Accumulators

Hydraulic accumulator production

We design and produce accumulators according to the customers’ specifications, delivered in most types of materials. For example limit switches, burst disc, external and internal position sensor, accumulators for subsea use, etc. Accumulators are produced in the dimensions Ø 40, Ø 700 mm to 1500 bars (the upper limit for type approval). The accumulators > 1L are CE approved according to PED-61-B. The approvals also cover pressure tanks.

SERVI PAC - Standard range, pressure 250 bar

The piston accumulators are used in applications for shock absorption, braking systems, energy storage, backup power and volume compensation.

• CE- approved as per PED 97/23/EC
• Working pressure 250 bar
• Sizes from 1 to 400 litres
• ø80 to ø360 mm
• Easy to connect gasbottles
• Piston indicators can be fitted

SERVI PAC - Standard range, pressure 350 bar

The piston accumulators are used in applications for shock absorption, braking systems, energy storage, backup power and volume compensation.

• CE- approved as per PED 97/23/EC
• Working pressure 350 bar
• Sizes from 0,2 to 220 litres
• ø50 to ø250 mm
• Easy to connect gasbottles
• Piston indicators can be fitted

SERVI PAS - Stainless steel accumulators

The piston accumulators are used in applications for shock absorption, braking systems, energy storage, backup power and volume compensation.

Connection. gas side G1/4+G1/2 - delivered without valve

• CE- approved as per PED 97/23/EC
• Design code EN14359:2006+A1
• ATEX Certified
• ø100 - 0,5 to 15 litres - wp=250 bar - tp=358 bar
• ø180 - 10 tp 40 litres - wp=242 bar - tp=346 bar
• ø195 - 10 to 100 litres - wp=242 bar - tp=346 bar
• Design temp. -20 to +80 dgr.C
• Easy to connect gasbottles
• Piston indicators can be fitted

Accumulator Accessories and seal kit

Clamps
Seal kit standard Piston Accumulators PAC
Seal Kit SERVI/Hystat Accumulator,
Also to fit Olaer/Oiltech/FCH HP-Accumulators

Piston accumulators,r serie HPS11 ø180, - ø200

• "Heavy Duty" ø180mm:
• 8-50 litres
• 250 bar
• "Heavy Duty" ø200mm:
• 8-50 litres
• 250 bar
• 350 bar
• 415 bar
• (HPS11 med ø80 til og med ø160 er utgått)

Bladder accumulator series AS

EPE produces bladders in one piece. This ensures a consistent quality that give long and reliable operation in tough applications. Bladders are produced in many rubber qualities and to almost all types of accumulators on the market.

• Max. working pressure 360 bar
• Low pressure series 30 - 80 bar
• PED97/23/EC
• Available with Atex 94/9/EC
• All bladder types are fatigue tested with 1 mill. cycles between 90 and 200 bar (precharging = 65 bar) 10 cycles/min at/45 dgr.C.

Bladdder accumulator, offshore design

Bladder accumulator offshore construction

• Accumulators with stainless steel oil and gas valve
• Rilsan coting available

Bladder accumulator US

In our own accumulator factory in Houston, Texas, we assemble bladder accumulators suitable for the US market as well as other applications where US-style accumulators are used globally, such as BOP’s and offshore control systems.
We also have spare parts for most US manufacturers.

See our full catalogue and contact Servi for a quote.

Bladder compensators

Copensators for all applications
Sizes from 0,7 to 1000 litres
Stainless or Carbon steel
Standard or tailor made for applications

Bladder accumulator US

In our own accumulator factory in Houston, Texas, we assemble bladder accumulators suitable for the US market as well as other applications where US-style accumulators are used globally, such as BOP’s and offshore control systems.
We also have spare parts for most US manufacturers.

See our full catalogue and contact Servi for a quote.

Low cost, welded diaphragm accumulators - Type AMS

Servi Group, with more than 100 years’ experience in hydraulics and constant innovation, is now able to offer a new range of welded diaphragm accumulators – AMS. The accumulator body is manufactured with electron beam welded, high strength alloy steel. Inside is fitted a Nitrile (perbunan) diaphragm for the separation between gas and fluid. Specially designed for a variety of applications, the AMS is a low costs alternative that is less expensive to replace than would a repairable accumulator be to repair. Therefore, the AMS-range is preferably used as shock absorbers and pulsation dampers for industrial and mobile applications, as well as safety and pressure holding functions, when volume requirements are small.

Diaphragm accumulators series AMM / AM

Diaphragm accumulators available in screwed design for easy replacement of diaphragm. The accumulator is supplied in carbon steel and stainless steel in different pressure ratings.

Accessories for accumulators

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Accumulator Stations

Servi fabricates HPU’s and accumulator stations. We can make a simple wall-mount for a single accumulator, or a complex system with piston accumulators, back-up bottles and indication system and other instrumentations. Our various sites make systems for industry, marine and offshore installations, with the appropriate approvals, paint systems etc. We have standard frames or tailor made systems. Contact us and we can discuss your requirements