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Accumulator Accessories

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Accumulator accessories are tools and equipment used to enhance the performance of hydraulic accumulators. Examples of accumulator accessories are safety blocks, repair tools and adapters, mounting hardware, gas boosters, and charging and gauging assemblies.

Safety blocks safeguard hydraulic accumulators. They possess a shut-off valve that segregates an accumulator from a hydraulic system for safety or maintenance reasons. Bladder pull rods, core tool, and a spanner wrench are among hydraulic accumulators’ repair tools. Mounting bases, clamps, u bolts, and spacers are mounting accessories for hydraulic accumulators that enable simple, secure, and special fastenings for static and dynamic stress applications. Charging and gauging assemblies ensure safe and secure pressurization and depressurization of accumulators. Gas boosters assist in the pre-charging of accumulators up to the rated pressure of the booster despite whether the source is pre-filled nitrogen gas bottles or an in-house nitrogen generating system.

2. Safety Blocks

Hydraulic accumulators’ safety blocks serve as the valve vital for the maintenance and safeguarding of the hydraulic system as well as emergency shut-off devices or pressure relief valves in the case of a hydraulic system malfunction or over-pressurization. It is also responsible for isolating the accumulator during maintenance of the system.

Safety blocks merge all the features required to safeguard, confine, and discharge a hydraulic accumulator. The shut-off valve rotates through 90 degrees to separate the accumulator instantly from the hydraulic system, in an emergency or for maintenance purposes. Once separated, the accumulator can be released to a tank via a manual or electrically controlled discharge valve. A PED-approved tamper-proof pressure relief valve provides additional system protection.

Safety blocks allow a safe, simple connection of an accumulator to a hydraulic system. They are applicable for use with all types of accumulators like bladder, piston and diaphragm. Their compact, multi-function design saves space and lessens connections. By reducing the time required for installation and maintenance procedures, safety blocks increase productivity and functionality, while system downtime is kept to a minimum. A full range of adapters is available to suit all standard port sizes and styles designed to simplify installation. The safety block should always be attached as close as possible to the accumulator. Only qualified personnel should perform the commissioning and maintenance of safety blocks and similar equipment.

3. Repair Tools and Adapters

Types of repair tools and adapters used for hydraulic accumulators are bladder pull rods, core tools, and spanner wrenches.

Bladder pull rods come in different sizes and lengths to fit the different sizes of bladder accumulators. The pull rods are connected to the gas valve of the bladder to facilitate assembly into the shell.

The function of a core tool is for removing and reinstalling the valve core. It is also used to ream the valve seat and fix threads.

A spanner wrench is for removing hydraulic poppet assembly from the accumulator shell. It fits all standard size bladder accumulators.

4. Mounting Accessories

Mounting accessories are tools that enable a secure and straightforward fastening of all hydraulic accumulators. These include u bolts, mounting clamps, and mounting bases. U Bolts are for horizontal or vertical mounting without a matching base. They are sold as a complete kit with stop nuts and washers.

Mounting clamps with rubber lining are for accumulator stabilization and electrical insulation. For the best support, combine the clamps with mounting bases.

5. Charging and Gauging Assemblies

Hydraulic accumulators employ charging and gauging equipment in order to charge bladder, piston or diaphragm type of accumulators with nitrogen. The use of these charging and gauging assemblies is also crucial in determining the pre-charge pressure of an accumulator to safeguard the efficiency and life of your hydraulic system.

The handling and loading of the equipment must be performed by qualified personnel. The accumulator should first be isolated from the hydraulic system, and the fluid side discharged before taking any readings or pressurizing with nitrogen. Use only nitrogen to pressurize the accumulator and never charge the accumulator with Oxygen.

There is an extensive selection of charging and gauging equipment for accumulators as follows:

●   3000 PSI Accumulators – AI-CG3-3KT-SS Charging & Gauging Kit are only for use on accumulators with pressure not higher than 3000 PSI. Use dry nitrogen gas only.

AI-CG3-3KT-SS Charging and Gauging Kit

●   4000, 5000, & 6000 PSI Accumulators – AI-CG6-6KT-SS Kit are only for use on accumulators with pressure not higher than 6000 PSI. Use dry nitrogen gas only.

●   10000 PSI Accumulators – AI-CG10-10KT-SS Kit are only for use on accumulators with pressure not higher than 10000 PSI. Use dry nitrogen gas only.

●   3000 and 6000 PSI Monitors units are designed to be permanently mounted on the valve stem of the accumulator to monitor the pressure of the hydraulic system continuously. Nitrogen pre-charge can only be determined when the hydraulic pressure is 0 PSI.

●   Nitrogen Regulators The use of a nitrogen regulator is highly recommended to users pre-charging an accumulator. Nitrogen regulators guarantee that nitrogen is added to the accumulator at a safe rate, thus protecting the bladder from damage and keeping the air temperature inside the accumulator from increasing during compression. There are different types of nitrogen regulators to suit your accumulator.

6. Gas Boosters

Nitrogen Gas Boosters function as a support in the pre-charging of any accumulator up to the desired pressure of the booster. There’s a full line of nitrogen gas boosters that will suit your requirement and will fit any type and size of the accumulator, be it bladder, piston, diaphragm, and float type.

The primary function of a gas booster is to boost the pressure of storage cylinders from high-pressure to outlet pressures as high as 10000 psi. The goal is to secure a steady supply of maximum outlet pressure even if the storage pressure declines to 500 psi. Bootstraps act as the compressed air source where the gas boosters derive its high-pressure nitrogen supply. Gas valves and gauges are attached to the booster and mounted on an aluminum tube frame.

Accumulator accessories, as detailed above, are necessary for isolating, charging, mounting, monitoring, installing, and replacing most manufacturers’ hydraulic accumulator units. For assistance in determining the exact type and size of the accumulator for your application, contact us for help.

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Accumulator accessories are tools and equipment necessary for confining, charging, setting up, following, fixing, and replacing most manufacturers’ hydraulic accumulators. Safety blocks, repair tools and adapters, mounting hardware, gas boosters, and charging and gauging assemblies are among them. Accumulator accessories come in different types and sizes to fit your particular type of accumulator, be it bladder, piston, diaphragm, and float. The handling and charging of these accessories must be performed by qualified personnel. Use only nitrogen to pressurize the accumulator and never charge the accumulator with oxygen. For assistance in determining the exact type and size of the accumulator for your application, contact us for help.

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