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ZARYA-3 with thermo bulb


 Specifications of the ZARYA unit
Cylinder volume, gal: 0,79 ±0,04 
Operating pressure, at ambient temperature 20±2°С, Psi: 232,06 
Minimum operating pressure, Psi: 145,04
Test pressure, Psi: 797,71
Inside diameter of shut-off valve, in: 0.7086
Response time delay (from the moment the starting impulse is applied) sec, not more: 2
Discharge time at temperature 20±2°С, sec, not more: 10
Membrane burst pressure , Psi: 725±72.50
Rest of gas fire extinguishing agents after discharge No
Length of unit, in, not more 27.55 27,55
Quantity of actuations, times, not less 10
Specifications of electric start-up of the unit
Actuating current, А 0.7+0,1
Duration of voltage application, not lower 0.05
Internal resistance, Ohm from 2 to 4.5
Maximum current when checking circuit integrity (safe current) should not exceed 0.05 А
DC voltage, V from 3.6 up to 24
Type of start up of unit
Automatic start

occurs by means of destroying the thermo bulb of the shut-off valve of the unit by an electromechanical inducer (one-shot device) when an electric triggering pulse is supplied from the fire control device;

Manual start

occurs by means of destroying the thermo bulb of the shut-off valve by an electromechanical inducer (one-shot device) when an electric triggering pulse is supplied from the starting device by pressing the button of the manual start.

Self-contained start:

occurs be means of destroying of the thermo bulb of the shut-off valve under the influence of an increase of ambient temperature above 154,4 °F.

Overal dimentions
Height, in: 12.01 (13.58*)
Weight (without gas fire extinguishing agents), lb, not more 9.7(10.8*)
Diameter, in: 8.27

Maximum filling of unit with gas fire extinguishing agents
HFC-227ea 6,61 lb
FK-5-1-12 7,72 lb
Specifications of fire extinguishing agents
Designation of gas fire extinguishing agents Chemical designation (formula) of gas fire extinguishing agents Symbolic designation
HFC-227ea Heptafluoropropane          (CF3CHFCF3) HFC-227ea




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    More than 140 control parameters during production

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