Product Introduction

This collection features authentic-spec Koomey replacement parts, including nitrile bladder assemblies (817100, 817600), DNV-certified anti-extrusion rings (1000-4105), precision valves, air cylinder assemblies, pressure switches, and dedicated repair kits. Every component is manufactured to strict OEM tolerances (±0.003 inch machining precision) and material standards, ensuring full compatibility with Koomey 3000 PSI hydraulic systems without modification. Unlike generic aftermarket parts, these components undergo 3000 PSI hydrostatic pressure testing and 100-hour endurance validation, meeting global industrial safety and performance benchmarks for heavy-duty hydraulic operations.
Key Functional Capabilities
- Pressure Containment & Sealing: Nitrile bladder assemblies and high-durability O-rings (8717-2338, 8717-2011) maintain consistent 3000 PSI pressure retention, eliminating fluid leaks and pressure decay that disrupt operational flow.
- System Protection & Regulation: 3500 PSI relief valves (17002100) and hydro-pneumatic pressure switches (2250-0100) prevent over-pressurization damage, safeguarding critical hydraulic hardware from catastrophic failure.
- Actuation & Flow Control: 2/3-position 4-way rotary valves and air cylinder assemblies (20001100) deliver smooth, responsive hydraulic flow control for drilling and heavy equipment operations.
- Field Repair Efficiency: Pre-matched repair kits (9303300, 13304199) enable quick on-site component replacement, cutting repair time by up to 65% compared to custom-fabricated parts.
Structural & Material Advantages
All parts are built with industrial-grade materials engineered for extreme durability: carbon steel anti-extrusion rings with DNV certification for offshore compliance, oil-resistant nitrile rubber seals rated for -40°F to 225°F operating temperatures, and precision-machined steel hardware resistant to vibration and corrosion. Modular, interchangeable design ensures seamless fit with 10/11-gallon Koomey accumulators and 30-3100 air-operated pumps, while reinforced sealing interfaces reduce wear from continuous high-pressure cycling—extending component service life by 35% versus standard aftermarket alternatives.
Applicable Operating Conditions
These parts are optimized for harsh, high-demand environments where 3000 PSI Koomey hydraulic systems are deployed: offshore drilling rigs (saltwater corrosion resistance), land-based drilling operations (dust and debris protection), industrial hydraulic power units (continuous 24/7 operation), and heavy construction/mining equipment (extreme vibration and temperature fluctuations). They perform reliably under intermittent and continuous pressure loading, meeting the strict operational requirements of both stationary and mobile hydraulic systems.
Maintenance & Service Recommendations
- Inspect bladder assemblies (817100, 817600) quarterly for wear; replace if pressure loss exceeds 5% over a 24-hour period to prevent sudden failure.
- Lubricate air cylinder components (20001100) and rotary valves (13304100) with ISO 46 hydraulic oil every 90 days to prevent seizing and friction wear.
- Replace O-rings, backup washers, and anti-extrusion rings during every major accumulator overhaul to maintain sealing integrity.
- Calibrate hydro-pneumatic pressure switches (2250-0100) annually with a certified pressure gauge to ensure accurate pressure triggering.
- Store spare parts in a dry, temperature-controlled environment to preserve nitrile rubber and steel component integrity.
We supply the following spare parts:
| # | Description | Part no | UOM |
| 1 | 11 Gallon, 3000 PSI, Bladder Assembly Nitirle Bladder | 817100 | EA. |
| 2 | 10 Gallon, 3000 PSI, Bladder Assembly Nitirle Bladder | 817600 | EA. |
| 3 | Anti-Extrusion Ring, / F 2.5-11 Gallon, Carbon Steel, Nitrile, DNV | 1000-4105 | EA. |
| 4 | Hex Jam Nut | 1000-3102 | EA. |
| 5 | Valve Guard | 1000-3101 | EA. |
| 6 | O-Ring Back Up, Nitrile | 8842-8338 | EA. |
| 7 | O-Ring, Nitrile | 8717-2338 | EA. |
| 8 | WASHER BACK UP, 2″, 3000# PSI ACCUMULATOR 10 GAL/11 GAL MFG: KMY P/N# 1000-4106 | 1000-4106 | EA. |
| 9 | Locknut, Port | 1000-4110 | EA. |
| 10 | Spacer, 3000 psi | 1000-4107 | EA. |
| 11 | CAP, DUST ACCUMULATOR MFG: KMY P/N# 8099-0001 | 8099-0001 | EA. |
| 12 | VALVE, CAP – MFG:KMY – P/N# 1000-0105 | 1000-0105 | EA. |
| 13 | Valve, Core | 1000-0106 | EA. |
| 14 | ASSEMBLY, PORT 1 1/4″,10,11GALLON BOTTL – MFG: KMY – P/N# 1000-3195 | 1000-3195 | EA. |
| 15 | Charging Valve Adapter | 817098 | EA. |
| 16 | O-Ring | 8717-2011 | EA. |
| 17 | PUMP, AIR OPERATED 50:1 RATIO, 6 INCH DIA. AIR MOTOR – MFG : KOOMEY – P/N # :30-3100 | 30-3100 | EA. |
| 18 | KIT, REPAIR HYDRAULIC PUMP – MFG : S&S – P/N # 9303300 | 9303300 | EA. |
| 19 | HYDRO-PENUMATIC PRESSURE SWITCH 3000PSI – MFG: KMY – P/N# 2250-0100 | 2250-0100 | EA. |
| 20 | Hydro-Pneumatic Pressure Switch_ New Repair Kit | 2250-0199 | EA. |
| 21 | Complete set 2/3-Position 4-Way Rotary Valve_Model KMY | 13304100 | EA. |
| 22 | 2/3-Position 4-Way Rotary Valve Repair Kit | 13304199 | EA. |
| 23 | ASSY, AIR CYLINDER & CLEVIS TWO – POSITION AIR SYLINDER – MFG : KMY – P/N # 20001100 04-00129 | 20001100 | EA. |
| 24 | 3″ Air Cylinder Repair Kit | 2000-1199 | EA. |
| 25 | RELIEF VALVE, 3500PSI – MFG : KMY – P/N # 17002100 | 17002100 | EA. |
| 26 | VALVE, KR-REGULATOR, 1″, MANUAL – MFG: KMY – P/N# 1110-3100 | 1110-3100 | EA. |
| 27 | VALVE, CHECK 1/2 IN FPT 5000 PSI STEEL – MFG : S&S – P/N # 16011100 | 16011100 | EA. |
| 28 | KIT, REPAIR 1 IN ACCUMULATOR VALVE – MFG: KMY – P/N# 11103199 | 11103199 | EA. |
| 29 | Charging Kit for Top Loading | 0902-0100 | EA. |
On-Site Field Failure Repair Case Studies
Case 1: Offshore Drilling Accumulator Pressure Leak
An offshore rig experienced severe 3000 PSI accumulator pressure loss, halting drilling operations. Technicians replaced the worn 11-gallon nitrile bladder (817100) and damaged anti-extrusion ring (1000-4105), restoring full pressure retention within 40 minutes and resuming operations without further issues.
Case 2: Land Drilling Rig Air Cylinder Malfunction
A land drilling rig’s 2-position air cylinder (20001100) failed to actuate rotary valves, causing inconsistent hydraulic flow. Crews installed the 3” air cylinder repair kit (2000-1199) on-site, resolving actuation issues and restoring full system control in under 1 hour.
Case 3: Industrial Hydraulic Pump Seizure
A stationary hydraulic power unit with a Koomey 50:1 air pump (30-3100) seized due to worn internal components. Maintenance teams used the hydraulic pump repair kit (9303300) to replace damaged parts, eliminating pump friction and returning the unit to full 3000 PSI operating capacity.
Frequently Asked Questions (FAQs)
| Question | Answer |
| Are these parts compatible with all Koomey 10/11-gallon 3000 PSI accumulators? | Yes, every part is designed to exact OEM specifications for 10-gallon (817600) and 11-gallon (817100) Koomey 3000 PSI bladder accumulators, with perfect fitment for model 30-3100 pumps and 13304100 rotary valves. |
| What is the service life of the nitrile bladder assemblies under normal use? | With routine maintenance, the 817100 and 817600 nitrile bladders have a 18–24 month service life in continuous 3000 PSI operation, and up to 30 months in intermittent use scenarios. |
| Do repair kits include all components for full on-site repairs? | Yes, each repair kit (9303300, 2250-0199, 13304199) includes all required seals, hardware, and replacement parts to complete full component repairs without additional purchases. |
Conclusion & Procurement Guidance
This Koomey parts portfolio serves as both a standardized procurement reference for inventory stocking and a technical troubleshooting guide for resolving common 3000 PSI hydraulic system failures. Backed by rigorous quality testing, OEM-grade specifications, and field-proven performance, these components eliminate the risks of ill-fitting aftermarket parts, reduce maintenance costs, and preserve the operational integrity of Koomey hydraulic accumulator and pump systems.
For businesses seeking reliable replacement parts to maintain drilling equipment, offshore hydraulic systems, or industrial power units, this parts lineup delivers consistent performance and compliance with industry standards. Whether sourcing individual components for emergency repairs or bulk quantities for scheduled maintenance, these parts align with strict quality benchmarks to support uninterrupted operations. Reach out to secure these OEM-grade Koomey parts tailored to your 3000 PSI hydraulic system requirements, with flexible ordering options to match your operational and inventory needs.