Core Application & Target User Requirements
This parts catalog is specifically tailored for Drawworks Disc Brake Hydraulic Stations, with primary compatibility for the TY-Z Series Hydraulic Power Unit. It addresses the specialized needs of oilfield drilling maintenance teams, drawworks operation supervisors, and hydraulic system technicians—professionals who rely on robust, explosion-proof, and high-pressure-resistant components to ensure uninterrupted hydraulic power supply for critical drawworks braking operations. Operating in harsh oilfield environments (marked by high dust, humidity, and flammable atmospheres), these users prioritize parts that minimize unplanned downtime, resist corrosion and contamination, and maintain precise pressure control to guarantee safe hoisting and braking. The core purpose of this catalog is to provide a comprehensive, application-specific resource that combines procurement guidance with technical troubleshooting support, ensuring all components meet the rigorous operational standards of oilfield drawworks systems.
1. Hydraulic Power Generation Components
As the "power core" of the hydraulic station, these components convert mechanical energy into hydraulic energy to drive the entire drawworks brake system. In oilfield operations, they endure continuous high-load operation, flammable atmospheres, and hydraulic oil contamination—critical pain points include motor overheating, pump wear, and coupling failure, which can lead to sudden loss of hydraulic power and brake system paralysis. The parts in this category feature explosion-proof designs, wear-resistant materials, and precision machining to deliver stable power output and extended service life in extreme oilfield conditions.
No. | Part № | Description | Material | Primary Wear Causes | Damage Prevention Precautions |
1 | TY-Z | Hydraulic power unit | Q235B carbon steel frame + integrated explosion-proof components | Frame corrosion from oilfield moisture and drilling fluids; internal seal aging due to long-term high-pressure operation; component wear from contaminated hydraulic oil | Inspect frame for corrosion quarterly and touch up with anti-corrosion industrial paint; conduct comprehensive internal inspection every 2000 operating hours; ensure hydraulic oil meets NAS 8 cleanliness standard |
2 | QH-25 | Manual pump | 6061-T6 aluminum alloy pump body + 45# steel handle + NBR seals | Piston corrosion from infrequent use; seal drying and cracking; handle deformation from improper operation | Operate manual pump monthly to maintain seal lubrication; check pressure retention (hold 20MPa for 30 minutes without leakage); store in a dry, dust-free compartment |
2. Hydraulic Control & Pressure Regulation Components
These components serve as the "control center" of the hydraulic station, regulating system pressure, preventing backflow, and monitoring pressure levels. In oilfield high-pressure systems (up to 20MPa), key pain points include valve core wear, pressure gauge inaccuracy, and accumulator bladder failure—issues that can cause system overpressure, unstable braking force, or loss of pressure protection. The parts selected here feature precision-machined valve cores, explosion-proof pressure gauges, and corrosion-resistant materials to ensure accurate control and reliable protection for the drawworks brake system.
No. | Part № | Description | Material | Primary Wear Causes | Damage Prevention Precautions |
1 | TY-F-Y | Overflow valve | 40Cr steel valve body + H62 copper valve core + 65Mn spring | Valve core wear from contaminated hydraulic oil; spring fatigue leading to pressure deviation; seal aging causing oil leakage | Calibrate overflow pressure every 6 months (set to 20MPa); clean valve core and oil passages quarterly; replace spring if pressure fluctuation exceeds ±1MPa |
2 | TY-F-D | Check valve | 304 stainless steel valve body + NBR seal + 65Mn spring | Valve seat wear from frequent opening/closing; seal aging leading to backflow; contamination causing valve jamming | Inspect for backflow monthly using pressure test; clean valve body and seat every 800 hours; replace seal if leakage is detected |
3 | TY-F-G1 | Global valve | 20# carbon steel valve body + 316 stainless steel ball + FKM seal | Ball wear from high-pressure oil flow; valve stem wear causing operational stiffness; corrosion from oilfield moisture | Operate valve smoothly to avoid ball damage; lubricate valve stem with molybdenum disulfide grease quarterly; inspect valve body for corrosion monthly |
4 | TY-F-G2 | Global valve | 20# carbon steel valve body + 316 stainless steel ball + FKM seal | Same as TY-F-G1; additional wear from frequent branch circuit switching | Same as TY-F-G1; increase inspection frequency to biweekly for frequently used valves |
5 | QJH-15G | Global valve | 316 stainless steel valve body + 316 stainless steel ball + FKM seal | Valve jamming from infrequent use; seal aging leading to leakage; corrosion in humid environments | Operate emergency valve weekly to prevent jamming; check for leakage monthly; keep valve handle clean and free of debris |
6 | NXQ-F6.3/200 | Accumulator | 35# carbon steel shell + NBR bladder + 304 stainless steel valve | Bladder aging and rupture from high pressure; shell corrosion; gas leakage leading to pressure loss | Check pre-charged nitrogen pressure monthly (maintain at 8MPa); inspect shell for corrosion and cracks quarterly; replace bladder every 2 years |
7 | PT-7 | Pressure measuring connector G1/4″/M16 | 316 stainless steel connector body + FKM seal | Seal aging leading to oil leakage; thread wear from repeated disassembly; corrosion from hydraulic oil additives | Tighten with torque wrench (15-20 N·m); replace seal every 6 months; apply anti-seize compound to threads before installation |
3. Hydraulic Oil Treatment & Storage Components
These components are critical for maintaining hydraulic oil cleanliness, temperature, and storage integrity—directly impacting the lifespan of all hydraulic system parts. In oilfield operations, key pain points include filter blockage from dust and metal particles, cooler scaling from hard water, and oil tank corrosion from moisture and drilling fluids. The parts here feature high-efficiency filtering materials, corrosion-resistant tank construction, and efficient cooling systems to ensure hydraulic oil remains clean and within optimal operating temperature (30-60℃).
No. | Part № | Description | Material | Primary Wear Causes | Damage Prevention Precautions |
1 | ZU.1-E25×10BD-P | Pipeline oil filter (Filter element HDX-25×10) | 20# carbon steel filter body + glass fiber filter element + NBR seal | Filter element blockage from oil impurities; filter body corrosion; seal aging leading to oil leakage | Check pressure difference monthly (replace element if > 0.5MPa); clean filter body quarterly; replace seal if leakage is detected |
2 | RFA-40×10Y | Returning oil filter (Filter element FAX-40×10) | 20# carbon steel filter body + 304 stainless steel wire mesh element + FKM seal | Filter element clogging from return oil contaminants; filter body corrosion; bypass valve failure | Replace filter element every 1000 hours; inspect bypass valve operation monthly; flush filter body annually |
3 | KMCL-3Y04 | Cooler | TP2 copper cooling tubes + Q235B carbon steel shell + EPDM gaskets | Cooling tube scaling reducing efficiency; shell corrosion; gasket aging leading to coolant leakage | Descale cooling tubes every 6 months with chemical cleaner; inspect shell for corrosion quarterly; replace gaskets annually |
4 | QUQ2 | Air filter | PA6 plastic shell + polyester fiber filter element + NBR seal | Filter element blockage from dust; shell deformation from impact; seal aging leading to air leakage | Clean filter element monthly; replace element every 12 months; protect from impact and heavy dust accumulation |
5 | BGY2-220/1 | Explosion-proof heater | 316 stainless steel heating tube + 6061 aluminum alloy housing + explosion-proof wiring | Heating tube scaling leading to overheating; housing corrosion; insulation aging causing short circuit | Use only when oil temperature < 10℃; clean heating tube every 6 months; check insulation resistance monthly (≥ 2MΩ) |
6 | GB1235-76 | O sealing ring ￠75×3.1 | NBR rubber (oil-resistant) | Aging and hardening from high temperature; wear from friction; chemical degradation from incompatible oil | Replace every 12 months regardless of condition; use only oil-compatible NBR rubber; avoid sharp edges during installation |
4. Hydraulic Pipeline & Connection Components
These components form the "vascular system" of the hydraulic station, transmitting hydraulic oil between components under high pressure. In oilfield operations, they face high-pressure fatigue, vibration-induced wear, and corrosion from moisture and drilling chemicals—key pain points include hose burst, connector leakage, and pipeline deformation, which can cause catastrophic oil loss and system failure. The parts here feature high-pressure-resistant materials, reliable sealing structures, and corrosion-resistant finishes to ensure safe, leak-free oil transmission.
No. | Part № | Description | Material | Primary Wear Causes | Damage Prevention Precautions |
1 | JB1885-77 | High-pressure hose 221-600KA | NBR inner tube + high-strength steel wire braid + polyurethane outer cover | Inner tube wear from high-pressure flow; steel wire corrosion; outer cover damage from friction/impact | Inspect for cracks/bulges weekly; replace every 2 years; avoid bending beyond minimum radius (≥ 80mm); use vibration-damping clamps |
2 | JB984 | Connector M14×1.5/ M22×1.5 | 316 stainless steel body + FKM seal | Thread wear from repeated disassembly; seal aging leading to leakage; corrosion from hydraulic oil | Tighten with torque wrench (25-30 N·m); replace seal every 6 months; apply anti-seize compound to threads |
3 | JB966 | Connector M22/ ZG3/4″ | 316 stainless steel body + FKM seal | Same as JB984; additional wear from high-pressure flow | Same as JB984; increase seal replacement frequency to 4 months |
4 | 0262004 | Connector | 20# carbon steel with zinc plating | Zinc plating wear leading to corrosion; thread wear; seal aging | Inspect for corrosion monthly; replace seal if leaking; store spares in dry environment |
5 | HA050200 | Quick coupling 1/4BSP | 316 stainless steel body + NBR seal | Seal aging leading to leakage; valve core wear from frequent connection; corrosion from moisture | Clean before connection; replace seal every 6 months; use dust caps when not in use |
6 | 90262003 | Connector | 20# carbon steel with zinc plating | Same as 0262004 | Same as 0262004 |
5. Integrated Oil-way Block & Structural Components
These components serve as the "skeleton" of the hydraulic station, integrating valves, supporting heavy components, and protecting internal parts from oilfield hazards. Key pain points include oil-way block channel blockage from contamination, case corrosion from moisture and drilling fluids, and flange leakage from vibration. The parts here feature precision-machined oil channels, corrosion-resistant finishes, and robust structural designs to ensure stable component integration and long-term structural integrity.
No. | Part № | Description | Material | Primary Wear Causes | Damage Prevention Precautions |
1 | 90251002 | Integrated oil-way block | 45# steel with precision machining + anti-corrosion coating | Internal channel blockage from hydraulic oil impurities; thread wear from valve installation; corrosion from moisture | Clean internal channels annually; use torque wrench for valve installation to avoid thread damage; apply anti-corrosion oil to surface |
2 | 902510010262004 | Integrated oil-way block | 45# steel with precision machining + anti-corrosion coating | Same as 90251002; additional wear from high-pressure flow | Same as 90251002; increase channel cleaning frequency to 8 months |
3 | 9025100 | Integrated oil-way block | 45# steel with precision machining + anti-corrosion coating | Same as 90251002 | Same as 90251002 |
4 | 90252000 | Hydraulic station case | Q235B carbon steel with powder coating + internal anti-corrosion paint | Coating peeling leading to corrosion; case deformation from impact; door seal aging allowing dust ingress | Touch up powder coating if peeling; avoid impact; replace door seal annually; keep case clean and dry |
6. Fastening Components
Fastening components secure all hydraulic station parts, playing a critical role in maintaining structural stability in high-vibration oilfield environments. Key pain points include fastening loosening from continuous vibration, bolt corrosion, and thread damage from improper installation—issues that can cause component detachment and system failure. The parts here feature anti-loosening designs, corrosion-resistant materials, and high-strength construction to ensure reliable fastening even under extreme operating conditions.
No. | Part № | Description | Material | Primary Wear Causes | Damage Prevention Precautions |
1 | 90251000 | Nut | 45# steel with zinc plating | Thread wear from repeated assembly; zinc plating wear leading to corrosion; vibration-induced loosening | Use spring washers to prevent loosening; retighten after first 10 hours of operation; replace if threads are damaged |
2 | GB70-85 | Screw M10×25 | 40Cr steel with quenching & tempering + zinc plating | Thread wear; cross-head damage from improper tools; vibration-induced loosening | Use matching cross-head screwdrivers; torque to 20-25 N·m; apply thread locker (Loctite 243) for vibration-prone areas |
3 | MECC | Twin head bolt M10×50 | 40Cr steel with zinc plating | Thread wear; corrosion; shear failure from overload | Do not exceed rated load (150MPa); torque to 35-40 N·m; inspect for corrosion monthly |
4 | MECC | Nut M10 | 45# steel with zinc plating | Same as 90251000 | Same as 90251000; use with twin head bolts only |
5 | GB70-85 | Screw M8×18 | 35CrMo steel with zinc plating | Thread wear; cross-head damage; vibration-induced loosening | Use correct screwdriver size; torque to 12-15 N·m; apply thread locker for light-load vibration areas |
Procurement Guidance
All components listed in this catalog are engineered to meet the strict operational requirements of drawworks disc brake hydraulic stations in oilfield environments, ensuring compatibility, durability, and safety. Whether you need to replace worn parts, stock up on spares, or upgrade components to enhance system performance, we offer genuine, high-quality parts that align with the technical specifications outlined here. Our team of hydraulic system experts is available to provide personalized support—from verifying part compatibility to offering technical advice on maintenance and installation. To secure the parts you need and keep your drawworks brake system operating reliably, contact us today to discuss your procurement requirements.