Durajack hydraulic jack are build tough with strict ISO 9001 manufacturing processes. all Durajack hydraulic cylinder comply with the criteria set forth in the american society of mechanical engineers standards institute ASME B301.1 standards and certified with ISO 9001:2008.
Durajack carries complete range of Hydraulic Equipment. • Hydraulic cylinders up to 2000 ton • Hydraulic press • Selection of Electrical or air driven and hand hydraulic pumps • Hydraulic bearing puller • Hydraulic torque wrench • Hydraulic bolt tensioner
all durajack hydraulic cylinder are designed to have minimum of a 2-to-1 safety factor on typical material yield strengtht ;
all durajack hydraulic cylinder design is operated through a minimum of 10 cycles of full travel at 110% of rated load, and pressurixed 3 times at 150% of pressure with the cylinder extended to approximately 90% of full stroke, after which the cylinder must be functional at rated load for full stroke and free of leaks.
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