Parts List And Drawings – Piston Accumulators

Use the table below to determine the part number for your desired piston accumulator. For help sizing your accumulator, selecting a compatible elastomer, and to obtain a quote on accumulators and all our other products, visit our tools and technical info section.

Select the desired option from each list and place the corresponding code in its proper place:

APPROVAL CODESIZEPRESSURECYLINDER BORE
GAS END PORT(S)FLUID END PORT(S)SEALSMATERIAL EXAMPLE
PA1531006B0G2FVSS=PA1531006B0G2FVSS
Approval Code1
OPTIONCODE
ACC INCPA
ASMEPX
DNVPN
ABSPB
CEPP
CRNPR
ABS, DNVPD

Size2
OPTIONCODE
1/2 Pint.5PT
1 Pint1PT
1 Quart 1QT
1/2 Gallon 2QT
1 Gallon 1
2.5 Gallon 2.5
5 Gallon 5
7.5 Gallon 7.5
10 Gallon 10
15 Gallon 15
20 Gallon 20
40 Gallon 40

Pressure3
OPTIONCODE
3000 PSI 3100
4000 PSI 4100
6000 PSI 6100
7500 PSI 7.5100
10000 PSI 10100
15000 PSI 15100
Cylinder Bore4
OPTIONCODE
2” Bore 2B
3” Bore 3B
4” Bore 4B
5” Bore 5B
5.5" Bore5.5B
6” Bore 6B
7” Bore 7B
8” Bore 8B
10” Bore 10B
12” Bore 12B
Top and Bottom Ports4,5
OPTIONCODE
3/8”-24 SAE w/gas valve 0
3/4”-16 SAE (#8) 1
1-1/16”-12 SAE (#12) 2
1-5/16”-12 SAE (#16) 3
1-7/8”-12 SAE (#24) 4
Code 61, 2” SAE 5
Code 62, 1.5” SAE 6
3/8” MP 7
2.5”-12 SAE (#32) 8
1” NPT 9
1/2”-20 SAE w/gas valve 10
3/4” NPT 11
1/2” NPT 12
Code 61, 1.5” SAE 13
Solid, no port 15
9/16” MP 16
1-5/8”-12 SAE (#20) 17
Seals4
OPTIONCODE
Buna-Nitrile Blank
ButylB
EPDME
FluorocarbonV
Low-Temp Buna L
PolypropyleneP
TeflonT
KEL-F KELF
Materials
OPTIONCODE
Carbon Steel Blank
StainlessSS
Chrome-plated ID CP

1. ASME standard for all accumulators larger than 6” bore.
2. Larger and custom sizes available.
3. Higher and custom pressures available.
4. Many other options available.
5. Code followed by G or F to indicate a Top Port or Bottom Port.

Only the most common options are shown above. We have many more options and products available, including position sensors and burst discs.

3 Inch Bore 3000 PSI Pistons
Model
Nominal Size
Gas Capacity
Dry Weight
ODLength Mounting Clamp
Seal Kit
IN3LBS.ININ
PA.5PT31003B0G1F
0.5 PT
19
11
3.5
7.5
AI-CLR-350
PA-3B-4KT
PA1PT31003B0G1F
1 PT
35
12
3.5
9.75
AI-CLR-350
PA-3B-4KT
PA1QT31003B0G1F
1 QT
68
16
3.5
14.5
AI-CLR-350
PA-3B-4KT
PA2QT31003B0G1F
2 QT
124
21
3.5
22.5
AI-CLR-350
PA-3B-4KT
PA131003B0G1F
1 GAL
241
33
3.5
39
AI-CLR-350
PA-3B-4KT
4 Inch Bore 3000 PSI Pistons
Model
Nominal Size Gas Capacity
Dry Weight
OD LengthMounting Clamp
Seal Kit
IN3LBS.ININ
PA1QT31004B10G3FK
1 QT
64
33
4.75
13
AI-1QT-511
PA-4B-4KT-ALT
PA131004B10G3FK
1 GAL
237
53
4.75
26.75
AI-1QT-511
PA-4B-4KT-ALT
PA2.531004B10G3FK
2.5 GAL
584
93
4.75
54.5
AI-1QT-511
PA-4B-4KT-ALT
6 Inch Bore 3000 PSI Pistons
Model
Nominal Size Gas Capacity
Dry Weight
OD
LengthMounting Clamp
Seal Kit
IN3LBS.ININ
PA131006BOGXF-R11 GAL
24467 6.5
16.5AI-CLR-650PA-6B-4KT-R1
PA2.531006B0GXF-R12.5 GAL
59894 6.5
30AI-CLR-650PA-6B-4KT-R1
PA531006B0GXF-R15 GAL
1168
1396.5
52
AI-CLR-650
PA-6B-4KT-R1
PA7.531006B0GXF-R17.5 GAL
1753
1856.5
74.5
AI-CLR-650
PA-6B-4KT-R1
PA1031006B0GXF-R110 GAL
2335
2316.5
97
AI-CLR-650
PA-6B-4KT-R1
PA 12.531006B0GXF-R112.5 GAL
2908
2766.5
119
AI-CLR-650
PA-6B-4KT-R1
8 Inch Bore 3000 PSI Pistons
Model
Nominal SizeGas Capacity
Dry Weight
OD
LengthMounting Clamp
Seal Kit
IN3LBS.ININ
PX2.531008B10GXF-R12.5 GAL6121989.521.5AI-S6-511PA-8B-4KT-R1
PX531008B10GXF-R1 5 GAL
1207
260
9.5
33
AI-S6-511
PA-8B-4KT-R1
PX7.531008B10GXF-R17.5 GAL
1785
327
9.5
44.5
AI-S6-511
PA-8B-4KT-R1
PX1031008B10GXF-R110 GAL
2362
394
9.5
56
AI-S6-511
PA-8B-4KT-R1
PX12.531008B10GXF-R112.5 GAL
2940
460
9.5
67.5
AI-S6-511
PA-8B-4KT-R1
PX1531008B10GXF-R115 GAL
3517
527
9.5
79
AI-S6-511
PA-8B-4KT-R1
PX2031008B10GXF-R120 GAL
4672
661
9.5
102
AI-S6-511
PA-8B-4KT-R1
PX2531008B10GXF-R125 GAL
5832
795
9.5
125
AI-S6-511
PA-8B-4KT-R1
PX3031008B10GXF-R130 GAL
6971
927
9.5
147.5
AI-S6-511
PA-8B-4KT-R1
PX4031008B10GXF-R140 GAL
9281
1194
9.5
193.5
AI-S6-511
PA-8B-4KT-R1
2 Inch Bore 6000 PSI Pistons
Model
Nominal SizeGas Capacity
Dry Weight
OD
LENGTHMounting Clamp
Seal Kit
IN3LBS.ININ
PA.5PT61002B10GXF 0.5 PT
15 10
2.75
9.75
AI-CLR-275 PA-2B-4KT
PA1PT61002B10GXF
1 PT
30
14
2.75
14.75
AI-CLR-275 PA-2B-4KT
PA1QT61002B10GXF1 QT59212.7523.75AI-CLR-275 PA-2B-4KT
4 Inch Bore 6000 PSI Pistons
Model
Nominal SizeGas Capacity
Dry Weight
OD
LengthMounting Clamp
Seal Kit
IN3LBS.ININ
PA1QT61004B10GXF
1 QT
64
33
5
11.5
AI-CLR-500
PA-4B-4KT
PA2QT61004B10GXF
2 QT
126
43
5
16.5
AI-CLR-500
PA-4B-4KT
PA161004B10GXF
1 GAL
240
61
5
25.5
AI-CLR-500
PA-4B-4KT
PA2.561004B10GXF
2.5 GAL
584
116
5
53.5
AI-CLR-500
PA-4B-4KT
PA461004B10GXF
4 GAL
930
171
5
80.5
AI-CLR-500
PA-4B-4KT
7 Inch Bore 6000 PSI Pistons
Model
Nominal Size Gas Capacity
Dry Weight
OD
LengthMounting Clamp
Seal Kit
IN3LBS.ININ
PX561007B10GXF
5 GAL
1188
397
9.13
41.5
AI-S-511
PA-7B-4KT
PX1061007B10GXF
10 GAL
2343
625
9.13
71.5
AI-S-511
PA-7B-4KT
PX12.561007B10GXF
12.5 GAL
2921
739
9.13
86.5
AI-S-511
PA-7B-4KT
PX1561007B10GXF
15 GAL
3498
853
9.13
101.5
AI-S-511
PA-7B-4KT
PX2061007B10GXF
20 GAL
4648
1080
9.13
131.5
AI-S-511
PA-7B-4KT
PX2561007B10GXF
25 GAL
5820
1311
9.13
162
AI-S-511
PA-7B-4KT
PX3061007B10GXF
30 GAL
6975
1539
9.13
192
AI-S-511
PA-7B-4KT
5.5 Inch Bore 7500 PSI Stainless Steel Pistons
Model
Nominal SizeGas Capacity
Dry Weight
OD
LengthMounting Clamp
Seal Kit
IN3LBS.ININ
PX2.57.51005.5B10G1FSS
2.5 GAL
596
257
7.5
36.5
AI-CLR-750-SS
PA-5.5B-7.5-4KT
PX57.51005.5B10G1FSS
5 GAL
1174
399
7.5
60.75
AI-CLR-750-SS
PA-5.5B-7.5-4KT
2.5 Inch Bore 10000 PSI Pistons
Model
Nominal SizeGas Capacity
Dry Weight
OD
LengthMounting Clamp
Seal Kit
IN3LBS.ININ
PA.5PT101002.5B10GXF
0.5 PT
15.75
30
4
11.5
AI-CLR-400
PA-2.5B-10-4KT
PA1PT101002.5B10GXF
1 PT
30.75
37
4
14.5
AI-CLR-400
PA-2.5B-10-4KT
PA1QT101002.5B10GXF
1 QT
62.5
51
4
21
AI-CLR-400
PA-2.5B-10-4KT
PA2QT101002.5B10GXF
2 QT
123
78
4
33.5
AI-CLR-400
PA-2.5B-10-4KT
PA3QT101002.5B10GXF
3 QT
188
106
4
46.5
AI-CLR-400
PA-2.5B-10-4KT
PA4QT101002.5B10GXF
4 QT
247
132
4
58.5
AI-CLR-400
PA-2.5B-10-4KT
PA6QT101002.5B10GXF
6 QT
367
185
4
83
AI-CLR-400
PA-2.5B-10-4KT
2.5 Inch Bore 10000 PSI Pistons
Model
Nominal SizeGas Capacity
Dry Weight
OD
LengthMounting Clamp
Seal Kit
IN3LBS.ININ
PX1101007B10GXFSS
1 GAL
244 490
10.5
23.5
AI-CLR-1050-SS PA-7B-10-4KT
PX1.5101007B10GXFSS
1.5 GAL
359
531
10.5 26.5
AI-CLR-1050-SS PA-7B-10-4KT
PX2.5101007B10GXFSS
2.5 GAL
590
612
10.5
32.5
AI-CLR-1050-SS PA-7B-10-4KT
PX5101007B10GXFSS
5 GAL
1168
816
10.5
47.5 AI-CLR-1050-SS PA-7B-10-4KT
PX7.5101007B10GXFSS
7.5 GAL
1745
1019
10.5
62.5
AI-CLR-1050-SS PA-7B-10-4KT
PX10101007B10GXFSS
10 GAL
2322
1223
10.5
77.5
AI-CLR-1050-SS PA-7B-10-4KT
PX15101007B10GXFSS
15 GAL
3478 1630
10.5
107.5
AI-CLR-1050-SS PA-7B-10-4KT
PX20101007B10GXFSS20 GAL4633203710.5137.5AI-CLR-1050-SS PA-7B-10-4KT
2.5 Inch Bore 15000 PSI Stainless Steel Pistons
Model
Nominal SizeGas Capacity
Dry Weight
OD
LengthMounting Clamp
Seal Kit
IN3LBS.ININ
PA1QT151002.5B7G7FSSK
1 QT
60
71
4.6
18.75
AI-1QT-511-SS
Contact Us
PX5151005.5BXGXFSS 1 GAL
231
213
5.5
41
AI-CLR-550-SS
Contact Us
5.5 Inch Bore 15000 PSI Stainless Steel Pistons
Model
Nominal SizeGas Capacity
Dry Weight
OD
LengthMounting Clamp
Seal Kit
IN3LBS.ININ
PX2.5151005.5BXGXFSS
2.5 GAL
594
793
10
42 AI-CLR-1000-SS PA-5.5B-15-4KT
PX5151005.5BXGXFSS 5 GAL
1187
1179
10
67
AI-CLR-1000-SS PA-5.5B-15-4KT
PX7.5151005.5BXGXFSS 7.5 GAL175815501091AI-CLR-1000-SS PA-5.5B-15-4KT
PX10151005.5BXGXFSS 10 GAL2329192110115AI-CLR-1000-SS PA-5.5B-15-4KT