron Double Orifice Kinetic Air Valve Type DK ISI Marked with Sluice Valve & Gear. K-524 Tamper Proof Cast Iron Double Orifice Kinetic Air Valve with SS floats. K-525 Tamper Proof Ductile Iron Double Orifice Kinetic Air Valve with SS floats. K-525A Triple Action, Single Chamber, Double Jet air valve with SS Floats. K-526 Cast Iron Double Orifice Air Valve as per G&K H-7 design.