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★ Export more than 60 countries, widely used in power stations, thermal power station, water works, water works, sewage disposal plants, iron and steel companies and other industries.
The PN25 and PN40 gate valve is one kind of equipment which are widely used on oil, steam pipelines ,urban water supply and drainage , petrochemical plant and coal- fired power plants to connect or truncate the medium in pipelines.
Our PN25 and PN40 gate valve can totally passed the pressure test, which request shell test 1.5 times of nominal pressure and seat test 1.1 times of nominal pressure .
Nominal diameter（mm）：PN25 :DN40～DN2000 ;PN40: DN40～DN500
Suitable medium: Water, oil, etc.
Type of sealing : hard sealing.
Type of control : manual, electric, hydraulic, etc.
Material:grey cast iron, ductile cast iron, alloy cast iron, carbon steel, stainless steel, alloy steel.
Standard: GB, BS, ASME, JIS, DIN, EN, ISO and other country, also can be produced according to user’s requirements.