Bladder Type Accumulator
Bladder Accumulators from Dynamic Forge & Fittings are engineered for high-response hydraulic applications that demand rapid energy discharge, precise pressure control, and reliable damping of pulsations. A durable elastomer bladder separates the gas and hydraulic fluid, ensuring smooth operation with minimal gas loss. These accumulators are ideal for systems with frequent cycling, requiring quick reaction time, stable performance, and long-term dependability.
Why Choose Dynamic Bladder Accumulators
- Fast pressure response ideal for dynamic and high-cycling hydraulic systems
- High-strength shell construction ensures safety and extended service life
- Premium bladder materials suited for various fluids, temperatures, and industries
- Maintenance-friendly design with quick bladder replacement capability
- Engineered for consistent performance with stable pressure characteristics and excellent flow handling
Technical Specifications:
| Parameter | AA – ASME Bladder | ASLV – Large Volume Bladder | AM – Screwed Repairable (Diaphragm) | AMW-P – Non-Rechargeable Diaphragm | AMW-M – Rechargeable Diaphragm | APC – Piston Non-Repairable | AP – Piston Repairable | STD – Standard Bladder |
| Design | Seamless / Fabricated shell | Fabricated shell | Screwed shell, repairable | Welded shell, non-repairable | Welded shell, non-repairable | Floating piston, non-repairable | Floating piston, repairable | Seamless / Fabricated shell |
| Design Standard | ASME | EN-14359, ASME | EN-14359, ASME | EN-14359 | EN-14359 | EN-14359, ASME | EN-14359, ASME | EN-14359, ASME |
| Nominal Capacity | 1/6 – 15 Gallons | 150 – 575 Ltrs | 0.1 – 2.5 Ltrs | 0.075 – 1.4 Ltrs | 0.075 – 5 Ltrs | 0.1 – 8 Ltrs | 0.25 – 1500 Ltrs | 0.2 – 575 Ltrs |
| Max Pressure (PS) | 1000 – 15000 PSI | 16 – 35 Bar | 350 Bar | 40 – 250 Bar | 40 – 350 Bar | 250 Bar | 220 – 1000 Bar | 16 – 690 Bar |
| Test Pressure (PT) | 1.3 × PS | 1.43 × PS (PED), 1.3 × PS (ASME) | 1.43 × PS (PED), 1.3 × PS (ASME) | 1.43 × PS | 1.43 × PS | 1.43 × PS (PED), 1.3 × PS (ASME) | 1.43 × PS (PED), 1.3 × PS (ASME) | 1.43 × PS (PED), 1.3 × PS (ASME) |
| Temperature Range | −20°C to +80°C | −20°C to +80°C | −20°C to +80°C | −20°C to +80°C | −20°C to +80°C | −20°C to +80°C | −20°C to +80°C | −20°C to +80°C |
| Allowable Pre-Ratio (P2/P0) | 04:01 | 04:01 | 06:01 | 01:08 | 1 : 4 to 1 : 8 | 08:01 | 08:01 | 04:01 |
| Max Flow Rate | Up to 1000 LPM | — | — | — | — | — | — | Up to 1800 LPM |
| Fluid Viscosity Range | 10 – 400 cSt | 10 – 400 cSt | — | 10 – 400 cSt | 10 – 400 cSt | 10 – 400 cSt | 10 – 400 cSt | 10 – 400 cSt |
| Recommended Viscosity | 32 cSt | 32 cSt | — | 32 cSt | 32 cSt | 32 cSt | 32 cSt | 32 cSt |
| Fluid Contamination Class | ISO 4406: 21/19/16 | ISO 4406: 21/19/16 | — | ISO 4406: 21/17/14 | ISO 4406: 21/17/14 | ISO 4406: 20/18/13 | ISO 4406: 20/18/13 | ISO 4406: 21/19/16 |
| Body Material | Carbon Steel / SS | Carbon Steel / SS | Stainless Steel | CS / Low-Temp CS / SS | CS / Low-Temp CS / SS | Carbon Steel | CS / SS | Carbon Steel / SS |
| Bladder / Diaphragm / Piston | NBR / IIR / FKM / EPDM | NBR / IIR / FKM / EPDM | NBR / Viton / EPDM | NBR / ECO / FKM | NBR / ECO / FKM | Aluminium piston | Aluminium / SG Iron / SS piston | NBR / IIR / FKM / EPDM |
| Gas Side Connection | 5/8″ UNF, 1/4″ BSP, 5/16″ UNEF | 5/8″ UNF, 1/4″ BSP | 5/8″ UNF (M) | Dia 8 sealed | M28×1.5 (M) or 5/16″ UNEF | 5/8″ UNF / BSP | 5/8″ UNF / BSP | 5/8″ UNF, 1/4″ BSP |
| Fluid Side Connection | Female threaded / Flanged | Female threaded / Flanged | M18×1.5 (F), 1/2″ BSP | Female threaded / SAE | Female threaded / SAE | Female threaded | Female threaded / Flanged | Female threaded / Flanged |
| Paint | RAL-5010 | RAL-5010 | — | — | RAL-5010 | RAL-5010 | RAL-5010 | RAL-5010 |
| Type Code | AA | ASLV | AM | AMW-P | AMW-M | APC | AP | STD |
