tender for procurement of motorized programmable timer drain ball valve & pneumatic operated esp fluidizing ball valve installed at ph-iv, 2x250 mw stps, sarni , motorized programmable timer drain ball valve with ss adapter specifications:- maximum compressor capacity:- unlimited interval time:- 4 minutes - 24 hours (programmable) discharge time:- 7.5 seconds - 15 minutes (programmable) supply voltage options:- 230 vac 50/60 hz pressure range:- 0 - 40 bar min/max operating temperature:- 00 c/ + 600 c housing material:- abs plastic fr grade environmental protection:- ip65 (nema 4) indicators:- led to indicate valve open, lcd indicating program cycle test button:- yes valve type:- motorized ball valve valve material:- nickel plated brass body/ stainless steel ball stainless steel version available valve seals:- fpm and teflon in/out ports:- ½ bsp or npt valve orifice:- ½ anti blockage system:- yes back-up:- battery back-up pack protecting against power failure, usable for air, oil & water at high pressure with free replacement warranty of 30 months after installation make- forbes marshall, jorc, atlas copco, trident, auma, rotork or equivalent. , pneumatic operated esp fluidizing ball valve with automation arrangement limit switch & solenoid valve specification:-as per drawing attached make- asco, rotex, l&t or equivalent