Diaphragm accumulators are a cost effective option for numerous functions involving energy storage, shock absorption or pulsation dampening in a hydraulic or fluid system. They are well suited for applications where smaller fluid volumes and flow rates are adequate and that require or involve:
- Compact design
- Low weight
- Flexible mounting positions
- Extremely quick shock response
- Low cost
- Low lubricity fluids, like water

Specifications
| Type | Diaphragm Accumulator |
| Model Code Description | SBO210-2,8E1/663U-210AB |
| Fluid Port Connection | Male / Female Combination Connection |
| Weight | 1.8 kg8.2 lb |
| Size (L) | 2.8 |
| Material | Low Temp Carbon Steel |
| Series | SBO 210 |
| Manufacturing Process | Welded |
| Connection Size | G3/4 BSPP Female Plus M33x1.5 DIN 13 Male |
| Repairable | No |
| Rechargeable | Yes |
| Country of Installation | PED/CE |
| Diaphragm Compound | ECO (Hydrin) |
| Shell Construction and Gas Port Design | Welded Construction, rechargeable, ZP Gas Valve Version 1 (M 28 x 1.5) |
| Shell | Low temperature carbon steel (≤ -20 ºF) |
| Fluid Port | Low temperature carbon steel (≤ -20 ºF) |
| Thread (British Standard Pipe Parallel (BSPP) – Female) | G3/4 |
| Thread (DIN 13 – Male) | M45 x 1.5 |
| Flow | 40 gpm150 L/min |
| Volume Capacity | 0.740 gal2.800 L |
| MAWP | 3000 psi210 bar |
| Effective Gas Volume | 170 in³ |
| Division | 19 |
| BUn | EA |
Dimensions

| Diameter | 6.57 in167 mm |
| Height | 10.74 in273 mm |
| Dimension Q | 40 gpm |
| Dimension A | 8.94 in227 mm |
| Hex Size | 1.81 in46 mm |
Construction
Both types of diaphragm accumulators have the same basic construction. The difference is in the shell. The welded version has a shell that is electron-beam welded, and therefore cannot be repaired. The threaded type has a shell made up of two halves (top and bottom) which are held together by a threaded locking ring.
Corrosion Protection
For use with certain aggressive or corrosive fluids, or in a corrosive environment, ZP offers protective coatings and corrosive resistant materials (i.e. stainless steel) for the parts that interface with the fluid or are exposed to the hostile environment.
Mounting Position
Diaphragm accumulators are designed to mount in any position. In systems where contamination is a problem, we recommend a vertical mount with the fluid port oriented downward.
System Mounting
ZP diaphragm accumulators are designed to be screwed directly onto the system. We also recommend the use of our mounting components, to minimize the risk of failure due to system vibrations.
Application
Some common applications of diaphragm accumulators are:Agricultural Machinery & EquipmentForestry EquipmentMachine ToolsMining Machinery & EquipmentMobile & Construction EquipmentOff-Road Equipment
Diaphragm Materials
Not all fluids are compatible with every elastomer at all temperatures, therefore, ZP offers the following materials:NBR (Standard Nitrile)LT-NBR (Low Temperature Nitrile)ECO 30 (Epichlorohydrin)IIR (Butyl)FP
Additional Information
Diaphragm Accumulators have been successfully applied in both industrial and mobile applications for energy storage, maintaining pressure, leakage compensation, and vehicle hydraulic systems.
ZP manufactures two types of diaphragm accumulators:Non-repairable (welded)Repairable (threaded)
If you work with gas cylinder or information about our company. You can communicate with us on the website. Our official website is www.zpcylinder.com. Our cost-effective products are very popular.
Zhuolu High Pressure Vessel Co., Ltd.














