Hydraulic pump pneumatic wrench 1: hydraulic wrench pneumatic pumps use gas as a power source, explosion-proof, safe, no heat, can work continuously for a long time 2: hydraulic wrench pneumatic pump input pressure is 4-8Bar 3: External hydraulic wrench pneumatic pump relief valve Quad splitter protection tools allow simultaneous use of up to four standard configuration tool for a quick connector to pay, pay, or 4 pay Configuration 2 quick connectors please indicate in the order schematic diagram of the hydraulic pump series pneumatic wrench: Technical parameters: