Low-Pressure Hydraulic Accumulator
Engineered for precision pressure management in demanding fluid power systems, the Low-Pressure Hydraulic Accumulator serves as a critical energy storage and stabilization component. Utilizing advanced bladder, piston, or diaphragm technology with inert gas-charging, it efficiently absorbs hydraulic fluid under controlled low-pressure conditions.
This accumulator excels in:
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Smoothing Pump Pulsations
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Dampening System Shocks
-
Compensating for Minor Fluid Leakage or Thermal Expansion
within circuits operating at lower pressure thresholds. It provides essential Auxiliary Energy Backup for emergency functions or actuator sequencing, ensuring operational continuity during pump interruptions or power loss.
Designed for reliability, its robust construction accommodates a wide range of compatible hydraulic fluids and industrial environments. Typical applications include Industrial Automation Controls, Mobile Hydraulic Machinery, Process Fluid Buffering Systems, and Supplementary Power Circuits where consistent pressure maintenance and surge protection are paramount.
By mitigating pressure fluctuations and storing hydraulic energy, this low-pressure solution enhances system efficiency, prolongs component lifespan, and safeguards critical functions across diverse hydraulic architectures.
The following is the design data for this Low Pressure Accumulator :
| DESIGN CODES |
ASME SECT.VIII DIV.1,2021 EDITION
+GOST 34347-2017 PARAGRAPH 7
+PROJECT SPECIFICATIONS. |
| EQUIPMENT SERVICE LIFE/TURNAROUND PERIOD,YEARS |
6 |
| DESIGN WIND |
SP 20.13330.2016 CHAPTER 11&GOST 34283-2017(AREA II) |
| SEISMIC DESIGN |
GOST 34283-2017 |
| SEISMIC INTENSITY OF THE CONSTRUCTION SITE,POINTS |
5 |
| INSTALLATION |
OUTDOOR |
| SIDE |
SHELL |
JACKET OR COIL |
NOTES |
| CAPACITY m³ |
~6.55 |
|
|
FLUID |
NAME |
N2+HC |
|
|
| PHYSICAL STATE |
LIQUID/VAPOR |
|
|
| DENSITY |
kg/m³ |
652/2.0 |
|
|
TEMPERATURE |
DESIGN ºC |
220 |
|
|
| OPERATING ºC |
-10~110 |
|
|
| EXTERNAL ºC |
220 |
|
|
| DATA FOR FATIGUE ANALYSIS |
N°OF CYCLES FOR 25 YEARS |
NOT MORE THAN 1000 |
|
|
| PRESSURE FLUCTUATION MPa |
- |
|
|
| MINIMUM AMBIENT TEMPERATURE |
|
|
|
MINIMUM ALLOWABLE WALL THICKNESS TEMPERATURE ºC@MPa
UNDER DESIGN PRESSURE |
[email protected] |
|
|
PRESURE(GAUGE) |
DESIGN MPa(g) |
0.345 |
|
|
| OPERATING MPa(g) |
0.008(TOP)/0.015(BOTT) |
|
|
| EXTERNAL MPa(g) |
FULL VACUUM |
|
|
| HYDROTEST (VERTICAL/HORIZONTAL) MPa(g) |
0.58/0.63 |
|
|
| CORROSION ALLOWANCE FORA SERVICE LIFE mm |
3.0 |
|
|
| JOINTS EFFICENCY |
SHELL |
1 |
|
|
| HEADS |
1 |
|
|
| INSULATION TYPE/THK. |
IG(FOILED MINERALFIBER)/40 mm |
|
|
| FIREPROOFING |
NO |
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