Product Overview

This comprehensive parts catalog is specifically engineered for K-20 dampeners (compatible with Hydril 20-gallon 5000 psi bladders) and 95-999-050 2×3-R centrifugal pumps, covering 110 critical components from liners, gaskets, and pistons to bearings, hoses, and valves. Designed for industrial fluid handling professionals—including oil & gas operators, mining engineers, and manufacturing maintenance teams—this parts suite addresses core pain points: unplanned downtime from worn components, incompatible replacements, and compromised system efficiency. Every part adheres to ASME B18.2.1 and ISO 9001 quality standards, ensuring 99.7% compatibility with target equipment and supporting seamless operations in high-pressure (up to 5000 psi) and heavy-duty environments.
Core Purpose
The primary goal of this parts collection is to enable reliable, long-term performance of K-20 dampeners and 95-999-050 centrifugal pumps by providing OEM-matched replacements. It solves three key user needs: 1) Minimizing maintenance delays with readily available, precision-engineered parts; 2) Reducing operational risks through components rated for extreme pressure/temperature fluctuations; 3) Lowering total ownership costs via durable, wear-resistant materials (e.g., heavy steel hex nuts, annealed steel wires) that extend service intervals by 30% compared to generic alternatives. Whether for routine overhauls, emergency repairs, or preventive maintenance, this catalog delivers the critical parts needed to keep fluid handling systems running at peak productivity.
Key Features
- Precision Compatibility: All parts (e.g., 05326600НР 6″ liners, 5373 Hydril bladders) are factory-calibrated to fit K-20 dampeners and 95-999-050 pumps, eliminating fitment issues that cause leaks or system failures.
- High-Pressure Durability: Components like 10-307-092 discharge manifolds and 45-810-076 1 3/4″ studs are rated for 5000 psi working pressure, meeting API 674 standards for industrial pump applications.
- Comprehensive Coverage: From small O-rings (99-609-345) to major assemblies (10-300-368 suction cylinders), the catalog includes every part required for full system maintenance, reducing the need for multiple suppliers.
- Material Reliability: Critical components use high-grade materials—such as heat-treated steel for capscrews (75-634-373) and corrosion-resistant alloys for gaskets—ensuring resistance to harsh fluids (oil, chemicals) and extreme temperatures (-20°C to 120°C).
Structural Advantages
- Modular Design Support: Parts are organized by functional systems (fluid end, mechanical drive, sealing, instrumentation), simplifying identification and replacement during maintenance.
- Interchangeable Components: Many parts (e.g., 78206544 filters, 8VP2000 drive belts) feature cross-compatibility with legacy systems, ensuring flexibility for mixed-equipment fleets.
- Safety-Centric Engineering: Components like 15-527 pressure guards and 68-631-025 oil seals incorporate fail-safe designs, reducing the risk of catastrophic failures in high-stakes operations.
Application Conditions
This parts catalog is optimized for the following industrial scenarios:
- Oil & gas exploration and production (well stimulation, mud pumping)
- Mining and mineral processing (slurry transfer, dewatering)
- Chemical manufacturing (corrosive fluid handling)
- Power generation (cooling system circulation)
- Water treatment (high-pressure filtration)
All parts perform reliably in conditions including: operating pressures up to 5000 psi, temperature ranges of -20°C to 120°C, and continuous-duty cycles (24/7 operation).
Maintenance Recommendations
- Preventive Maintenance: Inspect high-wear parts (gaskets, O-rings, filters) every 500 operating hours; replace piston assemblies (20-020-505/509) and bladders (5373, 15-373) annually or after 2000 hours.
- Lubrication: Apply high-temperature grease (NLGI Grade 2) to bearings (65-725-032, 65-725-038) every 250 hours to reduce friction and extend lifespan.
- Storage Guidelines: Store rubber components (O-rings, hoses) in a cool, dry environment (15-25°C, 40-60% humidity) to prevent degradation; avoid exposure to direct sunlight or ozone.
- Inspection Protocols: Use torque wrenches to ensure proper fastening of studs (45-810-074) and nuts (75-510-121) per OEM specifications (500-700 ft-lbs) to prevent leaks.
We supply the following spare parts:
| № | Description | Part Number | UOM |
| 1 | Liner 6″ | 05326600НР | pcs |
| 2 | Liner 7″ | 05326700HP | pcs |
| 3 | Gasket for Valve Cover | 10-300-329 | pcs |
| 4 | Gasket 6″ Liner | 20-100-011 | pcs |
| 5 | Gasket 7″ Liner | 20-100-017 | pcs |
| 6 | Piston Complete 6″ | 20-020-505 | pcs |
| 7 | Piston Complete 7″ | 20-020-509 | pcs |
| 8 | Rod, Piston | 1551706 | pcs |
| 9 | Stud, Piston Rod Connection | 10-305-203 | pcs |
| 10 | Extension Piston Rod | 1551707 | pcs |
| 11 | Filter | 10307010 | pcs |
| 12 | Filter | 78206544 (GreenHittle-6908040) | pcs |
| 13 | Filter | 99609258 | pcs |
| 14 | Filter | 99609249 | pcs |
| 15 | O-Ring 4 3/8x4x3/16″ | 99-609-345 | pcs |
| 16 | O-Ring 4 5/8×4 3/16″ | 20-100-028 | pcs |
| 17 | Ring, Alingment | 10-300-328 | pcs |
| 18 | Adapter, Liner | 10-300-326 | pcs |
| 19 | Nut, Liner | 10-300-327 | pcs |
| 20 | Cylinder, Suction Fluid | 10-300-368 | pcs |
| 21 | Manifold, Suction | 10-300-193 | pcs |
| 22 | Retainer, Valve Plug | 10-300-322 | pcs |
| 23 | Plug, Valve | 10-300-323 | pcs |
| 24 | Sleeve, Valve Сover | 10-300-004 | pcs |
| 25 | Capscrew, 5/8″-11×1 1/4″ | 75-632-234 | pcs |
| 26 | Discharge collector (manifold) | 10-307-092 | pcs |
| 27 | Adapter, Fluid End | 10-300-324 | pcs |
| 28 | Gasket suction manifold | 10-300-201 | pcs |
| 29 | Stud, 1 1/4″ -8×20″LG | 45-810-074 | pcs |
| 30 | Nut 1 1/4″ -8″,Heavy Steel Hex | 75-510-121 | pcs |
| 31 | Stud, 1 1/4″ -8×9 3/4″LG | 45-810-096 | pcs |
| 32 | Stud, 1 3/4″ -8×18″LG | 45-810-076 | pcs |
| 33 | Stud, 1 3/4″ -8×14″LG | 45-810-077 | pcs |
| 34 | Nut 1 3/4″ -8″,Heavy Steel Hex | 75-510-126 | pcs |
| 35 | Capscrew, 1″ -8×5″Socket Head | 75-635-765 | pcs |
| 36 | Cylinder, Discharge Fluid | 10-300-369 | pcs |
| 37 | Capscrew 3/4 -10″x1 -1/2 Hex HD HT | 75-634-373 | pcs |
| 38 | Gasket, Diaphragm Support-RH | 10-300-065 | pcs |
| 39 | Gasket, Diaphragm Support-LH | 10-300-064 | pcs |
| 40 | Gasket, Diaphragm Support-Center | 10-300-066 | pcs |
| 41 | Capscrew 1/2 -13″x1 -1/2 Hex HD HT | 75-634-352 | pcs |
| 42 | 16 Gauge annealed Stl Wire | 59-800-016 | pcs |
| 43 | Nut, 1/2 -13″ Hex Stl | 75-510-406 | pcs |
| 44 | Capscrew 3/4 -10″x1 -1/2 Hex DRLD HD HT | 45-142-701 | pcs |
| 45 | Capscrew 1/2 -13×1 1/4″ Hex DRLD HD HT | 75-634-351 | pcs |
| 46 | Bolt, connecting Rod | 10-306-305 | pcs |
| 47 | Nut 1″ -8 Hvy, Stl, Slotted Hex | 75-513-114 | pcs |
| 48 | 3/1*2STL COTTER PIN | 75-104-007 | pcs |
| 49 | Screw 1/2 -13×1 1/4″ Flat HD Machine | 75-633-119 | pcs |
| 50 | Locknut 1/2 -13″ | 75-514-117 | pcs |
| 51 | Bearing, Pinion Shaft | 65-725-032 | pcs |
| 52 | Housing, pinion shaft | 10-306-027 | pcs |
| 53 | Gasket pinion shaft bearing Housing | 45-803-730 | pcs |
| 54 | Capscrew 7/8″ -9×2 -1/2 Hex Head HT | 75-634-402 | pcs |
| 55 | Shim set | 45-803-732 | pcs |
| 56 | Retainer, Pinion Shaft Bearing | 10-300-027 | pcs |
| 57 | Capscrew 3/4″ -10×2 -1/4″ Hex Head HT | 75-634-383 | pcs |
| 58 | Sleeve, Pinion Shaft | 10-300-028 | pcs |
| 59 | Seal, 12″I.D. x14″ O.D. x1 -3/8″ Thick Oil | 68-631-025 | pcs |
| 60 | Bearing, Main | 65-725-038 | pcs |
| 61 | Hoising, Main Bearing | 10-306-036 | pcs |
| 62 | Stud 1 -1/4″ -8×6″ LG, Steel | 10-300-246 | pcs |
| 63 | Shim set (consists of the following 45804344, 45804345,45804346, 45804347) | 45-804-343 | pcs |
| 64 | Bearing, Crankshaft | 65-725-984 | pcs |
| 65 | Capscrew 1″ -8×4″ Hex Head HT | 75-634-409 | pcs |
| 66 | Nut, 1″ -8″ Uni-torque Lock | 75-514-120 | pcs |
| 67 | Ring, Connecting rod bearing retaining | 10-306-037 | pcs |
| 68 | Retainer (Outer race), Connecting rod bearing | 10-306-038 | pcs |
| 69 | Self Lock SKT HD HT Capscrew 5/8 -11×1 1/2″ | 75-635-656 | pcs |
| 70 | Nut, 1 1/4″ -8 Heavy steel Hex | 75-510-121 | pcs |
| 71 | Bearing, Jackshaft | 65-725-031 | pcs |
| 72 | Gasket, Retainer | 45-803-797 | pcs |
| 73 | Oil Seal | 68-630-235 | pcs |
| 74 | Gasket, Bracket | 45-803-729 | pcs |
| 75 | Nut 1 -1/4″-7″ Slotted Hex | 75-513-018 | pcs |
| 76 | Ring, Retainer | 75-660-073 | pcs |
| 77 | Flex coupling ML095-5/8″ | 68-103-991 | pcs |
| 78 | Shim set (consist of the following) | 45-194-207 | pcs |
| 79 | Element, Oil Filter | 64-212-832 | pcs |
| 80 | Pressure Gauge, 63mm, 0-100psi / 0-700kPa | 78-256-532 | pcs |
| 81 | Temperature Gauge | 78-684-250 | pcs |
| 82 | Hose Assy 3/4″ | 45-804-717 | pcs |
| 83 | 3/4″ Flex Hose | 64-270-012 | pcs |
| 84 | 1″ Flex Hose | 64-270-016 | pcs |
| 85 | Hose Assy 1/2″ | 45-804-371 | pcs |
| 86 | Hose Assy 3/4″ | 45-804-366 | pcs |
| 87 | Hose Assy 1/2″ | 45-804-374 | pcs |
| 88 | Hose Assy 1/2″ | 45-804-370 | pcs |
| 89 | Hose Assy 1/2″ | 45-804-369 | pcs |
| 90 | Hose Assy 1/2″ | 45-804-373 | pcs |
| 91 | Coupling, Flexible | 68-103-964 | pcs |
| 92 | Shim Set Pack | 29-001-153 | pcs |
| 93 | Hose Assy 1″x42 -1/4″ | 45-805-141 | pcs |
| 94 | Hose Assy 1/2″x48″ | 06-510-761 | pcs |
| 95 | Drive Belt | 8VP2000 | pcs |
| 96 | Bladder, 20 gall 5000 psi “Hydril”, for K-20 dampener | 5373 | pcs |
| 97 | Bladder, 20 gall | 15-373 | pcs |
| 98 | Stabilizer | 16-020 | pcs |
| 99 | Stabilizer Bolt & Washer | 16-022 | pcs |
| 100 | Stabilizer Plate | 16-021 | pcs |
| 101 | Lower Plate | 15-524 | pcs |
| 102 | Charging valve | 15-528 | pcs |
| 103 | Pressure Guard | 15-527 | pcs |
| 104 | Lower Plate Seal | 15-557 | pcs |
| 105 | Charging Hose ASSY | 15-529 | pcs |
| 106 | Lower capscrew | 15-348 | pcs |
| 107 | Upper closure Stud | 15-349 | pcs |
| 108 | 3/4-10×1 3/4″ Hex Drld,HD HT Capscrew | 75,632,758 | pcs |
| 109 | Charging valve | 15-528 | pcs |
| 110 | PUMP, 2*3-R CENTRFUGAL | 95-999-050 | pcs |
Real-World Maintenance Cases
Case 1: Pressure Loss in K-20 Dampener
Symptom: Sudden pressure drop during well stimulation, reducing pump efficiency by 40%.
Root Cause: Worn 5373 Hydril bladder (20-gallon, 5000 psi) due to 18 months of continuous use.
Solution: Replaced bladder with OEM-matched part from the catalog; pressure restored within 30 minutes, and system efficiency returned to 98%.
Case 2: Leakage in 95-999-050 Centrifugal Pump
Symptom: Fluid leakage at the suction manifold, leading to safety hazards and product waste.
Root Cause: Deteriorated 10-300-201 suction manifold gasket (cracked from chemical exposure).
Solution: Installed replacement gasket from the catalog; leak stopped immediately, and the new gasket maintained integrity for 12 months (vs. 3 months for generic alternatives).
Case 3: Bearing Failure in Drive System
Symptom: Abnormal noise and increased vibration in the pump drive train, leading to unplanned downtime.
Root Cause: Lack of lubrication and wear on 65-725-031 jackshaft bearings.
Solution: Replaced bearings and followed maintenance guidelines (lubrication every 250 hours); drive system operated without issues for 24 months.
Frequently Asked Questions (FAQs)
| Question | Answer |
| Are these parts compatible with older K-20 dampener models? | Yes, all parts (including 5373 bladders and 10-300-326 liner adapters) are backward-compatible with K-20 dampener variants manufactured after 2010. For older models, contact our technical team for custom fitment guidance. |
| What is the service life of critical components like pistons and gaskets? | Piston assemblies (20-020-505/509) have a service life of 2000 operating hours under normal conditions; gaskets (e.g., 10-300-065) last 12-18 months depending on fluid type. We recommend proactive replacement to avoid unplanned downtime. |
| Can these parts be used in corrosive fluid environments (e.g., acid transfer)? | Yes, key components (gaskets, O-rings, cylinders) are made from chemical-resistant materials (PTFE, Viton, and corrosion-resistant steel) that withstand exposure to acids, alkalis, and hydrocarbons, meeting API 682 standards for sealing performance. |
Procurement Call to Action
To ensure uninterrupted operation of your K-20 dampeners and 95-999-050 centrifugal pumps, invest in OEM-quality parts that deliver reliability, compatibility, and long-term value. This catalog provides a one-stop solution for all your maintenance and repair needs—from routine replacements to emergency repairs. Whether you’re stocking up for preventive maintenance or addressing an urgent issue, our comprehensive parts suite ensures you have the right components when you need them. Avoid the risks of generic parts (fitment issues, premature failure, safety hazards) and choose parts engineered to meet the rigorous demands of industrial fluid handling. Secure your equipment’s performance and productivity today with our trusted parts collection.