High Tonnage Cylinders: AM-LD 700 Series HEAVY DUTY DESIGN FOR HIGH CYCLE LIFE OPERATION DOUBLE ACTING – HYDRAULIC RETURN. 700 BAR OPERATING PRESSURE. HYDRAULIC RETURN WITH PREMIUM DESIGN AND QUALITY. MANUFACTURED IN WESTERN AUSTRALIA AND EXPORTED AROUND THE WORLD. Cylinders may be “dead ended” without damage. Hard chrome plated piston rod provides reduced wear on both piston and gland nut. Built in safety relief valve prevents accidental over-pressurization of the retract end of cylinder. Each cylinder has two 3/8 NPTF female half couplers. In full compliance with Australian standards. Afkos standard range swivel caps components are available for all AM range of cylinders. Lifting eyes fitted with all cylinders in this range. Larger stroke cylinders are manufactured to project requirements.