PURPOSE: as shut-off and regulating devices in water supply, heat supply, ventilation and air-conditioning systems, water treatment and water disposal, in technological pipelines of industrial enterprises and public utility networks, in pipelines with nominal bore DN from 50 to 150 mm inclusive.
OPERATING MEDIA: drinking water, industrial water, hot water, air, neutral liquids and gases, ethylene glycol and propylene glycol up to 45%, natural gas, industrial oils.
HERMETICITY: class A according to GOST 9544-2015 in both directions.T max. working environment - up to +130°C Body material: cast iron ??-25 according to GOST 1412-85 (basic version), cast iron ??-40 according to GOST 7293-85 (optional). Disc material: cast iron BC-40 according to GOST 7293-85 (basic version), corrosion-resistant steel 08?17?13?2 GOST 5632-2014 (optional).
Sealing collar - EPDM, NBR. Pipeline connection - flanged according to GOST 33259-2015. OPTIONS:with control lever, with gearbox, with electric actuator...
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