Call or Text: 713-465-0202

Bladders And Spare Parts

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
1Seal Rings
2Gas Valve*
3Bladder

*3000 PSI gas valve shown

3000 PSI BLADDER KITS
SIZE (PART NO.) L1 (IN)L2 (IN)STD. THREAD OD WEIGHT (LBS)
1 Pint (AI-1PT-3KT) 5.25 1.75/8”-18 UNF 1
1 Quart (AI-1QT-3KT) 5.7 1.75/8”-18 UNF 1
150 CI (AI-150CI-3KT) 112.35/8”-18 UNF 1
1 Gallon (AI-1-3KT) 82.37/8”-14 UNF 1
1.5 Gallon (AI-1.5-3KT) 12.02.37/8”-14 UNF 1
2.5 Gallon (AI-2.5-3KT) 11.52.37/8”-14 UNF 2
5 Gallon (AI-5-3KT) 232.37/8”-14 UNF 4
10 Gallon (AI-10-3KT) 43.52.37/8”-14 UNF 6
11 Gallon (AI-11-3KT) 49.52.37/8”-14 UNF 7
15 Gallon (AI-15-3KT) 642.37/8”-14 UNF 8
40 Gallon (AI-40-3KT) 8052”-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) 5.71.77/8”-14 UNF 1
1 Gallon (AI-1-6-3KT) 81.77/8”-14 UNF 1
2.5 Gallon (AI-2.5-6-3KT) 11.53.37/8”-14 UNF 2
5 Gallon (AI-5-6-3KT) 233.37/8”-14 UNF 4
10 Gallon (AI-10-6-3KT) 43.53.37/8”-14 UNF 6
15 Gallon (AI-15-6-3KT) 643.37/8”-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) 11.55.22”-12 UNF 5
5 Gallon (AI-5-10-3KT-SS) 235.22”-12 UNF 7
10 Gallon (AI-10-10-3KT-SS) 43.55.22”-12 UNF 9
15 Gallon (AI-15-10-3KT-SS) 645.22”-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) 11.54.82”-12 UNF 6
5 Gallon (AI-5-GT5-3KT) 234.82”-12 UNF 8
10 Gallon (AI-10-GT5-3KT) 43.54.82”-12 UNF 10
15 Gallon (AI-15-GT5-3KT) 644.82”-12 UNF 12
ANTI-EXTRUSION RINGS
PART NUMBERSIZE
AI-1PT-4071 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

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
PARTDESCRIPTIONAI PART #
1Valve core AI-S-304
2aValve cap AI-S-303
2bValve cap, stainless AI-S-303-SS-316
OD THREAD SPECIFICATIONS
PARTDESCRIPTION
C.305”-32 UNEF OD
D3/8”-24 UNF OD
E1/2”-20 UNF OD
3000 PSI ASSEMBLIES
PARTDESCRIPTION1 QUART1-1.5 GALLON 2.5-15 GALLON
Fluid port assembly (1-12)AI-1QT-400AI-1-400AI-S3-400
Plug and poppet assembly (1-6)AI-1QT-401AI-1-401AI-S3-401
1PoppetAI-1QT-404AI-1-404AI-S-404
2SpringAI-1QT-409-SSAI-1-409-SSAI-S-409-SS
3Fluid portAI-1QT-402AI-1-402AI-S3-402
4Bleed plug NPT-AI-S-418AI-S-418
4Bleed plug SAE-AI-S-419AI-S-419
5PistonAI-1QT-405-SSAI-1-405-SSAI-S-405-SS
6Stop nutAI-1QT-408AI-1-408AI-S-408-SS
7Anti-extrusion ringAI-1QT-407AI-1-407AI-S-407
8Metal backup ringAI-1QT-412AI-1-412AI-S-412
9O-ringAI-1QT-410AI-1-410AI-S-410
10Rubber backup ring-AI-1-411AI-S-411
11SpacerAI-1QT-406AI-1-406AI-S3-406
12LocknutAI-1QT-403AI-1-403AI-S-403
5000 AND 6000 PSI ASSEMBLIES
PARTDESCRIPTION1 QUART 5000 PSI1 GALLON 6000 PSI2.5-15 GALLON 6000 PSI
Fluid port assembly (1-12)AI-1QT-400AI-1-6-400AI-S6-400
Plug and poppet assembly (1-6)AI-1QT-401AI-1-6-401AI-S6-401
1PoppetAI-1QT-404AI-1-6-401AI-S-404
2SpringAI-1QT-409-SSAI-1-409-SSAI-S6-409-SS
3Fluid portAI-1QT-402AI-1-6-402AI-S6-402
5PistonAI-1QT-405-SSAI-1-405-SSAI-S-405-SS
6Stop nutAI-1QT-408AI-1-408AI-S-408-SS
7Anti-extrusion ringAI-1QT-407AI-1-407AI-S-407
8Metal backup ringAI-1QT-412AI-1-412AI-S-412
9O-ringAI-1QT-410AI-1-410AI-S-410
10Rubber backup ring-AI-1-411AI-S-411
11SpacerAI-1QT-406AI-1-6-406AI-S6-406
12LocknutAI-1QT-403AI-1-403AI-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