We offer a wide variety of spare parts for accumulator repairs in the field. We also perform on-site service and repair for accumulators in the Houston area. Of course, we can always repair your accumulators at our factory in Houston. Contact us for a quote on spare parts or to set up a service appointment.
Replacement Bladder Kits
Replacing the bladder in your accumulator can be done easily in the field with the proper tools and procedures. For assistance determining the proper elastomer for your application, please use our rubber compatibility chart or contact us. For details on the various elastomers we offer, please review our material specification information.
| COMPONENT PARTS |
|
|---|---|
| 1 | Seal Rings |
| 2 | Gas Valve* |
| 3 | Bladder |
*3000 PSI gas valve shown, P/N AI-GT3-309-KIT
| 3000 PSI BLADDER KITS |
||||
|---|---|---|---|---|
| SIZE (PART NO.) | L1 (IN) | L2 (IN) | STD. THREAD OD | WEIGHT (LBS) |
| 1 Pint (AI-1PT-3KT) | 5.25 | 1.7 | 5/8”-18 UNF | 1 |
| 1 Quart (AI-1QT-3KT) | 5.7 | 1.7 | 5/8”-18 UNF | 1 |
| 150 CI (AI-150CI-3KT) | 11 | 1.7 | 5/8”-18 UNF | 1 |
| 1 Gallon (AI-1-3KT) | 8 | 2.3 | 7/8”-14 UNF | 1 |
| 1.5 Gallon (AI-1.5-3KT) | 12.0 | 2.3 | 7/8”-14 UNF | 1 |
| 2.5 Gallon (AI-2.5-3KT) | 11.5 | 2.3 | 7/8”-14 UNF | 2 |
| 5 Gallon (AI-5-3KT) | 23 | 2.3 | 7/8”-14 UNF | 4 |
| 10 Gallon (AI-10-3KT) | 43.5 | 2.3 | 7/8”-14 UNF | 6 |
| 11 Gallon (AI-11-3KT) | 49.5 | 2.3 | 7/8”-14 UNF | 7 |
| 15 Gallon (AI-15-3KT) | 64 | 2.3 | 7/8”-14 UNF | 8 |
| 40 Gallon (AI-40-3KT) | 80 | 5 | 2”-12 UNF | 25 |
| 5000 & 6000 PSI BLADDER KITS | ||||
|---|---|---|---|---|
| SIZE (PART NO.) | L1 (IN) | L2 (IN) | STD. THREAD OD | WEIGHT (LBS) |
| 1 Quart (AI-1QT-5-3KT) | 5.7 | 1.7 | 7/8”-14 UNF | 1 |
| 1 Gallon (AI-1-6-3KT) | 8 | 3.3 | 7/8”-14 UNF | 1 |
| 2.5 Gallon (AI-2.5-6-3KT) | 11.5 | 3.3 | 7/8”-14 UNF | 2 |
| 5 Gallon (AI-5-6-3KT) | 23 | 3.3 | 7/8”-14 UNF | 4 |
| 10 Gallon (AI-10-6-3KT) | 43.5 | 3.3 | 7/8”-14 UNF | 6 |
| 15 Gallon (AI-15-6-3KT) | 64 | 3.3 | 7/8”-14 UNF | 8 |
| 10000 PSI BLADDER KITS | ||||
|---|---|---|---|---|
| SIZE (PART NO.) | L1 (IN) | L2 (IN) | STD. THREAD OD | WEIGHT (LBS) |
| 2.5 Gallon (AI-2.5-10-3KT-SS) | 11.5 | 5.2 | 2”-12 UNF | 5 |
| 5 Gallon (AI-5-10-3KT-SS) | 23 | 5.2 | 2”-12 UNF | 7 |
| 10 Gallon (AI-10-10-3KT-SS) | 43.5 | 5.2 | 2”-12 UNF | 9 |
| 15 Gallon (AI-15-10-3KT-SS) | 64 | 5.2 | 2”-12 UNF | 11 |
| GT TYPE 3000 & 5000 PSI BLADDER KITS | ||||
|---|---|---|---|---|
| SIZE (PART NO.) | L1 (IN) | L2 (IN) | STD. THREAD OD | WEIGHT (LBS) |
| 2.5 Gallon (AI-2.5-GT5-3KT) | 11.5 | 4.8 | 2”-12 UNF | 6 |
| 5 Gallon (AI-5-GT5-3KT) | 23 | 4.8 | 2”-12 UNF | 8 |
| 10 Gallon (AI-10-GT5-3KT) | 43.5 | 4.8 | 2”-12 UNF | 10 |
| 15 Gallon (AI-15-GT5-3KT) | 64 | 4.8 | 2”-12 UNF | 12 |
| ANTI-EXTRUSION RINGS | |
|---|---|
| PART NUMBER | SIZE |
| AI-1PT-407 | 1 PT, 3000 PSI |
| AI-1QT-407 | 1 QT, 3000 & 5000 PSI |
| AI-1-407 | 1 & 1.5 GAL, 3000 & 6000 PSI |
| AI-S-407 | 2.5-15 GAL, 3000 & 6000 PSI |
| AI-S10-407 | 2.5-15 GAL, 10000 PSI |
| AI-HF-407 | High Flow |
Anti-Extrusion Rings are not included in bladder kits
GAS VALVES
AI-GT3-309-KIT 3000 PSI
AI-S3-309-KIT 3000 PSI
AI-S6-309-KIT 5000 & 6000 PSI
AI-S10-309-KIT 10000 PSI
AI-S3-309-15 1500 PSI
| COMPONENT PARTS |
||
|---|---|---|
| PART | DESCRIPTION | AI PART # |
| 1 | Valve core | AI-S-304 |
| 2a | Valve cap | AI-S-303 |
| 2b | Valve cap, stainless | AI-S-303-SS-316 |
| OD THREAD SPECIFICATIONS |
|
|---|---|
| PART | DESCRIPTION |
| C | .305”-32 UNEF OD |
| D | 3/8”-24 UNF OD |
| E | 1/2”-20 UNF OD |
| 3000 PSI ASSEMBLIES | ||||
|---|---|---|---|---|
| PART | DESCRIPTION | 1 QUART | 1-1.5 GALLON | 2.5-15 GALLON |
| Fluid port assembly (1-12) | AI-1QT-400 | AI-1-400 | AI-S3-400 |
|
| Plug and poppet assembly (1-6) | AI-1QT-401 | AI-1-401 | AI-S3-401 |
|
| 1 | Poppet | AI-1QT-404 | AI-1-404 | AI-S-404 |
| 2 | Spring | AI-1QT-409-SS | AI-1-409-SS | AI-S-409-SS |
| 3 | Fluid port | AI-1QT-402 | AI-1-402 | AI-S3-402 |
| 4 | Bleed plug NPT | - | AI-S-418 | AI-S-418 |
| 4 | Bleed plug SAE | - | AI-S-419 | AI-S-419 |
| 5 | Piston | AI-1QT-405-SS | AI-1-405-SS | AI-S-405-SS |
| 6 | Stop nut | AI-1QT-408 | AI-1-408 | AI-S-408-SS |
| 7 | Anti-extrusion ring | AI-1QT-407 | AI-1-407 | AI-S-407 |
| 8 | Metal backup ring | AI-1QT-412 | AI-1-412 | AI-S-412 |
| 9 | O-ring | AI-1QT-410 | AI-1-410 | AI-S-410 |
| 10 | Rubber backup ring | - | AI-1-411 | AI-S-411 |
| 11 | Spacer | AI-1QT-406 | AI-1-406 | AI-S3-406 |
| 12 | Locknut | AI-1QT-403 | AI-1-403 | AI-S-403 |
| 5000 AND 6000 PSI ASSEMBLIES | ||||
|---|---|---|---|---|
| PART | DESCRIPTION | 1 QUART 5000 PSI | 1 GALLON 6000 PSI | 2.5-15 GALLON 6000 PSI |
| Fluid port assembly (1-12) | AI-1QT-400 | AI-1-6-400 | AI-S6-400 |
|
| Plug and poppet assembly (1-6) | AI-1QT-401 | AI-1-6-401 | AI-S6-401 |
|
| 1 | Poppet | AI-1QT-404 | AI-1-6-401 | AI-S-404 |
| 2 | Spring | AI-1QT-409-SS | AI-1-409-SS | AI-S6-409-SS |
| 3 | Fluid port | AI-1QT-402 | AI-1-6-402 | AI-S6-402 |
| 5 | Piston | AI-1QT-405-SS | AI-1-405-SS | AI-S-405-SS |
| 6 | Stop nut | AI-1QT-408 | AI-1-408 | AI-S-408-SS |
| 7 | Anti-extrusion ring | AI-1QT-407 | AI-1-407 | AI-S-407 |
| 8 | Metal backup ring | AI-1QT-412 | AI-1-412 | AI-S-412 |
| 9 | O-ring | AI-1QT-410 | AI-1-410 | AI-S-410 |
| 10 | Rubber backup ring | - | AI-1-411 | AI-S-411 |
| 11 | Spacer | AI-1QT-406 | AI-1-6-406 | AI-S6-406 |
| 12 | Locknut | AI-1QT-403 | AI-1-403 | AI-S-403 |
Our fluid ports are available in carbon steel, nickel-plated carbon steel and stainless steel. Replacement fluid port assemblies for 1 Pint 3000 PSI and 2.5-15 gallon 10000 PSI accumulators are also available. Please see click here to see standard port options.
We offer a wide variety of maintenance tools and other accessories for bladder accumulators.