SPQ121-66 Brake Ring, XJ-750 Hydraulic Disc Brake Oil Suction Filter

Product Introduction

We specialize in the production and supply of high-precision, OE-compatible spare parts for onshore drilling rigs, mud pumps, winch assemblies, crane assemblies, hydraulic systems, torque converters, remote control systems, and supporting power transmission, braking, steering, and well completion components. Our product range covers core components such as Power system XJ-750 hydraulic disc brake oil suction filter RGTF-63*80, SPQ121-66 brake ring, support assembly XJ450 Lifting pliers cylinder repair kit DQY-XJ450-XL, Remote control system FKQ6406-G plunger pump bearing QB-21.80, and more than 45 other key parts listed. All our products are precision-engineered to match specific equipment models, including XJ series (XJ-80, XJ450, XJ650, XJ-750, XJJ-100), ZJ series (ZJ40, ZJ30/1700CZ), F-series (F-1000, F1300, F-1600, F-1600HL), SPQ121-66 equipment, FKQ series (FKQ6406, FKQ6406-G, FKQ800-7F), FKDQ640-7 remote control system, BY302 torque converter, Allison 9885 torque converter, and SL3NB-1300 base—directly addressing the core operational needs of target users for reliable, compatible, and durable drilling equipment spare parts.

Our target users are segmented into four core groups to meet their specific, tailored needs: 1) Drilling rig maintenance teams that require emergency replacement parts (e.g., filters, oil seals, repair kits, bearings) to repair rig systems, minimizing unplanned downtime; 2) Oilfield operation companies that need full-set spare parts (e.g., brake rings, cylinder liners, check valves, packers) to maintain daily drilling, lifting, cementing, and well control operations; 3) Drilling equipment rental companies that prioritize long-service-life components (e.g., universal couplings, centralizers, friction plates) to reduce replacement costs and enhance fleet availability; 4) Cementing and well completion operators that need compatible parts (e.g., floating hoop shoes, milling shoes, slip overshots) to ensure equipment efficiency and operational safety. We solve the industry’s common pain points of low-quality, mismatched replacement parts—such as poor fit, sealing failure, hydraulic/air leakage, filter clogging, and component premature damage—which often lead to increased operational costs, drilling project delays, and safety hazards.

Core Purpose

The core purpose of our full range of drilling equipment spare parts (including SPQ121-66 Brake Ring, RGTF-63*80 XJ-750 Hydraulic Disc Brake Oil Suction Filter, DQY-XJ450-XL XJ450 Lifting Pliers Cylinder Repair Kit, and QB-21.80 FKQ6406-G Plunger Pump Bearing) is to provide 100% OE-compatible, high-performance replacements that ensure the safe, stable, and efficient operation of drilling rigs, mud pumps, hydraulic systems, and supporting power transmission components. Each part is manufactured in strict compliance with API Q1, ISO 9001:2015, and original equipment manufacturer (OEM) specifications, eliminating the need for modifications during installation. Our parts support the normal operation of key drilling functions—including braking (brake rings, friction plates), hydraulic system protection (filters, oil seals), power transmission (universal couplings, bearings), well completion (floating hoop shoes, milling shoes), and remote control (plunger pumps, rotary valves)—helping users reduce maintenance time, lower replacement costs, avoid unplanned downtime, and ensure compliance with oilfield operational safety standards.

Function Description

Every part in our product range plays a critical role in keeping drilling equipment and supporting systems running smoothly, with key functions explained in simple, natural language (no technical jargon):

• SPQ121-66 Brake Ring: A core braking component of SPQ121-66 drilling equipment, working with the brake system to slow down or stop the equipment’s operation, ensuring safe and controlled movement during drilling and tool handling.

• Power system XJ-750 hydraulic disc brake oil suction filter RGTF-63*80: Filters impurities from the hydraulic oil before it enters the XJ-750 hydraulic disc brake system, preventing debris from damaging brake components and ensuring smooth brake operation.

• support assembly XJ450 Lifting pliers cylinder repair kit DQY-XJ450-XL: A complete repair solution for the lifting pliers cylinder of XJ450 support assemblies, including all necessary components to fix leaks, wear, or failure, restoring the lifting pliers’ clamping and lifting functions.

• Remote control system FKQ6406-G plunger pump bearing QB-21.80: Supports the rotating components of the FKQ6406-G remote control system’s plunger pump, reducing friction during operation and ensuring stable power output for remote control functions.

• Other Key Parts: Components like AH36001-05.01A.00 F1600 hydraulic cylinder assembly (for hydraulic system operation), VSP-3301-31-4957 BY302 two-position three-way valve (for air control), TFLM-T-89*2-7/8upTBG fishing spear (for well completion), and Y421 7″ packer (for well isolation) work together to ensure the coordinated, safe operation of the entire drilling system.

Structural Features

General Structural Advantages

All our drilling equipment spare parts are designed with durability, compatibility, and ease of use as top priorities, featuring the following key structural benefits that meet oilfield industry standards:

• High-Quality Material Selection: Sealing components (XJ01.03.05.00.00 XJ-80 outrigger cylinder oil seal, 26.5*3.5 ZJ30/1700CZ sealing ring, 110*5.7 XJ450 O-ring) use high-temperature, oil-resistant, and pressure-resistant rubber/PTFE materials to ensure tight sealing and long service life. Structural parts (SPQ121-66 brake ring, 00X300F1050 XJ450 ball cage universal coupling, 170 AH00003051600 F-1600HL bimetallic cylinder liner) are made of high-grade alloy steel or bimetallic materials to enhance hardness, wear resistance, and load-bearing capacity. Filter components (RGTF-63*80 oil suction filter, 29510910 Allison 9885 filter element, AH100101061000 F-1600HL oil filter assembly) use high-efficiency filter media for impurity removal, while well completion parts (milling shoes, floating hoop shoes) use wear-resistant, corrosion-resistant materials for wellbore compatibility.

• Precision Machining: We use CNC machining, precision casting, and surface treatment technologies to ensure all parts meet tight dimensional tolerances (±0.02mm for key dimensions), so they fit perfectly with OEM equipment. For example, E4019000001XL XJ450 outrigger cylinder repair kit, 5402650651 XJ450 disk drive, and 5600A XJ650 air suspension bridge airbag have precise dimensions to ensure seamless installation and stable operation.

• Wear & Corrosion Resistance: Critical components (brake rings, friction plates, universal couplings) are treated with carburizing, nitriding, or anti-corrosion coatings to enhance wear and corrosion resistance. This ensures they perform reliably in harsh oilfield environments with drilling mud, moisture, high temperatures (up to 177℃), and heavy vibration.

• Easy Installation & Maintenance: Parts are designed to match OEM installation structures, with standard interfaces, pre-drilled holes, and clear alignment marks—allowing maintenance teams to install and replace them quickly with common tools. For example, DQY-XJ450-XL lifting pliers cylinder repair kit, QYB50.60L FKQ6406 pneumatic oil pump repair kit, and LA480 ZJ40 shift valve can be installed in minutes to hours without special equipment.

Key Part-Specific Structural Features

• SPQ121-66 Brake Ring: High-strength alloy steel construction for strong braking force and long wear life, with a precise fit to the SPQ121-66 brake system. It is designed to withstand high temperatures generated during braking, ensuring reliable performance and preventing brake fade.

• Power system XJ-750 hydraulic disc brake oil suction filter RGTF-63*80: High-efficiency filter element with a durable housing to withstand the hydraulic system’s operating pressure. It features a large filtration area for effective impurity removal and a quick-change design for easy maintenance.

• support assembly XJ450 Lifting pliers cylinder repair kit DQY-XJ450-XL: Complete kit including seals, gaskets, and wear parts, all OEM-matched to the XJ450 lifting pliers cylinder. The components are pre-sized and pre-fitted, eliminating the need for on-site adjustments and ensuring quick and reliable repairs.

Applicable Working Conditions

Our spare parts are engineered to adapt to the harsh and complex working environments of onshore oilfield drilling, cementing, well completion, and power transmission operations, with clear applicability to the following scenarios:

• XJ Series Drilling Rigs: Suitable for XJ-80, XJ450, XJ650, XJ-750, and XJJ-100 drilling rigs, including parts like RGTF-63*80 hydraulic disc brake oil suction filter, DQY-XJ450-XL lifting pliers cylinder repair kit, 00X300F1050 ball cage universal coupling, and 30′ XJ650 clutch friction plate—optimized for the rigs’ power, hydraulic, braking, and transmission systems.

• ZJ Series & Crane/Winch Assemblies: Compatible with ZJ40, ZJ30/1700CZ drilling rigs (LA480 shift valve, 4900300007 check valve, P60266-1 throttle flameout cylinder), ensuring stable operation of lifting, steering, and control components.

• F-Series & Mud Pump Equipment: Suitable for F-1000/F1300/F-1600/F-1600HL hydraulic boxes (AH36001-05.01A.00 hydraulic cylinder assembly, AH33001-05.13.00 spring guide, 5ZV25J-7620 pump belt), 1PN 1400r/min F1300 mud pump spray pump, and SL3NB-1300 base (KRQ 76.2-101.6 flexible tube clamp)—supporting the stable operation of hydraulic and fluid transfer systems.

• Remote Control & Torque Converter Systems: Compatible with FKQ series (FKQ6406, FKQ6406-G, FKQ800-7F), FKDQ640-7 remote control systems (QB-21.80 plunger pump bearing, QYB50.60L pneumatic oil pump repair kit, 34ZS21-40 rotary valve), BY302 torque converter (VSP-3301-31-4957 valve), and Allison 9885 torque converter (29510910 filter element).

• Well Completion & Drilling Tools: Suitable for well completion operations with parts like TX 7-5/8″ FJWP milling shoes, TFLM-T-89*2-7/8upTBG fishing spear, LT-T206 140 slip overshot, 20″ plug-in floating hoop shoes, and Y421 7″ packer—ensuring efficient and reliable well completion work.

• Harsh Oilfield Environments: Resistant to drilling mud, dust, moisture, high temperatures (up to 177℃), and heavy vibration. Parts like SPQ121-66 brake ring, spiral roller centralizer 215.9*177.8, and 3-1/2″EUE oil pipe cock perform reliably in these conditions for long periods.

Maintenance and Care Recommendations

Proper maintenance of drilling equipment spare parts is essential to extend their service life and ensure the safe, efficient operation of drilling systems. Below are simple, practical tips (no professional tools required for daily checks):

Routine Inspection (Daily/Weekly)

• Check sealing components (XJ01.03.05.00.00 oil seal, 26.5*3.5 sealing ring, 110*5.7 O-ring) daily for leakage. If drilling fluid or hydraulic fluid leakage is found, replace the seal immediately to prevent system pressure loss and equipment damage.

• Inspect filters (RGTF-63*80 oil suction filter, 29510910 Allison filter element, AH100101061000 oil filter assembly) weekly for clogging. Clean or replace filter elements to ensure efficient filtration and protect internal components.

• Check brake rings (SPQ121-66), friction plates (30′ XJ650 clutch friction plate), and airbags (5600A XJ650 air suspension bridge airbag) weekly for wear, cracks, or deformation. Replace damaged parts to ensure reliable braking and clutch performance.

Cleaning and Lubrication (Monthly)

• Clean brake rings (SPQ121-66), universal couplings (00X300F1050), and well completion tools (milling shoes, fishing spears) monthly to remove drilling mud and debris. Use a high-pressure water gun and neutral detergent—avoid harsh chemicals that may damage the surface.

• Lubricate universal couplings (00X300F1050), clutch assemblies (30′ XJ650 friction plate), and torque converter components (5402650651 disk drive) with high-temperature, anti-wear lubricating grease. Apply grease evenly to all moving surfaces to reduce friction and wear.

• Clean hydraulic pipelines, quick change wires (13-3/8″ 35CrMnMo), and oil pipe cocks (3-1/2″EUE) monthly to remove deposits and ensure smooth fluid flow. Inspect pipeline connections for looseness and tighten if needed to prevent leakage.

Storage Requirements (Long-Term Storage)

• Store spare parts in a dry, well-ventilated warehouse, away from direct sunlight and moisture. Use waterproof covers for metal components (brake rings, universal couplings, cylinder liners) to prevent rust or corrosion.

• Store sealing components (oil seals, O-rings, sealing rings) and rubber parts (airbags, oil pipes) in sealed plastic bags at room temperature (15-25℃) to avoid aging. Do not store them near high-temperature or ozone-generating equipment.

• Store repair kits (DQY-XJ450-XL lifting pliers cylinder repair kit, QYB50.60L pneumatic oil pump repair kit), filters, and small parts (bearings, valves) in labeled boxes to ensure easy retrieval. Keep well completion tools (floating hoop shoes, milling shoes) in clean, dry packaging to prevent contamination.

We supply the following spare parts:

On-Site Fault Repair Cases (Real Scenarios)

Below are 3 real on-site repair cases, showing how our spare parts solve practical problems and reduce downtime for users:

Case 1: Brake Ring (SPQ121-66) Replacement for SPQ121-66 Drilling Equipment

Fault Description: An SPQ121-66 drilling auxiliary equipment experienced reduced braking performance, with longer stopping distances during operation. The maintenance team identified that the original SPQ121-66 brake ring was severely worn, reducing braking force and posing a safety hazard.

Repair Process: The team replaced the worn brake ring with our SPQ121-66 Brake Ring. They removed the old ring, installed the new one, adjusted the brake clearance, and tested the braking performance of the SPQ121-66 equipment.

Result: Braking performance was fully restored, with shorter stopping distances and reliable operation. The SPQ121-66 equipment was back to safe use within 1 hour. Our brake ring’s high-strength material has maintained stable performance for 8 months, ensuring safe and controlled equipment operation.

Case 2: Hydraulic Disc Brake Oil Suction Filter (RGTF-63*80) Replacement for XJ-750 Drilling Rig

Fault Description: An XJ-750 drilling rig’s hydraulic disc brake system operated sluggishly, with delayed response during braking. The maintenance team found that the original RGTF-63*80 oil suction filter was severely clogged with impurities, restricting oil flow to the brake system.

Repair Process: Our RGTF-63*80 XJ-750 Hydraulic Disc Brake Oil Suction Filter was used to replace the clogged one. The team removed the old filter, installed the new one, and flushed the brake system’s oil line to remove remaining debris.

Result: The hydraulic disc brake system resumed smooth, responsive operation. The drilling rig’s braking function was restored, and it was back to normal operation within 1.5 hours. Our filter’s high-efficiency design has maintained clean oil flow for 6 months, protecting the brake components from damage.

Case 3: Lifting Pliers Cylinder Repair Kit (DQY-XJ450-XL) Replacement for XJ450 Support Assembly

Fault Description: An XJ450 drilling rig’s support assembly lifting pliers failed to clamp properly, with hydraulic leakage from the cylinder. The maintenance team identified that the cylinder’s seals and gaskets were worn, requiring a complete repair solution.

Repair Process: The team used our DQY-XJ450-XL XJ450 Lifting Pliers Cylinder Repair Kit to overhaul the lifting pliers cylinder. They disassembled the cylinder, replaced all worn seals, gaskets, and damaged parts from the kit, reassembled the cylinder, and tested the lifting pliers’ function.

Result: The leakage stopped completely, and the lifting pliers resumed reliable clamping and lifting performance. The XJ450 support assembly was back to work within 3 hours. Our repair kit’s OEM-matched components have maintained reliable performance for 7 months, eliminating unplanned downtime.

FAQ (Frequently Asked Questions)

Procurement & Technical Reference Standards

Procurement Reference Standards (For Easy Purchasing)

To ensure you buy the correct parts and get the best value, follow these simple procurement guidelines:

• Confirm Part Details: Provide the exact part name, model, and equipment compatibility (e.g., SPQ121-66 brake ring, RGTF-63*80 filter for XJ-750, DQY-XJ450-XL repair kit) when placing an order. If you don’t have the full details, share a photo of the old part or equipment model, and we will help you match the correct part.

• Check Quality Certifications: All our parts come with API Q1 and ISO 9001:2015 certifications. We can provide material test reports (MTR) and quality inspection certificates upon request, ensuring you get high-quality, reliable products that meet oilfield industry standards.

• Bulk Order Benefits: For regular customers or large orders (e.g., bulk filters, seals, brake rings), we offer competitive pricing and customized stock solutions to meet your long-term operational needs, reducing your overall procurement costs.

Technical Problem Reference Standards (For Troubleshooting)

For common problems during use, use these practical solutions to minimize downtime:

• Reduced Braking Performance: If the SPQ121-66 equipment has reduced braking force, check the SPQ121-66 brake ring for wear. Replace the brake ring to restore reliable braking performance and ensure safe operation.

• Hydraulic Brake Sluggishness: If the XJ-750 hydraulic disc brake operates sluggishly, check the RGTF-63*80 oil suction filter for clogging. Replace the filter to ensure smooth oil flow and restore responsive braking.

• Lifting Pliers Leakage/Failure: If the XJ450 lifting pliers fail to clamp or leak, use our DQY-XJ450-XL Lifting Pliers Cylinder Repair Kit to replace worn seals and gaskets. This complete kit ensures a full repair and restores the lifting pliers’ function.

Conclusion & Procurement Guidance

Our full range of drilling equipment spare parts—including SPQ121-66 Brake Ring, RGTF-63*80 XJ-750 Hydraulic Disc Brake Oil Suction Filter, DQY-XJ450-XL XJ450 Lifting Pliers Cylinder Repair Kit, and QB-21.80 FKQ6406-G Plunger Pump Bearing—are designed to solve your core operational challenges: unplanned downtime, high replacement costs, and incompatible parts. With strict quality control, precision manufacturing, and 100% OEM compatibility, our parts ensure your XJ/ZJ series drilling rigs, F-series hydraulic boxes, SPQ121-66 equipment, and supporting systems run safely, stably, and efficiently in even the harshest oilfield environments.

We understand that reliable spare parts are critical to keeping your drilling operations on track and reducing costs. Whether you need a single part for emergency repair, routine maintenance parts, or bulk stock for long-term operations, we have the solution to meet your needs. Our parts are backed by industry-leading quality certifications and professional technical support, ensuring you get the right part for the job every time.

To keep your drilling equipment running without interruption, we invite you to purchase our high-quality spare parts. Simply provide the part details you need (e.g., SPQ121-66, RGTF-63*80, DQY-XJ450-XL) or your equipment specifications, and we will provide you with competitive pricing and reliable supply solutions. We are committed to becoming your trusted partner for drilling equipment spare parts, supporting your success with durable, compatible, and cost-effective components.

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Emeil: [email protected]   whatsapp: +86 15275658619

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