systems pumps systems reservoirs pilots and accessories buildings & construction building & constructions potable fire protection hvac treated water waterworks waterworks control valves air valves water meters e-line pressure tank fire protection fire protection classic deluge pressure control deluge...
control flow control load holding directional electro-proportional solenoid operated logic element cavitysavertm (multi-function) specialty " - select - flex series flow control reducing relief reducing / relieving sequence metric units u.s. units reducing/relieving cartridges generate pdf matching...
control flow control load holding directional electro-proportional solenoid operated logic element cavitysavertm (multi-function) specialty " - select - flex series flow control reducing relief reducing / relieving sequence metric units u.s. units reducing/relieving cartridges generate pdf matching...
/ " through " shall be pressure rated to psi, - / " through " and all flanged valves shall be pressure rated to psi @ °f. with a limited lifetime warranty as manufactured by spears® manufacturing company. all cpvc standard marine ball valves / " through " shall be type approved by the american bureau...
to the upper control chamber [ ] harnessing valve differential pressure to power the diaphragm actuator to a more closed position. the downstream solenoid [ ] vents upper control chamber pressure resulting in a more open main valve. needle valves [ ] & [ ] control the closing and opening speed of the...