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The accumulator bladder is an important component of a bladder-type accumulator and plays a crucial role in storing energy, stabilizing pressure, and absorbing shocks. It is made of rubber and possesses flexibility, minimal deformation, high strength, and resistance to oil, acids, and alkalis. To facilitate replacement, the top of the accumulator is generally designed with a large opening structure.
Accumulator working principle:
When the pressure in the hydraulic system increases, the liquid enters the accumulator and compresses the gas inside it. Conversely, when the pressure decreases, the compressed gas expands, pushing the liquid back into the system circuit, thereby storing and releasing energy.
Common materials used for accumulator bladders:
1. Nitrile rubber (NBR): It has good oil resistance, wear resistance, and elasticity, making it suitable for general hydraulic oil applications.
2. Butyl rubber (IIR): It is oil-resistant, heat-resistant, and has good aging resistance, making it cost-effective. It is suitable for high-temperature hydraulic oil environments, such as turbine fuel systems.
3. Fluorocarbon rubber (FKM): It offers excellent oil resistance, high-temperature resistance, and good chemical corrosion resistance. It is suitable for environments that require high oil and temperature resistance, such as hydraulic systems using synthetic hydraulic oils.
4. Hydrogenated nitrile rubber (HNBR): It combines the advantages of NBR and FKM, providing oil resistance, high-temperature resistance, and good ozone resistance. It is widely used in the hydraulic and automotive industries.
Note: The choice of material for the accumulator bladder significantly affects its performance and suitability for different environments.
| Rubber Bladder Specification for Reference | ||||
| Bladder Size | Optional Bladder Material | Length | Connection Size | Accumulator Diameter |
| 20L | NBR / IIR / FKM | 380mm | M30×1.5mm | Φ299mm |
| 25L | NBR / IIR / FKM | 470mm | M30×1.5mm | Φ299mm |
| 40L | NBR / IIR / FKM | 740mm | M30×1.5mm | Φ299mm |
| 63L | NBR / IIR / FKM | 1180mm | M30×1.5mm | Φ299mm |
| 80L | NBR / IIR / FKM | 1440mm | M30×1.5mm | Φ299mm |
| 100L | NBR / IIR / FKM | 1880mm | M30×1.5mm | Φ299mm |
Yoyik offers different types of Hydraulic Accumulators for industrial users:
Rubber Bladder NXQ-A-10/31.5-L-EH
Bladder Acummulator Low Bfpt NXQ A10/10 F/Y
Bladder NXQ.A-25/31.5-L-EH
Bladder NXQ-AB-100/10
Accumulator Bladder For Eh Oil Tank NXQ-AB-10/31.5-L-E
Rubber Bladder For St Low Pressure Accumulator NXQ A-25/31.5-L-EH-S
Low Voltage Accumulator Assembly 0508.919T0602.AW
Seal Kit For Accumalator NXQA.25/31.5
Accessories For Accumulator NXQ-A1.6/20-H-HT
Screw Pump HSNH210-36N
Accumulator Bladder NXQ A 10/31.5
Accumulator Bladder And Seal Ring NXQ-A-16/20-L-Y
Non-Return Valve S10P5.0
Seal Kit NXQ-A-10/20-L-EH
Dc Lub Oil Pump 125LY23-4
Standard & solid packaging ensures your goods safety.
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