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Piston Accumulators

Freudenberg / TOBUL Piston Accumulators



– Long Service Life
– Low Hysteresis
– Compact design
– A Wide Range of Materials, Seal Types, and Configurations
– A Comprehensive Selection of Gas and Fluid Connections
– Repairable/Service Friendly
– Produced by Proven and Reliable Technologies

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Reference Material:

PDF_242000 PSI Piston Accumulators (PDF)

PDF_243000 PSI Piston Accumulators (PDF)

PDF_245000 PSI Piston Accumulators (PDF)

PDF_2410000 PSI Piston Accumulators (PDF)


The wide variety and versatility of Freudenberg / Tobul Piston Accumulators allows their use in over 90% of all potential applications. Proven durability and performance deliver a solution with extreme high longevity.

From a volume of a few cubic inches to hundreds of gallons, and up to 20,000 PSI MAWP, the piston-type hydro-pneumatic accumulator can meet the diverse needs of many industries with a standard or custom design, a comprehensive selection of gas and fluid connections, and a wide range of materials, seal types, and configurations.

CERTIFICATIONS

ASME/NB
CE/PED
SELO


 


2,000 PSI (138 Bar) Piston Accumulators

General Design Data
Maximum Working Pressure: 2,000 PSI (138 Bar)
Maximum Proof Pressure: 3,000 PSI (207 Bar)
Maximum Burst Pressure: 8,000 PSI (552 Bar)
(Buna/Nitrile) Operating Temperature: -20° to +200° F (-28° to 93° C)
Specifications subject to change without notice.

045AT20

Part #Old Part #Gas CapacityFluid CapacityDry Weight(A) (B)(C) Fluid Port
045AT20-2NA1D4.5A20-22 Pints23 lbs.SAE-16
045AT20-4NA1D4.5A20-4128 In.30.5 Gallons27 lbs.15-5/8"14-3/8"SAE-16
045AT20-8NA1D4.5A20-8243 In.31 Gallon36 lbs.24-1/4"23"SAE-16
045AT20-12NA1D4.5A20-12SAE-16
045AT20-16NA1D4.5A20-16475 In.32 Gallons53 lbs.41-5/8"40-3/8"SAE-16
045AT20-20NA1D4.5A20-20SAE-16
045AT20-24NA1D4.5A20-24705 In.33 Gallons69 lbs.58-7/8"57-5/8"SAE-16
Optional porting/mounting/piston seal configurations available on request


067AT20

Part #Old Part #Gas CapacityFluid CapacityDry Weight(A) (B)(C) Fluid Port
067AT20-8NA1F6.7A20-8247 In.31 Gallon56 lbs.16-3/4"15-1/2"SAE-24
067AT20-12NA1F6.7A20-12SAE-24
067AT20-16NA1F6.7A20-16478 In.32 Gallons73 lbs.24-7/8"23-5/8"SAE-24
067AT20-20NA1F6.7A20-20SAE-24
067AT20-24NA1F6.7A20-24709 In.33 Gallons91 lbs.33-1/8"31-7/8"SAE-24
067AT20-40NA1F6.7A20-401,171 In.35 Gallons126 lbs.49-3/8"48-1/8"SAE-24
067AT20-60NA1F6.7A20-60SAE-24
Optional porting/mounting/piston seal configurations available on request


160A20

Part #Old Part #Gas CapacityFluid CapacityDry Weight(A) (C) Fluid Port
160A20-120NJ1K16A20-12015 GallonsSAE-2" Bolt Code 61
160A20-160NJ1K16A20-16020 GallonsSAE-2" Bolt Code 61
160A20-200NJ1K16A20-20025 GallonsSAE-2" Bolt Code 61
160A20-240NJ1K16A20-24030 GallonsSAE-2" Bolt Code 61
160A20-320NJ1K16A20-3209,530 In.340 Gallons1,411 lbs.76-7/8"SAE-2" Bolt Code 61
160A20-400NJ1K16A20-40050 GallonsSAE-2" Bolt Code 61
160A20-480NJ1K16A20-48014,149 In.360 Gallons1,811 lbs.106-7/8"SAE-2" Bolt Code 61
160A20-560NJ1K16A20-56070 GallonsSAE-2" Bolt Code 61
160A20-640NJ1K16A20-64018,767 In.380 Gallons2,211 lbs.136-7/8"SAE-2" Bolt Code 61
160A20-720NJ1K16A20-72090 GallonsSAE-2" Bolt Code 61
160A20-800NJ1K16A20-80023,385 In.3100 Gallons2,611 lbs.166-7/8"SAE-2" Bolt Code 61
160A20-1000NJ1K16A20-1000125 GallonsSAE-2" Bolt Code 61
160A20-1200NJ1K16A20-1200150 GallonsSAE-2" Bolt Code 61
160A20-1400NJ1K16A20-1400175 GallonsSAE-2" Bolt Code 61
160A20-1600NJ1K16A20-1600200 GallonsSAE-2" Bolt Code 61
Optional porting/mounting/piston seal configurations available on request




3,000 PSI (207 Bar) Piston Accumulators

General Design Data
Maximum Working Pressure: 3,000 PSI (207 Bar)
Maximum Proof Pressure: 4,500 PSI (310 Bar)
Maximum Burst Pressure: 12,000 PSI (827 Bar)
(Buna/Nitrile) Operating Temperature: -20° to +200° F (-28° to 93° C)
Specifications subject to change without notice.

030AT30

Part #Old Part #Gas CapacityFluid CapacityDry Weight(A) (B)(C) Fluid Port
030AT30-.5NA193AT30-.515 In.30.5 Pints7 lbs.9.75"8.5"SAE-8
030AT30-1NA193AT30-132 In.31 Pint8 lbs.12.625"11.375"SAE-8
030AT30-2NA193AT30-262 In.32 Pints11 lbs.18.75"17.5"SAE-8
030AT30-4NA193AT30-4116 In.30.5 Gallons19 lbs.30.563"29.3125"SAE-8
Optional porting/mounting/piston seal configurations available on request



047AT30

Part #Old Part #Gas CapacityFluid CapacityDry Weight(A) (B)(C) Fluid Port
047AT30-2NA1D4.7A30-2SAE-16
047AT30-4NA1D4.7A30-4127 In.30.5 Gallons31 lbs.16.75"15.5"SAE-16
047AT30-8NA1D4.7A30-8242 In.31 Gallon41 lbs.25.375"24.125"SAE-16
047AT30-12NA1D4.7A30-12358 In.31.5 Gallons52 lbs.34"32.75"SAE-16
047AT30-16NA1D4.7A30-16472 In.32 Gallons62 lbs.42.75"41.5"SAE-16
047AT30-20NA1D4.7A30-20589 In.32.5 Gallons73 lbs.51.375""50.125:SAE-16
047AT30-24NA1D4.7A30-24SAE-16
Optional porting/mounting/piston seal configurations available on request



067AT30

Part #Old Part #Gas CapacityFluid CapacityDry Weight(A) (B)(C) Fluid Port
067A30-8NA1J6.7A30-8252 In.31 Gallon97 lbs.19.5"18.25"SAE 1.5" 4Bolt Code 61
067A30-12NA1J6.7A30-12369 In.31.5 Gallons112 lbs.23.875"22.625"SAE 1.5" 4Bolt Code 61
067A30-20NA1J6.7A30-20599 In.32.5 Gallons143 lbs.32.375"31.125"SAE 1.5" 4Bolt Code 61
067A30-32NA1J6.7A30-32SAE 1.5" 4Bolt Code 61
067A30-40NA1J6.7A30-401,176 In.35 Gallons221 lbs.54.375"53.125"SAE 1.5" 4Bolt Code 61
067A30-60NA1J6.7A30-601,754 In.37.5 Gallons300 lbs.76.375"75.125"SAE 1.5" 4Bolt Code 61
067A30-80NA1J6.7A30-802,331 In.310 Gallons377 lbs.98.375"97.125"SAE 1.5" 4Bolt Code 61
Optional porting/mounting/piston seal configurations available on request



090A30

Part #Old Part #Gas CapacityFluid CapacityDry Weight(A) (C) Fluid Port
090A30-20NV1K9A30-20612 In.32.5 Gallons192 lbs.23.25"SAE 2" 4Bolt Code 61
090A30-40NV1K9A30-401,191 In.35 Gallons256 lbs.35.875SAE 2" 4Bolt Code 61
090A30-60NV1K9A30-601,765 In.37.5 Gallons320 lbs.48.5"SAE 2" 4Bolt Code 61
090A30-80NV1K9A30-802,347 In.310 Gallons385 lbs.61.25"SAE 2" 4Bolt Code 61
090A30-100NV1K9A30-1002,918 In.312.5 Gallons448 lbs.73.75"SAE 2" 4Bolt Code 61
090A30-120NV1K9A30-1203,495 In.315 Gallons513 lbs.86.375"SAE 2" 4Bolt Code 61
090A30-140NV1K9A30-1404,071 In.317.5 Gallons576 lbs.99"SAE 2" 4Bolt Code 61
090A30-160NV1K9A30-1604,648 In.320 Gallons641 lbs.111.625"SAE 2" 4Bolt Code 61
090A30-200NV1K9A30-2005,806 In.325 Gallons770 lbs.137"SAE 2" 4Bolt Code 61
090A30-240NV1K9A30-2406,959 In.330 Gallons898 lbs.162.25"SAE 2" 4Bolt Code 61
090A30-320NV1K9A30-3209,265 In.340 Gallons1,154 lbs.212.75"SAE 2" 4Bolt Code 61
090A30-400NV1K9A30-40011,571 In.350 Gallons1,411 lbs.263.25"SAE 2" 4Bolt Code 61
Optional porting/mounting/piston seal configurations available on request




5,000 PSI (345 Bar) Piston Accumulators

General Design Data
Maximum Working Pressure: 5,000 PSI (345 Bar)
Maximum Proof Pressure: 7,500 PSI (517 Bar)
Maximum Burst Pressure: 20,000 PSI (1,379 Bar)
(Buna/Nitrile) Operating Temperature: -20° to +200° F (-28° to 93° C)
Specifications subject to change without notice.

032A50
Part #Old Part #Gas CapacityFluid CapacityDry Weight(A) (C) Fluid Port
032A50-.5NA193.2AT50-.514 In.30.5 Pints12 lbs.10.8"SAE-8
032A50-1NA193.2AT50-130 In.31 Pint15 lbs.14.2"SAE-8
032A50-2NA193.2AT50-261 In.32 Pints21 lbs.20.44"SAE-8
032A50-4NA193.2AT50-4116 In.30.5 Gallons32 lbs.31.63"SAE-8
Optional porting/mounting/piston seal configurations available on request



052A50

Part #Old Part #Gas CapacityFluid CapacityDry Weight(A) (C) Fluid Port
052A50-.5NA1D5.2AT50-.50.5 PintsSAE-16
052A50-1NA1D5.2AT50-11 PintSAE-16
052A50-2NA1D5.2AT50-264 In.32 Pints70 lbs.24"SAE-16
052A50-4NA1D5.2AT50-40.5 GallonsSAE-16
052A50-8NA1D5.2AT50-8236 In.31 Gallon78 lbs.27.75"SAE-16
052A50-12NA1D5.2AT50-12353 In.31.5 Gallons99 lbs.36.5"SAE-16
052A50-16NA1D5.2AT50-162 GallonsSAE-16
052A50-20NA1D5.2AT50-20583 In.32.5 Gallons139 lbs.53.75"SAE-16
052A50-24NA1D5.2AT50-24698 In.33 Gallons160 lbs.62.38"SAE-16
Optional porting/mounting/piston seal configurations available on request



090A52

Part #Old Part #Gas CapacityFluid CapacityDry Weight(A) (C) Fluid Port
090A52-8N_1P090A50-8ND1P1 GallonSAE 2" 4Bolt Code 61
090A52-20N_1P090A50-20ND1P2.5 GallonsSAE 2" 4Bolt Code 61
090A52-40N_1P090A50-40ND1P1,183 In.35 Gallons348 lbs.41"SAE 2" 4Bolt Code 61
090A52-60N_1P090A50-60ND1P7.5 GallonsSAE 2" 4Bolt Code 61
090A52-80N_1P090A50-80ND1P2,334 In.310 Gallons544 lbs.70"SAE 2" 4Bolt Code 61
090A52-100N_1P090A50-100ND1P12.5 GallonsSAE 2" 4Bolt Code 61
090A52-120N_1P090A50-120ND1P3,486 In.315 Gallons741 lbs.99"SAE 2" 4Bolt Code 61
090A52-160N_1P090A50-160ND1P4,637 In.320 Gallons937 lbs.128"SAE 2" 4Bolt Code 61
090A52-200N_1P090A50-200ND1P25 GallonsSAE 2" 4Bolt Code 61
090A52-240N_1P090A50-240ND1P30 GallonsSAE 2" 4Bolt Code 61
090A52-320N_1P090A50-320ND1P40 GallonsSAE 2" 4Bolt Code 61
Optional porting/mounting/piston seal configurations available on request



10,000 PSI (690 Bar) Piston Accumulators

General Design Data
Maximum Working Pressure: 10,000 PSI (690 Bar)
Maximum Proof Pressure: 15,000 PSI (1,034 Bar)
Maximum Burst Pressure: 40,000 PSI (2,758 Bar)
(Buna/Nitrile) Operating Temperature: -20° to +200° F (-28° to 93° C)
Specifications subject to change without notice.

040A100
Part #Old Part #Gas CapacityFluid CapacityDry Weight(A) (C) Fluid Port
040A100-.5NJ144AT100-.515 In.30.5 Pints25 lbs.12.13"1/2" NPT
040A100-1NJ144AT100-130 In.31 Pint32 lbs.15.13"1/2" NPT
040A100-2NJ144AT100-260 In.32 Pint45 lbs.21.13"1/2" NPT
040A100-4NJ144AT100-4117 In.30.5 Gallons70 lbs.32.75"1/2" NPT
Optional porting/mounting/piston seal configurations available on request


085A100

Part #Old Part #Gas CapacityFluid CapacityDry Weight(A) (C) Fluid Port
085A100-8N4148.5A100-8244 In.31 Gallon243 lbs.22"1/2" NPT
085A100-12N4148.5A100-12361 In.31.5 Gallons275 lbs.26"1/2" NPT
085A100-16N4148.5A100-16478 In.32 Gallons308 lbs.30.125"1/2" NPT
085A100-20N4148.5A100-20591 In.32.5 Gallons340 lbs.34.125"1/2" NPT
085A100-24N4148.5A100-24711 In.33 Gallons375 lbs.38.375"1/2" NPT
085A100-32N4148.5A100-32941 In.34 Gallons440 lbs.46.5"1/2" NPT
085A100-40N4148.5A100-401,177 In.35 Gallons508 lbs.54.875"1/2" NPT
085A100-60N4148.5A100-601,760 In.37.5 Gallons674 lbs.75.5"1/2" NPT
085A100-80N4148.5A100-802,326 In.310 Gallons835 lbs.95.5"1/2" NPT
085A100-120N4148.5A100-1203,482 In.315 Gallons1,164 lbs.139.375"1/2" NPT
085A100-160N4148.5A100-1604,637 In.320 Gallons1,494 lbs.177.25"1/2" NPT
Optional porting/mounting/piston seal configurations available on request



110A100

Part #Old Part #Gas CapacityFluid CapacityDry Weight(A) (C) Fluid Port
110A100-8NG1411A100-8246 In.31 Gallon478 lbs.22.5"1/2" NPT
110A100-12NG1411A100-12362 In.31.5 Gallons577 lbs.27.375"1/2" NPT
110A100-16NG1411A100-16478 In.32 Gallons675 lbs.32.25"1/2" NPT
110A100-20NG1411A100-20594 In.32.5 Gallons773 lbs.37.125"1/2" NPT
110A100-24NG1411A100-24709 In.33 Gallons872 lbs.42"1/2" NPT
110A100-32NG1411A100-32941 In.34 Gallons1,068 lbs.51.75"1/2" NPT
110A100-40NG1411A100-401,172 In.35 Gallons1,265 lbs.61.5"1/2" NPT
110A100-60NG1411A100-601,748 In.37.5 Gallons1,754 lbs.85.75"1/2" NPT
110A100-80NG1411A100-802,327 In.310 Gallons2,246 lbs.110.125"1/2" NPT
110A100-120NG1411A100-1203,483 In.315 Gallons3,227 lbs.158.75"1/2" NPT
110A100-160NG1411A100-1604,638 In.320 Gallons4,207 lbs.207.375"1/2" NPT
Optional porting/mounting/piston seal configurations available on request


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