SL001 Full Series Drilling Components & FIGI 502 Union Fittings

1. Core Product Orientation & Target Application

This complete lineup of SL001 series standard spare parts and FIGI 502 union connectors is custom manufactured for medium-duty pneumatic oilfield drilling rigs, downhole power drilling tools, and land-based exploration drilling equipment, fully matching FMS-20 type air motor driven drilling assemblies and mainstream pneumatic drilling machinery operating in global onshore oilfield blocks. This product line targets professional oilfield drilling construction teams, field equipment maintenance engineers, industrial drilling machinery aftermarket suppliers, and oilfield equipment spare parts distributors, addressing the most pressing pain points in field construction: mismatched spare part dimensions, premature sealing failure, frequent component wear, difficult on-site replacement, and inconsistent part compatibility with original equipment.

Built on decades of oilfield drilling equipment supporting manufacturing experience and backed by strict compliance with GB/T mechanical bearing standards, API oilfield equipment specifications, and industrial pneumatic component performance requirements, all parts undergo precision machining and full-cycle factory testing. We integrate over 23,000 hours of on-site construction operation data to optimize material formulation and structural toughness, delivering a full range of interchangeable spare parts that balance long service life, harsh condition resistance, and cost-effective maintenance. Every component is designed to resolve on-site construction breakdowns, reduce equipment downtime, and streamline routine maintenance workflows for oilfield drilling teams.

1.1 Core Purpose Statement

The entire SL001 component series and FIGI 502 union fittings serve as direct replacement spare parts for pneumatic drilling equipment, undertaking equipment lifting, sealing, pipeline connection, power transmission, buffer damping, dustproof sand control, and assembly positioning functions. These parts work in synergy to maintain stable operation of pneumatic motors, transmission systems, packing sealing devices, and pipeline transmission systems, ensuring normal drilling, mud conveying, and power transmission under harsh oilfield environments, and providing reliable spare part support for daily maintenance, emergency repair, and equipment overhaul.

2. Detailed Product Introduction

This product portfolio covers the full spectrum of vulnerable and core components for pneumatic drilling equipment, including SL001.01 lifting ring, SL001.03.00 gooseneck assembly, SL001.05.00 packing device, SL001.32.00 air motor and transmission system, SL001.37.00 pneumatic system, 91754Q4 standard bearing, and FIGI 502 union female connector, nut, plug assemblies, alongside all corresponding sealing rings, bushings, spacers, connectors, and fasteners. Each part is produced with unified dimensional benchmarks, zero modification required for installation, and full compatibility with original drilling equipment assemblies, covering all replacement needs for routine maintenance and fault repair.

3. Product Function Description

Each SL001 series component performs a targeted operational function to guarantee equipment stability: lifting rings and matching pins provide safe equipment hoisting and handling; gooseneck assemblies complete mud and gas pipeline steering transmission; packing devices and O-ring seals form a dual-layer sealing system to block mud leakage and dust intrusion; pneumatic system and air motor transmission components provide stable power output; buffer parts absorb drilling load impact; dust caps and sand covers isolate sand and impurities to reduce internal wear; connectors and union fittings realize fast, leakproof pipeline butt joint; bearings and bushings reduce rotational friction and extend transmission part service life.

4. Structural & Performance Advantages

All SL001 parts adopt precision forging and CNC machining processes, with dimensional tolerance controlled within 0.02mm to ensure 100% interchangeability with original equipment. Sealing components use oil-resistant, wear-resistant composite fluororubber, with continuous compression resilience reaching 1760 working hours under normal pressure; metal structural parts undergo quenching and tempering treatment, with surface hardness reaching HRC42, resisting frequent disassembly and installation wear; friction and buffer components feature built-in damping structure, absorbing 2800N of instantaneous impact load; FIGI 502 union fittings adopt standardized threaded structure, enabling quick butt joint with zero gap, eliminating air and fluid leakage risks. Our exclusive metal surface treatment process extends the service life of metal bushings and spacers by 410 working hours compared with ordinary industrial-grade parts.

5. Applicable Operating Conditions

This series of spare parts is specially designed for onshore oilfield drilling, geological exploration drilling, and mine drilling construction scenarios, adapting to an ambient temperature range of -18℃ to 90℃, sand-dust filled environments, mud erosion conditions, continuous high-frequency start-stop load, and long-term field unattended operation. It is fully compatible with medium-power pneumatic drilling rigs equipped with SL001.32.00 air motor systems, and stably operates under medium-low pressure pneumatic transmission and normal mud conveying working conditions, meeting all-weather construction needs in major global onshore oilfield blocks.

6. On-Site Maintenance & Avoidance Tips

1. Inspect all O-ring seals, rubber gaskets, and packing devices every 28 working hours; replace damaged seals immediately to prevent mud leakage and component corrosion. 2. When disassembling lifting rings, connectors, and union fittings, avoid knocking with hard tools to prevent dimensional deformation and thread damage. 3. Replaced bearings and bushings must be filled with special high-temperature resistant lubricating grease, and mixed lubricant use is strictly prohibited. 4. Sand covers and dust caps must be kept closed during equipment downtime to prevent sand accumulation inside the assembly. 5. Tighten fastening bolts and nuts with a fixed torque wrench to avoid over-tightening causing thread stripping or under-tightening leading to loose fittings. 6. Store spare parts in a dry, shaded environment to prevent rubber parts from aging and metal parts from rusting.

We supply the following spare parts:

7. Oilfield On-Site Fault Repair Cases

7.1 Changqing Oilfield, Shaanxi, China

Equipment Model: SL001.32.00 air motor equipped pneumatic drilling rig; Load: 26kN continuous drilling load; Fault Problem: Sealing failure at SL001.05.00 packing device, mud backflow, severe wear of upper bushing; Replacement Parts: SL001.07 upper bushing, SL001.16 O-ring seal, SL001.05.00 packing device; Repair Data: Replaced precision machined bushing, installed high-density sealing ring, assembly clearance adjusted to 0.03mm; Post-Repair Index: No mud backflow under 72-hour continuous operation, sealing pressure maintained stably at 1.3MPa; Customer Feedback: Thoroughly resolved long-term packing leakage, reduced daily maintenance checks, equipment operating rate improved significantly.

7.2 Tarim Oilfield, Xinjiang, China

Equipment Model: Pneumatic drilling rig supporting SL001 full series components; Load: 30kN intermittent impact load; Fault Problem: FIGI 502 union connector air leakage, unstable pneumatic system pressure, loose connector fitting; Replacement Parts: FIGI 502 union female connector, union nut, union plug; Repair Data: Replaced standard union assembly, cleaned butt joint surface, tightened with standard torque; Post-Repair Index: Pneumatic system pressure stabilized at 0.8MPa, no air leakage, air motor power output consistent; Customer Feedback: Quick replacement, perfect fitting, equipment resumed operation within 1 hour, no construction delay loss.

7.3 Bohai Oilfield Onshore Base, Hebei, China

Equipment Model: Medium exploration drilling rig matching SL001 series; Load: 24kN normal drilling load; Fault Problem: Damaged SL001.44.00 sand cover, sand intrusion causing internal spacer wear; Replacement Parts: SL001.44.00 sand cover, SL001.21 spacer, SL001.43 dust cap; Repair Data: Installed fully enclosed sand cover, replaced worn spacer, cleaned internal sand impurities; Post-Repair Index: Internal components free of sand erosion, rotational friction reduced to normal value; Customer Feedback: Effectively blocked sand dust, extended internal transmission parts life, lowered later maintenance costs.

8. Frequently Asked Questions (FAQ)

9. Procurement Guidance & Quality Commitment

All SL001 series drilling components and FIGI 502 union fittings are produced under a complete quality management system, complying with API oilfield equipment specifications and national mechanical manufacturing standards, with full factory inspection reports and quality certification documents, providing a reliable reference standard for bulk and retail procurement. Whether you are conducting routine equipment maintenance, emergency on-site fault repair, or long-term spare parts inventory preparation, this product line meets your dual needs of stable quality and cost control, with complete part specifications and one-stop procurement coverage to eliminate the trouble of matching scattered parts.

We rely on mature manufacturing technology and professional oilfield equipment supporting experience to provide customers with full-process technical guidance, including installation parameters, maintenance suggestions, and fault troubleshooting solutions, helping field engineers quickly complete part replacement and equipment commissioning, greatly reducing equipment downtime and maintenance difficulty. We always adhere to strict raw material selection and finished product testing, ensuring each part delivers stable performance in harsh oilfield environments. If you need high-compatibility, long-life, standard-compliant oilfield pneumatic drilling spare parts, this full series of products is your optimal choice, and we look forward to establishing long-term stable spare parts supply cooperation with you.

contact us ：

Emeil: [email protected]  

whatsapp: +86 15275658619