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Accumulators Avaliable at Neotech
  - Standard Bladder Accumulators
  - Transfer Barrier Bladder Accumulators
  - High Pressure Bladder Accumulators
  - Stainless Steel Accumulators
  - High Pressure Stainless Steel Accumulators
  - Piston Accumulators
  - Diaphragm Accumulators
  - Pulsation Dampers
  - Surge Alleviators
  - Hydraulic Silencers or Attennuators
  - Hydra-Cushions

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Type of Accumulator Available With Neotech (Contd..5)

Piston Accumulators

Advantages of Using a Piston Accumulator

  • Large pressure differentials are acceptable between maximum and minimum pressures
  • Vessels can be sized to exact volume requirements.
  • Horizontal orientation is acceptable
  • Aggressive fluids can be considered.
  • Non catastrophic failure if all the gas is lost.
  • Piston position indicators can be provided if exact location of piston is required.
  • arge volumes of gas back up bottles can be fitted.
Piston Accumulator

General Specifications

Capacities Pressure
FCH Piston Accumulators are available in any capacity between 0.5 litres & 1350 litres.

Capacity is only limited by pressure and available material.

FCH Standard range is 1 litre up-to and including 150 litre.

All units are made to order, and can be custom made to suit specific space envelopes.
Piston accumulators are available in any pressure between 5 bars & 2500 bars.

Pressure rating is dependent on capacity and / or available materials.
Materials Design
Available in a variety of materials such as carbon steel, stainless steel, duplex and super duplex stainless steel & aluminium. Standard units are designed to BS5500 and can be supplied with Lloyds release.  Other Lloyds Register design codes and approvals can be supplied such as ASME VIII Div1 (not 'U' stamped), DNV & Stoomwezen.
Fluid End Connections Gas End Connections / Fittings
To suit customer requirements :

NPT, BSP, Autoclave, SAE Flange Face.
To suit customer requirements - NPT, BSP, Autoclave Type, Transfer Barrier Ports, Gas Charging Valves (Brass and Stainless), Burst Disc and Fuse Plug Assemblies.
Seals Piston Position Indicator Devices
For low or high temperature applications.

Materials typically - Nitrile, PTFE, Viton, E.P., H-ecopur, Ecotal.
Carbon Steel Options:

1. Tailrod - Magnetic operation with visual flapper or magnetic indicator switch.

2. Tube Indicator - Magnetic operation with visual flapper or magnetic indicator switch.

3. Tailrod - Operating a cam / switch.

4. Proximity switches.

Stainless Steels Options.

1. Piston Magnet - Magnetic operation with     visual flapper or magnetic indicator switch.

2. Proximity Switches.
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Updated Sept 19, 2001
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