Sealed Hydraulic Accumulators
Charge these accumulators to the pressure you need, and they will help a system maintain a constant pressure during pump failure. Mount them in any orientation. UN/UNF (SAE Straight) thread connections have straight threads and are also known as O-ring Boss fittings.
Note: For safety, do not disassemble accumulators while they're under pressure.
Diaphragm accumulators have bags that can't be replaced.
Use a charging and gauging kit to increase or decrease an accumulator’s charge.
For technical drawings and 3-D models, click on a part number.
Diaphragms

Diaphragm
Inlet/Outlet Connection for Hydraulic Fluid—UN/UNF (SAE Straight) | Inlet/Outlet Connection for Nitrogren | Body | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cap., fl. oz. | Max. Flow Rate, gpm | Max. Pressure, psi | Thread Size | Gender | Dash Size | Valve Type | Gender | O'all Ht. | Ht. | Dia. | Mounting Orientation | Each | |
Steel Body with Buna-N Rubber Diaphragm | |||||||||||||
16 1/2 | 25 | 3,000 | 3/4"-16 | Female | 08 | Schrader | Male | 6 7/8" | 4 3/8" | 4 1/8" | Any Position | 0000000 | 0000000 |
33 1/2 | 25 | 3,000 | 3/4"-16 | Female | 08 | Schrader | Male | 7 7/8" | 5 3/8" | 5 3/8" | Any Position | 0000000 | 000000 |
66 1/2 | 40 | 3,000 | 1 1/16"-12 | Female | 12 | Schrader | Male | 9 1/4" | 6 13/16" | 6 5/8" | Any Position | 0000000 | 000000 |
Charging and Gauging Kits | 00000000 | Each | 0000000 |
Pistons

Piston
Inlet/Outlet Connection for Hydraulic Fluid—UN/UNF (SAE Straight) | Inlet/Outlet Connection for Nitrogren | Body | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Cap., fl. oz. | Max. Flow Rate, gpm | Max. Pressure, psi | Thread Size | Gender | Dash Size | Valve Type | Gender | O'all Ht. | Ht. | Dia. | Bore Dia. | Mounting Orientation | Each | |
Steel Body with Buna-N Rubber Seal | ||||||||||||||
16 | 100 | 4,000 | 3/4"-16 | Female | 08 | Schrader | Male | 13 3/8" | 12 7/16" | 2 3/8" | 2" | Any Position | 0000000 | 0000000 |
32 | 100 | 4,000 | 3/4"-16 | Female | 08 | Schrader | Male | 21 7/8" | 20 15/16" | 2 3/8" | 2" | Any Position | 0000000 | 000000 |
Charging and Gauging Kits | 00000000 | Each | 0000000 |