between stoppers [ ] and [ ], the valve remains in its last position. for "; dn valves and larger, a -way hydraulic relay valve [ ] quickens valve response. the manual selector [ ] enables local manual closing. ir- - -z - " - " ( ) standard irrigation cover & diaphragm are unfitted to attributes i, m. other...
: zinc-cobalt plated steel control accessories: brass tubing and fittings: reinforced plastic and brass pc ae - r - " - " ( ) standard irrigation cover & diaphragm are unfitted to attributes i, m. other attributes available on request. -- iso- iso- is (iso / holes) ansi- a ansi- a jis- j bst-d bd grooved...
prevent downstream pressure [p ] from rising above pilot setting. the hydraulic relay valve [ ] closes upon pressure rise command, shutting the main valve. the downstream cock valve [ ] enables manual closing. ir- - -r - " - " ( ) standard irrigation cover & diaphragm are unfitted to attributes i, m. other...
factory setting range: - bar; - psi setting ranges vary according to specific pilot spring. please consult factory. materials: body and cover: polyester coated cast or ( "; dn and larger) ductile iron spring: stainless steel diaphragm: nylon fabric reinforced nr with rugged insert bolts, studs and nuts...
grooved ( - "; dn - only) vi cast iron (up to "; dn ) i ductile iron ( "; dn & above) c how to order please specify the requested valve in the following sequence: (for more options, refer to ordering guide.) metal control accessories r large control filter f valve position indicator( ) i flow stem( ) m other...