FIELD: manufacture of fittings. SUBSTANCE: valve has body where shut-off member is suspended forming control chamber together with body. Control chamber is brought in communication with inlet branch pipe through passage and with outlet branch pipe through control valve fitted with electromagnetic actuator. In control chamber rod is located whose one end is engageable with shut-off member. Other end of rod is kinematically linked with auxiliary electric motor. EFFECT: enhanced reliability. 1 dwg
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Authors
Dates
1997-06-10—Published
1993-07-07—Filed