Details: pressure relief valves:supply, delivery and of site brand new any board approved make pressure relief valve of 80mm dia with maximum permisable pressure 16 kg/cm2 with the following specification. 1. valve should have direct sealing diaphragm activated by line pressure and controlled by 2 way diaphragm operated adjustable pilot valve. 2. valve should be installed on a tee junction which should modulates automatically to maintain present inlet pressure and releive the excess pressure out of the network.material of construction: 1. body and bonnet-ductile iron iso 1083 grade 450-10. 2.diaphragm-natural rubber (standard). 3.spring -ss 302. 4.pilot valve - brass iso 426. 5.coating-electrically applied over baked polyster. 6.end connection -flanges bs or is.the outlet of pressure sustaining valve should be connected to sump using mms pipes and fittings;
Sector: Municipality