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Bladder accumulators are a very versatile and cost effective option for numerous types of hydraulic systems involving energy storage, shock absorption, pulsation dampening, leakage loss compensation and volume compensation. They are a first choice for a great variety of general applications and have the widest range of standard sizes and model options. Bladder accumulators also have very quick shock response characteristics in sizes much larger than diaphragm accumulators. The top repairable accumulator permits service and maintenance of the bladder without removing the accumulator from the hydraulic system.
Unit of Measure

Specifications

Type

 N/A Bladder Accumulator

Model Code Description

 N/A SB330TR-10F1/112S-210E

Fluid Port Connection

 N/A SAE Flange

Weight

 N/A 43 kg94 lb

Shell Material

 N/A Carbon Steel

Series

 N/A SB330

Connection Size

 N/A SAE 2 in. (Code 61)

Repairable

 N/A Yes

Design

 N/A Standard (Top Repairable)

Line Connection

 N/A Flanged

Gas Port

 N/A Standard Model, HYDAC Gas Valve Version 4 (8V1 - ISO 4570)

Fluid Port Material

 N/A Carbon Steel

Country of Installation

 N/A USA/ASME

Typical Fluids

 N/A Mineral Oil

Operating Temperature [Min]

 N/A 5 ºF

Operating Temperature [Max]

 N/A 180 ºF

Maximum Working Pressure

 N/A 210 bar3000 psi

Size

 N/A 2.5 gal10 L

Effective Gas Volume

 N/A 2.45 gal566 in³

Typical Pressure

 N/A 3000 psi

Fluid Port Connection Pressure

 N/A 3000 psi

Bladder Compound

 N/A Buna N (NBR)

BUn

 N/A EA

Division

 N/A ACCUMULATORS

Product Group Family

 N/A BLADDER ACCUMULATORS

Product

 N/A BLADDER ACCUMULATORS

Dimensions

Diameter D

 N/A 9.1 in231 mm

Dimension A

 N/A 21.3 in540 mm

Dimension B

 N/A 4.1 in104 mm

Dimension C

 N/A 1.6 in40 mm

Diameter E

 N/A 2.8 in71.4 mm

Thread-J Size (National Pipe Thread Fine (NPTF), British Standard Parallel Pipe (BSPP))

 N/A 2 in

Construction

N/A HYDAC bladder accumulators consist of a welded or forged pressure vessel (shell), a bladder and ports for gas and fluid inlet. The gas and fluid sides are separated by the bladder.

Corrosion Protection

N/A For use with certain aggressive or corrosive fluids, or in a corrosive environment, HYDAC offers protective coatings and corrosive resistant materials (i.e. stainless steel) for the accumulator parts that come in contact with the fluid, or are exposed to the hostile environment.

Mounting Position

N/A HYDAC bladder accumulators can be installed in any orientation depending upon the application. When installing vertically or at an angle, the fluid port must be at the bottom. On certain applications listed below, specific positions are preferable:

  • Energy Storage:
    • vertical
  • Pulsation Dampening:
    • any position from vertical to horizontal
  • Maintaining Constant Pressure:
    • any position from vertical to horizontal
  • Volume Compensation:
    • any position from vertical to horizontal
Caution: Mounting a HYDAC bladder accumulator horizontally or at an angle will decrease the amount of usable volume available.

System Mounting

N/A HYDAC bladder accumulators are designed to be screwed directly onto the system. We also recommend the use of our mounting components, to minimize risk of failure due to system vibrations.

Application

N/A Some common applications of bladder accumulators are:

  • Agricultural Machinery & Equipment
  • Forestry Equipment
  • Oil Field & Offshore
  • Machine Tools
  • Mining Machinery & Equipment
  • Mobile & Construction Equipment
  • Off-Road Equipment