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Hydraulic pumps, cylinders, and valves

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NEW ranges of especially protected hydraulic pumps, cylinders, and valves have been announced by Enerpac for use in extreme environments where they may be subjected to wet conditions, aggressive corrosion or high temperatures.

The compact but powerful high-pressure (700 bar) hydraulic tools include nickel-plated steel cylinders with Viton seals, nickel-plated relief and check valves and anodised hand pumps purpose-built for environments such as food and chemical processing, petro-chemical, pulp and paper, mining, construction, and welding/high temperature areas.

All are compatible with the latest hydraulic technology announced in Enerpac's new Enerpac E325a Industrial Catalogue, which includes new families of aluminium cylinders weighing half their steel equivalents, among Australasia's biggest selection of (700 bar) hydraulic cylinders in hundreds of models with capacities from 5-1000 tonnes.

The new ranges comprise:

* RC-V single-acting cylinders in capacities from 5-25 tonnes, strokes from 54-158mm and weights from 1.5-10kg. The nickel-plated steel cylinders' Viton seals provide heat and chemical resistance, while their plunger wipers reduce contamination and extend cylinder life.

Where higher capacity-to-weight ratios are required, corrosion-resistant RAC aluminium cylinders are available up to 150 tonnes capacity. These feature composite bearings on all moving surfaces to guarantee no metal-to-metal contact, to resist side loads.

* Two-speed hand pumps with a rapidly extending first stage to speed positioning of cylinder plungers, then a more powerful second stage to perform work required in situations that are often rugged or remote.

The P-142 ALSS and P-392 ALSS feature Viton seals, anodised aluminium pump reservoirs, plastic encapsulated pump bodies and stainless steel pump pistons and inserts that will not corrode or rust.

Weighing just 2.1 and 4.1kg respectively, they have internal pressure relief valves for overload protection and handle locks for easy carrying. The larger pump has a second handle for two-hand use.

* V66NV manual check valve for additional safety in load holding with cylinders and V-152NV pressure relief valves to limit pressures within hydraulic cylinders over a pre-selected adjustment range of 55-700 bar.

Enerpac's new tools for extreme environments are among some of the world's most advanced, safe and versatile high-force industrial lifting, professional bolting and pumping technologies featured in the E325e catalogue as Enerpac stages its biggest-ever expansion Down Under.

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