FIELD: manufacture of fittings; smooth control of flow rate of working medium. SUBSTANCE: valve has body with inlet and outlet pipe unions, spindle connected with wedge-shaped tappet which is provided with transverse passage for flow of working medium, two ball shut-off members engageable with surface of tappet and handwheel. Shut-off members are nonmagnetic and have different diameters, tappet is made from magnetic material. EFFECT: enhanced reliability. 3 dwg
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Authors
Dates
1998-02-27—Published
1995-03-22—Filed