1.Product Introduction
This comprehensive parts catalog covers all critical shutdown and filter components for the HH HHZY1000S-064A HPU, split into core hydraulic parts and specialized filter elements. Core parts include ferrule fittings, explosion-proof valves, pressure gauges, accumulator repair kits, quick release joints, axial plunger pumps, pressure sensors, and sealing components; filter parts cover oil return, oil suction, air, and specialized hydraulic filter elements for system contamination control. Each part undergoes strict quality inspection: pressure testing for valves/fittings, leak testing for seals, and filtration efficiency testing for filter elements, delivering 30% longer service life than generic aftermarket parts to withstand continuous high-pressure hydraulic operation.
2. Functional Advantages
- OEM Perfect Fit: Direct dimensional and part number matching eliminates custom modifications, cutting emergency repair time by up to 60% and minimizing downtime for critical hydraulic operations.
- Leak-Free Sealing: High-precision O-rings, combined sealing washers, and ferrule joints prevent hydraulic fluid leakage, maintaining consistent system pressure and protecting against environmental contamination.
- Explosion-Proof Reliability: Certified explosion-proof valves, pressure switches, and control components ensure safe operation in flammable, high-risk industrial and oilfield environments.
- Precise Pressure Control: Proportional relief valves, pressure sensors, and shock-proof gauges enable accurate hydraulic pressure regulation, supporting stable equipment performance.
- Efficient Contamination Control: Specialized hydraulic filter elements trap particulate contaminants, protecting pumps, valves, and seals from premature wear and extending system lifespan.
3. Structural & Material Features
All HH HHZY1000S-064A HPU parts are built with industrial-grade, hydraulic-compatible materials to withstand extreme pressure, vibration, and harsh conditions, with key design attributes:
- Fittings & Valves: Stainless steel ferrule joints and high-strength alloy valves for corrosion resistance and pressure durability; explosion-proof components rated for ATEX hazardous locations.
- Sealing Components: Nitrile rubber O-rings and combined sealing washers conforming to GB/JB standards, with excellent compression set resistance for hydraulic fluid compatibility.
- Hydraulic Pumps & Controls: High-precision axial plunger pumps and proportional control valves for smooth, efficient hydraulic power delivery; shock-proof pressure gauges for accurate real-time monitoring.
- Filter Elements: High-efficiency filter media with graduated pore structure, designed to trap micron-level contaminants without restricting hydraulic flow.
4. Applicable Operating Conditions
These spare parts are engineered for the demanding environments of the HH HHZY1000S-064A HPU, including:
- High-pressure hydraulic systems (0-35MPa) for industrial heavy machinery
- Oilfield drilling and completion operations with explosion-proof requirements
- Continuous duty cycles with frequent startup/shutdown cycles
- Harsh outdoor/industrial environments with vibration and temperature fluctuations
- Hazardous locations requiring ATEX-certified explosion-proof components
5. Maintenance & Troubleshooting Recommendations
To maximize the service life of HH HHZY1000S-064A HPU components and ensure safe operation, follow these industry-standard maintenance guidelines:
- Preventive Replacement Schedule: Inspect seals, fittings, and pressure gauges every 250 operating hours; replace filter elements every 500 hours and accumulator bladders every 1,500 hours to prevent failures.
- Fluid Monitoring: Test hydraulic fluid cleanliness quarterly, replacing fluid and filter elements if contamination exceeds ISO 4406 standards.
We supply the following spare parts:
| Items: | Item Description: | Item MFG: | Item Part Number: |
| 1 | Straight ferrule joint | HH | 1DG-42-20SS-RN |
| 2 | Straight ferrule tube fitting | HH | 1DG-36-16SS-RN |
| 3 | Straight ferrule joint | HH | 1CN-22-08SS-RN |
| 4 | Hinged ferrule joint | HH | 1CI-12-B02SS-RN |
| 5 | Straight ferrule joint | HH | 1CN-16-04-RN |
| 6 | O-ring 70×3.5 | HH | GB1235-76 |
| 7 | Combined sealing washer: 14 | HH | JB982-77 |
| 8 | Combined sealing washer: 12 | HH | JB982-77 |
| 9 | Combined sealing washer: 33 | HH | JB982-76 |
| 10 | Ball valve | HH | Q11F-16P-G1/4 |
| 11 | Ball valve | HH | Q11F-16P-G1/2 |
| 12 | Shock-proof pressure gauge (0-4MPa) | HH | YN63-Ⅲ |
| 13 | Shock-proof pressure gauge (0-25MPa) | HH | YN63-Ⅲ |
| 14 | Shock-proof pressure gauge (0-16MPa) | HH | YN63-Ⅲ |
| 15 | Ex-proof electromagnetic reversing air valve | HH | MFH-3-1/4-24VDC-EEX-M |
| 16 | Accumulator (Repair Kit and Bladder) | HH | NXQ1-F6.3-20-H |
| 17 | Rubber sealing O-ring: φ50×3.1 | HH | GB1235-76 |
| 18 | Accumulator (Repair Kit and Bladder) | HH | NXQ1-L0.63/31.5-H |
| 19 | Liquid level gauge | HH | YWZ-400T |
| 20 | Self-sealing quick release joint | HH | H3-62, 63, 65M, 66M |
| 21 | Self-sealing quick release joint | HH | H6-62, 63, 65M, 66M |
| 22 | Self-sealing quick release joint | HH | H8-62, 63, 65M, 66M |
| 23 | Two-position three-way reversing valve | HH | DHA-0631/2/24DC |
| 24 | Pneumatic reversing valve | HH | VO/L-3-1/4 |
| 25 | Check valve | HH | S6A12 |
| 26 | HP ball valve | HH | YJZQ-J06N |
| 27 | Plug-in direct-acting relief valve | HH | DBDH20K10/20 |
| 28 | Relay valve | HH | LT09HG-1X/125/02M |
| 29 | Two-position three-way electro-hydraulic reversing valve | HH | 3WH6A53 |
| 30 | High pressure hydraulic ball valve | HH | YJZQ-J10B |
| 31 | Plug-in check valve | HH | YC108-1-B-0-0.34 |
| 32 | Pressure sensor | HH | KYB18G09M1P1C2i(0~35MPa) |
| 33 | Axial plunger pump | HH | PHP1050R2 |
| 34 | Explosion-proof proportional relief valve | HH | RZMA-A-030/180-PA-GK/7 |
| 35 | Explosion proof pressure switch | HH | PCA2MA20/100bar-1/4″-18NPT 内螺 |
| 纹-1/2″-14NPT 内螺纹 | |||
| 36 | Air controlled reversing valve | HH | 4WP6D60/N |
| 37 | Explosion-proof proportional pressure reducing valve | HH | RZGA-A-033/80/PA-GK/7 |
| 1 | Oil return filter element of hydraulic machine | HH | RFB-400X10-Y |
| 2 | Air filter | HH | QUQ3-10X4.0 |
| 3 | Oil suction filter Element | HH | TF-400X100F |
| 4 | Oil suction filter Element | HH | TF63×100L |
| 5 | Oil return filter Element | HH | RFA-63L×10Y |
| 6 | Oil return filter element | HH | FBX-400X10 |
| 7 | Disc brake pressure pump oil return filer element | HH | FAX-63X10 |
| 8 | Machinery tool pump oil suction filer element | HH | TFX-400×100 |
| 9 | Disc brake pump oil suction filer element | HH | TFX-63×100 |
| 10 | Filter Element | HH | ZU-H25x10BDP |
| 11 | Filter Element | HH | ZU-H250X20BDP |
| 12 | Oil suction filter Element | HH | ISV40-160×100M |
7. Field Failure Repair Cases
Case 1: Hydraulic Leak from Ferrule Joint
Scenario: A HH HHZY1000S-064A HPU experienced hydraulic fluid leakage at straight ferrule joints, causing pressure drops and system inefficiency.
Solution: Replacement of worn ferrule fittings and sealing washers restored leak-free connections.
Outcome: System pressure stabilized, and fluid leakage was fully eliminated.
Case 2: Filter Clogging & Pump Wear
Scenario: Contaminated hydraulic fluid caused clogged oil return filter elements, leading to reduced flow and premature axial plunger pump wear.
Solution: Replacement of clogged filter elements and flushing of hydraulic fluid restored proper flow and contamination control.
Outcome: Pump operation smoothed, preventing costly pump replacement.
Case 3: Explosion-Proof Valve Malfunction
Scenario: An explosion-proof electromagnetic reversing valve failed, disrupting hydraulic flow control and halting equipment operation.
Solution: Installation of a new OEM explosion-proof valve restored proper flow regulation.
Outcome: HPU resumed normal operation, maintaining safety compliance for hazardous environments.
8. Frequently Asked Questions (FAQ)
| Question | Answer |
| Are these parts compatible only with the HH HHZY1000S-064A HPU? | Yes, these spares are exclusively designed for the HH HHZY1000S-064A Hydraulic Power Unit, with OEM-matched dimensions and part numbers for perfect fitment. |
| Do these valves and sensors meet explosion-proof standards? | All explosion-proof components comply with ATEX directives and industry safety standards, suitable for hazardous oilfield and industrial locations. |
| Are the filter elements compatible with standard hydraulic fluids? | Yes, all filter elements are designed for use with standard mineral-based hydraulic fluids, meeting ISO 4406 contamination control requirements. |
9. Procurement Guidance & Call to Action
For teams operating the HH HHZY1000S-064A HPU, these OEM-compatible spare parts serve as both a rigorous procurement benchmark and a definitive technical solution for resolving fitting leaks, valve failures, filter clogs, and seal degradation. Each component is vetted for quality, pressure rating, and safety compliance to keep your hydraulic power unit operating safely, efficiently, and with minimal unplanned downtime, ensuring full adherence to global hydraulic equipment safety and maintenance standards.
