supply of supply of nitrogen cylinder capacity 50 l, 200 bar with pressure gauge fitted with fire rated automatic fire suppression activation.supply of nitrogen cylinder capacity 50 l, 200 bar with pressure gauge fitted with fire rated automatic fire suppression activation.,supply of nitrogen cylinder capacity 50 l, 200 bar with pressure gauge fitted with fire rated automatic fire suppression activation soleniod valve with manual override lever duly filled with nitrogen a t 200 bar + or - 10%sanrok drg. nos 2ed-245-1914 (cylinder) 2ed-245-3546 (pressure gauge) 2ed- 245-3547 (valve).make: sanrok [ warranty period: 30 months after the date of delivery ] ]