HYDAC Bladder Accumulators and Bladder Type Accumulator Models for Every System
Techknow Engineering is a bladder accumulator supplier in India and an authorised HYDAC bladder accumulator supplier, offering hydraulic bladder accumulators for industrial and mobile hydraulic systems. A bladder accumulator stores hydraulic energy, stabilises system pressure and protects circuits from shocks and pulsations, keeping demanding applications running smoothly and efficiently.
Built with high-tensile steel shells and durable elastomer bladders, our products are available in pressure ratings from 20 to 1000 bar and volumes from 0.63 to 600 litres. CE, PED, and ASME certified. Serving Steel Plants, Oil & Gas, Power Generation, Cement, Marine, and more — with fast pan-India delivery. 14+ years of industry expertise.
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Authorized HYDAC Distributor in India
Techknow Engineering is an Authorized Distributor for HYDAC in India. As a HYDAC bladder accumulator supplier, we provide genuine HYDAC units built to OEM specifications, with certified quality and direct manufacturer support. Beyond HYDAC, we operate as a trusted distributor and dealer for OLAER bladder accumulators, Parker bladder accumulators, EPE, Bosch Rexroth, BUCCMA, SAIP and TOBUL — giving you a single, reliable source for every bladder type accumulator your hydraulic system needs.
Inside a Bladder Type Accumulator
A bladder type accumulator is a steel pressure shell with a flexible elastomer bladder inside. The bladder holds the nitrogen pre-charge; the space around it holds the oil. Four parts decide how well it performs:
- Shell: forged or welded carbon steel, Ni-plated steel or stainless steel, chosen for pressure rating and environment.
- Bladder: the separating element; its compound must match the fluid and operating temperature.
- Gas valve: used to charge and check nitrogen pre-charge with a charging kit.
- Oil-side poppet valve: closes when the accumulator empties, so the bladder cannot extrude into the oil port.
Because the bladder has very low inertia, a bladder accumulator responds quickly to pressure changes, which makes it the usual choice for shock absorption, pulsation damping and fast energy delivery.
Choosing the Right Bladder Compound
| Compound | Typically used for |
|---|---|
| NBR (nitrile) | Mineral hydraulic oils and most general industrial duty |
| ECO (epichlorohydrin) | Mineral oils where low ambient temperatures are expected |
| IIR (butyl) | Phosphate-ester and other fire-resistant fluids that attack nitrile |
| FKM (Viton) | Higher operating temperatures and some synthetic fluids |
Tell us the fluid and temperature range and we will confirm the correct compound against the manufacturer's compatibility data before you order.
Replacement Bladders and Spares
Most bladder accumulators are designed so the bladder can be changed without replacing the shell. We are one of the accumulator bladder suppliers in India that stock replacement bladders, gas valves, seal kits and repair kits for HYDAC and other brands. See our accumulator spares, or book accumulator service and repair and keep a nitrogen charging kit on site for routine pre-charge checks.
Details to Share for a Quote
- Nominal volume (litres) and maximum working pressure
- Required pre-charge pressure, fluid type and temperature range
- Oil port connection, gas valve type and shell material
- Existing HYDAC bladder accumulator model code (from the nameplate) or other brand and model
- Whether you need a complete unit, a replacement bladder or a repair kit
The Details That Make the Difference.
Behind every reliable hydraulic system is the right accumulator spec. Here is the range we offer as a bladder accumulator supplier in India.
Pressure Range
From 20 bar to 1000 bar operating pressure, our bladder accumulators handle low to ultra-high pressure hydraulic systems without compromise.
Volume Capacity
Available in nominal volumes from 0.63 litres to 600 litres, suitable for compact installations as well as large-scale industrial hydraulic systems.
Flow Rate
Delivers flow rates up to 100 l/s (6000 LPM), ensuring instant fluid discharge and fast hydraulic circuit response when it matters most.
Temperature Tolerance
Rated for operating temperatures from -40°C to +100°C, performing reliably in extreme cold, high-heat, and continuous-duty industrial environments.
Shell & Material Options
Available in Carbon Steel, SS 316L, and Ni-plated Carbon Steel shells with bladder materials including NBR, Butyl, ECO, and Viton.
Certifications
Every unit is CE, PED, and ASME certified — meeting European and American pressure vessel standards for safe, compliant industrial use across India.
Industries That Rely on Our Bladder Accumulators
From rolling mills to wind turbines, a correctly specified bladder type accumulator keeps critical hydraulic circuits stable.
Rolling, Pressing & Casting
Turbine Control & Emergency Backup
Turbine Governing & Dam Gates
Pitch Control & Braking Systems
Excavators, Cranes & Earthmovers
Press Shop, Body Shop & Assembly
Steering & Deck Machinery
Pulp Processing & Paper Production
Crushers, Kilns & Material Handling
Injection & Blow Moulding
Pressure Stabilization & Shutdown
Valve Actuation & Pressure Control
Built for performance. Made for trust.
Certified products, multi-brand supply, and dedicated technical support — backed by over a decade of hydraulic excellence.
14+ Years Experience
Over a decade of hydraulic industry expertise — helping clients select, install, and maintain the right accumulator solution every time.
CE & ASME Certified
Every product we supply carries internationally recognized CE, PED, and ASME certifications — ensuring full compliance and safety for your system.
Pan-India Delivery
From Mumbai to Chennai, Gujarat to Delhi, our reach as a bladder accumulator supplier in India covers every corner of the country — with certified units and spares delivered fast.
Expert Technical Support
Our engineers guide you from product selection to commissioning — providing reliable technical support before, during, and after every purchase.
Multi-Brand Supply
An authorised HYDAC bladder accumulator supplier that also handles OLAER, EPE, Bosch Rexroth, Parker Hannifin, NXQ, FOX, SAIP and TOBUL — trusted global brands compatible with your existing hydraulic systems.
Complete After-Sales Service
Unlike accumulator bladder suppliers who only sell parts, we back every order with spare bladders, charging kits, on-site servicing and annual maintenance contracts.
The Right Accumulator for Every Need
Explore our complete product range and find the perfect fit for your hydraulic system.
What Our Clients Say
Trusted by engineers and procurement heads across India's leading industries
Got Questions? We Have Answers.
A hydraulic bladder accumulator is a pressure vessel that stores hydraulic energy using a nitrogen-charged elastomer bladder. It stabilizes system pressure, absorbs shocks, and releases stored fluid instantly when system pressure drops.
In a bladder accumulator, the bladder is pre-charged with nitrogen gas. When hydraulic fluid enters, the gas compresses and stores energy. When pressure drops, the gas expands and forces fluid back into the circuit — delivering instant power.
Our bladder accumulators are available in pressure ratings from 20 bar to 1000 bar, suitable for both low-pressure and ultra-high-pressure hydraulic systems across industries.
All bladder accumulators we supply are CE, PED, and ASME certified — meeting European and American pressure vessel safety standards for compliant industrial use across India.
The recommended formula is P0 = 0.9 × P1, where P1 is the minimum working pressure of your system. Always use dry industrial nitrogen with purity of 99% or above — never oxygen or compressed air.
Check pre-charge within the first week of installation, then every 90 to 120 days during the first year. Once stable, annual checking is sufficient. Regular checks ensure safe and efficient accumulator operation.
A bladder accumulator offers faster response, compact design, and easy bladder replacement — ideal for shock absorption and pulsation damping. A piston accumulator handles larger volumes and slower-response high-pressure applications.
Bladder accumulators are widely used in Steel Plants, Oil & Gas, Power Generation, Cement Plants, Marine & Offshore, Wind Turbines, Mining Equipment, and Plastic Injection Moulding industries across India.
We're an Authorized HYDAC Distributor and one of India's established accumulator bladder suppliers, also supplying OLAER bladder accumulators, Parker bladder accumulators, EPE, Bosch Rexroth, BUCCMA, SAIP, and TOBUL bladder type accumulators — covering OEM-matched sizes, pressure ratings, and elastomer options for both direct replacement and new system design.
In most cases, yes — the bladder can be replaced through the shell opening once the accumulator is isolated, drained and the nitrogen safely released. Share the model code from the nameplate and we will supply the matching bladder or repair kit and can carry out the replacement for you.
Look for a bladder accumulator supplier in India who can supply genuine branded units with certification documents, advise on sizing and bladder compound, stock spare bladders, and provide pre-charge and repair support after installation — not just a one-time sale.
Talk to a Bladder Accumulator Supplier in India
Authorized HYDAC Distributor and trusted supplier for OLAER, Parker and more. Send your bladder accumulator specification or nameplate details for a quote.
Build a Stronger Hydraulic System.
Pair your accumulator with our full range of hydraulic products for complete system reliability.
