{"id":6861,"date":"2024-09-26T14:14:44","date_gmt":"2024-09-26T14:14:44","guid":{"rendered":"https:\/\/gdsautomatisme.com\/?post_type=product&p=6861"},"modified":"2024-09-26T14:14:44","modified_gmt":"2024-09-26T14:14:44","slug":"how-series-dual-counterbalance-valves-for-open-centre","status":"publish","type":"product","link":"https:\/\/gdsautomatisme.com\/fr\/produit\/how-series-dual-counterbalance-valves-for-open-centre\/","title":{"rendered":"HOW SERIES DUAL COUNTERBALANCE VALVES FOR OPEN CENTRE"},"content":{"rendered":"

Technical data<\/p>\n

\n\n\n\n\n\n\n\n\n
Model<\/td>\nHOW-3\/8-50<\/td>\nHOW-1\/2-80<\/td>\nHOW-3\/4-120<\/td>\nHOW-1-160<\/td>\n<\/tr>\n
Flow Range (l\/min)<\/td>\n50<\/td>\n80<\/td>\n120<\/td>\n160<\/td>\n<\/tr>\n
Max.Peak Pressure (MPa)<\/td>\n31.5<\/td>\n<\/tr>\n
Pilot Ratio<\/td>\n4.3:1<\/td>\n4.3:1<\/td>\n6.8:1<\/td>\n3\uff1a1<\/td>\n<\/tr>\n
Valve body\uff08Material\uff09Surface treatment<\/td>\n\uff08Steel body\uff09Surface clear zinc plating<\/td>\n<\/tr>\n
Oil cleanliness<\/td>\nNAS1638 class 9 and ISO4406 class 20\/18\/15<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>","protected":false},"excerpt":{"rendered":"

It provides static and dynamic control of load by regulating the flow IN and OUT of the actuator, through ports C1 and C2.This valve module includes 2 sections, each one composed by a check and a relief valve pilot assisted by pressure in the opposite line: the check section allows free flow into the actuator, then holds the load against reverse movement; with pilot pressure applied at the line across, the pressure setting of the relief is reduced in proportion to the stated ratio until opening and allowing controlled reverse flow. Back-pressure at V1 or V2 is additive to the pressure setting in all functions.<\/p>\n

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