22 November, 2017

Hydrotechnik expands gas charging test kit product range

17 August, 2016

Hydrotechnik UK has expanded its range of gas charging and testing kits. Five kits now make up the range from simple test and charging kits for under £200 through to the new World Wide Universal kit, which caters for over 95 per cent of the world’s accumulators. A new detailed catalogue showcases the full range.


There are typically two types of accumulator design; bladder and piston. In both cases, compressed nitrogen gas is used as a damper or energy store. Typically, bladder style accumulators are used in low pressure systems and piston type in higher pressure applications. There are many manufacturers of accumulators and many different charging and testing valve connections utilised.

Ensuring that the pre-charge pressure is set correctly is the most important factor for both the correct functioning and ensuring accumulator life is not compromised. The care with which pre-charging is set and maintained is therefore an important factor. If the user tends to be careless about gas pressure and relief valve settings, or adjusts system pressures without making corresponding adjustments to pre-charge pressure, service life may be shortened and system performance compromised.

Wide suitability

Hydrotechnik UK reports that it has developed a range of kits that suits over 95 per cent of the world’s accumulator types and valve connections. Specific kits for Minimess, Schrader or M28 x1.5 metric male ‘allen’ key accumulator valves are all catered for. One of the key aspects of Hydrotechnik’s kits is the range of pre-charge testing and charging devices available. The top of the range 5401 charging device allows service engineers to safely test and charge gas accumulators under full system pressure without the loss of gas or pressure.

Hydrotechnik also supplies Minimess Charging and testing points to swap out standard charging valves fitted to accumulators. The benefits of this are claimed to be higher pressure capabilities along with much lower gas leakage rates than standard valves and easy screw on/off connections that are completely safe. If Minimess valves are used on accumulators a low-cost, easy-to-use charging device kit is available for service and maintenance.

All Hydrotechnik UK’s gas charging kits and valves are held in stock for immediate supply. Standard glycerine gauges or digital pressure gauges can also be included in the kits.

www.hydrotechnik.co.uk




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