Freudenberg/TOBUL Piston Accumulators

Piston Accumulator Distributor

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

Reference Material

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

3,000 PSI

5,000 PSI

10,000 PSI

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 Capacity	Fluid Capacity	Dry Weight	(A)	(B)	(C) Fluid Port
045AT20-2NA1D	4.5A20-2		2 Pints	23 lbs.			SAE-16
045AT20-4NA1D	4.5A20-4	128 In.3	0.5 Gallons	27 lbs.	15-5/8"	14-3/8"	SAE-16
045AT20-8NA1D	4.5A20-8	243 In.3	1 Gallon	36 lbs.	24-1/4"	23"	SAE-16
045AT20-12NA1D	4.5A20-12						SAE-16
045AT20-16NA1D	4.5A20-16	475 In.3	2 Gallons	53 lbs.	41-5/8"	40-3/8"	SAE-16
045AT20-20NA1D	4.5A20-20						SAE-16
045AT20-24NA1D	4.5A20-24	705 In.3	3 Gallons	69 lbs.	58-7/8"	57-5/8"	SAE-16

Optional porting/mounting/piston seal configurations available on request

067AT20

Part #	Old Part #	Gas Capacity	Fluid Capacity	Dry Weight	(A)	(B)	(C) Fluid Port
067AT20-8NA1F	6.7A20-8	247 In.3	1 Gallon	56 lbs.	16-3/4"	15-1/2"	SAE-24
067AT20-12NA1F	6.7A20-12						SAE-24
067AT20-16NA1F	6.7A20-16	478 In.3	2 Gallons	73 lbs.	24-7/8"	23-5/8"	SAE-24
067AT20-20NA1F	6.7A20-20						SAE-24
067AT20-24NA1F	6.7A20-24	709 In.3	3 Gallons	91 lbs.	33-1/8"	31-7/8"	SAE-24
067AT20-40NA1F	6.7A20-40	1,171 In.3	5 Gallons	126 lbs.	49-3/8"	48-1/8"	SAE-24
067AT20-60NA1F	6.7A20-60						SAE-24

Optional porting/mounting/piston seal configurations available on request

160A20

Part #	Old Part #	Gas Capacity	Fluid Capacity	Dry Weight	(A)	(C) Fluid Port
160A20-120NJ1K	16A20-120		15 Gallons			SAE-2" Bolt Code 61
160A20-160NJ1K	16A20-160		20 Gallons			SAE-2" Bolt Code 61
160A20-200NJ1K	16A20-200		25 Gallons			SAE-2" Bolt Code 61
160A20-240NJ1K	16A20-240		30 Gallons			SAE-2" Bolt Code 61
160A20-320NJ1K	16A20-320	9,530 In.3	40 Gallons	1,411 lbs.	76-7/8"	SAE-2" Bolt Code 61
160A20-400NJ1K	16A20-400		50 Gallons			SAE-2" Bolt Code 61
160A20-480NJ1K	16A20-480	14,149 In.3	60 Gallons	1,811 lbs.	106-7/8"	SAE-2" Bolt Code 61
160A20-560NJ1K	16A20-560		70 Gallons			SAE-2" Bolt Code 61
160A20-640NJ1K	16A20-640	18,767 In.3	80 Gallons	2,211 lbs.	136-7/8"	SAE-2" Bolt Code 61
160A20-720NJ1K	16A20-720		90 Gallons			SAE-2" Bolt Code 61
160A20-800NJ1K	16A20-800	23,385 In.3	100 Gallons	2,611 lbs.	166-7/8"	SAE-2" Bolt Code 61
160A20-1000NJ1K	16A20-1000		125 Gallons			SAE-2" Bolt Code 61
160A20-1200NJ1K	16A20-1200		150 Gallons			SAE-2" Bolt Code 61
160A20-1400NJ1K	16A20-1400		175 Gallons			SAE-2" Bolt Code 61
160A20-1600NJ1K	16A20-1600		200 Gallons			SAE-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 Capacity	Fluid Capacity	Dry Weight	(A)	(B)	(C) Fluid Port
030AT30-.5NA19	3AT30-.5	15 In.3	0.5 Pints	7 lbs.	9.75"	8.5"	SAE-8
030AT30-1NA19	3AT30-1	32 In.3	1 Pint	8 lbs.	12.625"	11.375"	SAE-8
030AT30-2NA19	3AT30-2	62 In.3	2 Pints	11 lbs.	18.75"	17.5"	SAE-8
030AT30-4NA19	3AT30-4	116 In.3	0.5 Gallons	19 lbs.	30.563"	29.3125"	SAE-8

Optional porting/mounting/piston seal configurations available on request

47AT30

Part #	Old Part #	Gas Capacity	Fluid Capacity	Dry Weight	(A)	(B)	(C) Fluid Port
047AT30-2NA1D	4.7A30-2						SAE-16
047AT30-4NA1D	4.7A30-4	127 In.3	0.5 Gallons	31 lbs.	16.75"	15.5"	SAE-16
047AT30-8NA1D	4.7A30-8	242 In.3	1 Gallon	41 lbs.	25.375"	24.125"	SAE-16
047AT30-12NA1D	4.7A30-12	358 In.3	1.5 Gallons	52 lbs.	34"	32.75"	SAE-16
047AT30-16NA1D	4.7A30-16	472 In.3	2 Gallons	62 lbs.	42.75"	41.5"	SAE-16
047AT30-20NA1D	4.7A30-20	589 In.3	2.5 Gallons	73 lbs.	51.375"	"50.125:	SAE-16
047AT30-24NA1D	4.7A30-24						SAE-16

Optional porting/mounting/piston seal configurations available on request

67AT30

Part #	Old Part #	Gas Capacity	Fluid Capacity	Dry Weight	(A)	(B)	(C) Fluid Port
067A30-8NA1J	6.7A30-8	252 In.3	1 Gallon	97 lbs.	19.5"	18.25"	SAE 1.5" 4Bolt Code 61
067A30-12NA1J	6.7A30-12	369 In.3	1.5 Gallons	112 lbs.	23.875"	22.625"	SAE 1.5" 4Bolt Code 61
067A30-20NA1J	6.7A30-20	599 In.3	2.5 Gallons	143 lbs.	32.375"	31.125"	SAE 1.5" 4Bolt Code 61
067A30-32NA1J	6.7A30-32						SAE 1.5" 4Bolt Code 61
067A30-40NA1J	6.7A30-40	1,176 In.3	5 Gallons	221 lbs.	54.375"	53.125"	SAE 1.5" 4Bolt Code 61
067A30-60NA1J	6.7A30-60	1,754 In.3	7.5 Gallons	300 lbs.	76.375"	75.125"	SAE 1.5" 4Bolt Code 61
067A30-80NA1J	6.7A30-80	2,331 In.3	10 Gallons	377 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 Capacity	Fluid Capacity	Dry Weight	(A)	(C) Fluid Port
090A30-20NV1K	9A30-20	612 In.3	2.5 Gallons	192 lbs.	23.25"	SAE 2" 4Bolt Code 61
090A30-40NV1K	9A30-40	1,191 In.3	5 Gallons	256 lbs.	35.875	SAE 2" 4Bolt Code 61
090A30-60NV1K	9A30-60	1,765 In.3	7.5 Gallons	320 lbs.	48.5"	SAE 2" 4Bolt Code 61
090A30-80NV1K	9A30-80	2,347 In.3	10 Gallons	385 lbs.	61.25"	SAE 2" 4Bolt Code 61
090A30-100NV1K	9A30-100	2,918 In.3	12.5 Gallons	448 lbs.	73.75"	SAE 2" 4Bolt Code 61
090A30-120NV1K	9A30-120	3,495 In.3	15 Gallons	513 lbs.	86.375"	SAE 2" 4Bolt Code 61
090A30-140NV1K	9A30-140	4,071 In.3	17.5 Gallons	576 lbs.	99"	SAE 2" 4Bolt Code 61
090A30-160NV1K	9A30-160	4,648 In.3	20 Gallons	641 lbs.	111.625"	SAE 2" 4Bolt Code 61
090A30-200NV1K	9A30-200	5,806 In.3	25 Gallons	770 lbs.	137"	SAE 2" 4Bolt Code 61
090A30-240NV1K	9A30-240	6,959 In.3	30 Gallons	898 lbs.	162.25"	SAE 2" 4Bolt Code 61
090A30-320NV1K	9A30-320	9,265 In.3	40 Gallons	1,154 lbs.	212.75"	SAE 2" 4Bolt Code 61
090A30-400NV1K	9A30-400	11,571 In.3	50 Gallons	1,411 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 Capacity	Fluid Capacity	Dry Weight	(A)	(C) Fluid Port
032A50-.5NA19	3.2AT50-.5	14 In.3	0.5 Pints	12 lbs.	10.8"	SAE-8
032A50-1NA19	3.2AT50-1	30 In.3	1 Pint	15 lbs.	14.2"	SAE-8
032A50-2NA19	3.2AT50-2	61 In.3	2 Pints	21 lbs.	20.44"	SAE-8
032A50-4NA19	3.2AT50-4	116 In.3	0.5 Gallons	32 lbs.	31.63"	SAE-8

Optional porting/mounting/piston seal configurations available on request

052A50

Part #	Old Part #	Gas Capacity	Fluid Capacity	Dry Weight	(A)	(C) Fluid Port
052A50-.5NA1D	5.2AT50-.5		0.5 Pints			SAE-16
052A50-1NA1D	5.2AT50-1		1 Pint			SAE-16
052A50-2NA1D	5.2AT50-2	64 In.3	2 Pints	70 lbs.	24"	SAE-16
052A50-4NA1D	5.2AT50-4		0.5 Gallons			SAE-16
052A50-8NA1D	5.2AT50-8	236 In.3	1 Gallon	78 lbs.	27.75"	SAE-16
052A50-12NA1D	5.2AT50-12	353 In.3	1.5 Gallons	99 lbs.	36.5"	SAE-16
052A50-16NA1D	5.2AT50-16		2 Gallons			SAE-16
052A50-20NA1D	5.2AT50-20	583 In.3	2.5 Gallons	139 lbs.	53.75"	SAE-16
052A50-24NA1D	5.2AT50-24	698 In.3	3 Gallons	160 lbs.	62.38"	SAE-16

Optional porting/mounting/piston seal configurations available on request

090A52

Part #	Old Part #	Gas Capacity	Fluid Capacity	Dry Weight	(A)	(C) Fluid Port
090A52-8N_1P	090A50-8ND1P		1 Gallon			SAE 2" 4Bolt Code 61
090A52-20N_1P	090A50-20ND1P		2.5 Gallons			SAE 2" 4Bolt Code 61
090A52-40N_1P	090A50-40ND1P	1,183 In.3	5 Gallons	348 lbs.	41"	SAE 2" 4Bolt Code 61
090A52-60N_1P	090A50-60ND1P		7.5 Gallons			SAE 2" 4Bolt Code 61
090A52-80N_1P	090A50-80ND1P	2,334 In.3	10 Gallons	544 lbs.	70"	SAE 2" 4Bolt Code 61
090A52-100N_1P	090A50-100ND1P		12.5 Gallons			SAE 2" 4Bolt Code 61
090A52-120N_1P	090A50-120ND1P	3,486 In.3	15 Gallons	741 lbs.	99"	SAE 2" 4Bolt Code 61
090A52-160N_1P	090A50-160ND1P	4,637 In.3	20 Gallons	937 lbs.	128"	SAE 2" 4Bolt Code 61
090A52-200N_1P	090A50-200ND1P		25 Gallons			SAE 2" 4Bolt Code 61
090A52-240N_1P	090A50-240ND1P		30 Gallons			SAE 2" 4Bolt Code 61
090A52-320N_1P	090A50-320ND1P		40 Gallons			SAE 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 Capacity	Fluid Capacity	Dry Weight	(A)	(C) Fluid Port
040A100-.5NJ14	4AT100-.5	15 In.3	0.5 Pints	25 lbs.	12.13"	1/2" NPT
040A100-1NJ14	4AT100-1	30 In.3	1 Pint	32 lbs.	15.13"	1/2" NPT
040A100-2NJ14	4AT100-2	60 In.3	2 Pint	45 lbs.	21.13"	1/2" NPT
040A100-4NJ14	4AT100-4	117 In.3	0.5 Gallons	70 lbs.	32.75"	1/2" NPT

Optional porting/mounting/piston seal configurations available on request

085A100

Part #	Old Part #	Gas Capacity	Fluid Capacity	Dry Weight	(A)	(C) Fluid Port
085A100-8N414	8.5A100-8	244 In.3	1 Gallon	243 lbs.	22"	1/2" NPT
085A100-12N414	8.5A100-12	361 In.3	1.5 Gallons	275 lbs.	26"	1/2" NPT
085A100-16N414	8.5A100-16	478 In.3	2 Gallons	308 lbs.	30.125"	1/2" NPT
085A100-20N414	8.5A100-20	591 In.3	2.5 Gallons	340 lbs.	34.125"	1/2" NPT
085A100-24N414	8.5A100-24	711 In.3	3 Gallons	375 lbs.	38.375"	1/2" NPT
085A100-32N414	8.5A100-32	941 In.3	4 Gallons	440 lbs.	46.5"	1/2" NPT
085A100-40N414	8.5A100-40	1,177 In.3	5 Gallons	508 lbs.	54.875"	1/2" NPT
085A100-60N414	8.5A100-60	1,760 In.3	7.5 Gallons	674 lbs.	75.5"	1/2" NPT
085A100-80N414	8.5A100-80	2,326 In.3	10 Gallons	835 lbs.	95.5"	1/2" NPT
085A100-120N414	8.5A100-120	3,482 In.3	15 Gallons	1,164 lbs.	139.375"	1/2" NPT
085A100-160N414	8.5A100-160	4,637 In.3	20 Gallons	1,494 lbs.	177.25"	1/2" NPT

Optional porting/mounting/piston seal configurations available on request

110A100

Part #	Old Part #	Gas Capacity	Fluid Capacity	Dry Weight	(A)	(C) Fluid Port
110A100-8NG14	11A100-8	246 In.3	1 Gallon	478 lbs.	22.5"	1/2" NPT
110A100-12NG14	11A100-12	362 In.3	1.5 Gallons	577 lbs.	27.375"	1/2" NPT
110A100-16NG14	11A100-16	478 In.3	2 Gallons	675 lbs.	32.25"	1/2" NPT
110A100-20NG14	11A100-20	594 In.3	2.5 Gallons	773 lbs.	37.125"	1/2" NPT
110A100-24NG14	11A100-24	709 In.3	3 Gallons	872 lbs.	42"	1/2" NPT
110A100-32NG14	11A100-32	941 In.3	4 Gallons	1,068 lbs.	51.75"	1/2" NPT
110A100-40NG14	11A100-40	1,172 In.3	5 Gallons	1,265 lbs.	61.5"	1/2" NPT
110A100-60NG14	11A100-60	1,748 In.3	7.5 Gallons	1,754 lbs.	85.75"	1/2" NPT
110A100-80NG14	11A100-80	2,327 In.3	10 Gallons	2,246 lbs.	110.125"	1/2" NPT
110A100-120NG14	11A100-120	3,483 In.3	15 Gallons	3,227 lbs.	158.75"	1/2" NPT
110A100-160NG14	11A100-160	4,638 In.3	20 Gallons	4,207 lbs.	207.375"	1/2" NPT