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OZK-1m(30) valve with electromechanical actuator

Type of climatic execution and placement category U3 according to GOST 15150-69. Limit values of operating temperature of ambient air from -30°С to +40°С under condition of absence of direct influence of atmospheric precipitations.
General information
The valve is certified in accordance with the procedure established by the legislation. Fire resistance limit of the valve OZK-1m(30):
- in double-acting valve mode -EI30.
- in the mode of normal open (fire-retarding) valve - Ei30;
Valve OZK-1m(30) (hereinafter referred to as the valve) is used for general exchange ventilation systems used for removal of gases and smoke after fire from premises equipped with gas, aerosol or powder fire extinguishing systems, according to the requirements of SP 7.13130.2009. The damper can be used in ventilation systems as a fire protection, normally open (NO), to block the spread of fire and combustion products in places where the ducts cross the enclosures of premises protected by gas, aerosol or powder fire extinguishing systems. The valve is produced in rectangular cross-section. The valve is operable in any spatial orientation. The valve should not be installed in ventilation ducts of rooms of A and B category of explosion-fire hazard, local suctions of explosion-fire hazardous mixtures. The valve is made of galvanised steel. The valve consists of body, damper, actuator and protective cover* protecting the actuator during installation and operation of the valve.