Angle Steel, Hydraulic Cylinder & Structural Spare Parts (P9910982AA, Z07120000001, 4900450001)

Core Purpose & Equipment Adaptation

We specialize in the production and supply of high-precision, direct-fit spare parts, engineered to seamlessly match the structural, hydraulic, transmission, lubrication, and auxiliary systems of oilfield rotary tables, drilling rigs, heavy-duty industrial machinery, and hydraulic lifting equipment—with key models including P9910982AA Angle steel L2257, Z07120000001AA Raising cylinder, 4900450001 Oil filling valve piece, 5000700184 Input shaft, lower angle box of rotary table LK0=750, and Z07170000013AA Hydraulic oil tank. All our parts adhere to strict global industry standards, including ISO 9001 (Quality Management System), API Spec 7K (Drilling Equipment Components), ISO 281 (Rolling Bearings), ISO 3601 (Sealing Components), ISO 6406 (Hydraulic Components), and DIN 1028 (Angle Steel Specifications), ensuring reliable performance, perfect compatibility, and long service life in critical operational scenarios. Our comprehensive product portfolio covers critical functional categories tailored to on-site operational needs: structural components (P9910982AA Angle steel, P9920689AA Bottom beam, Z05010601268AA Guardrail assembly), hydraulic components (Z07120000001AA Raising cylinder, Z07170000013AA Hydraulic oil tank, 4900350304 2 position 3 way solenoid valve), lubrication components (4900450001 Oil filling valve piece, P2200320AA Screw plug, filter), transmission parts (5000700184 Input shaft, 5000700024 Inter-axle driving shaft, P5400118AA Key A25X14X350), fastening parts (4317008020 Set screw M8x20, 4301316035 Bolt M16X35, 4314525020 Cotter pin 2.5X20), and auxiliary components (Z01130000004AA Preheating and warming system, P7100445AA Oil seal seat, P9990077AA Steel wire 2 L=500). We directly address the unique, costly pain points of three core user segments—oilfield rotary table operators, on-site maintenance technicians, and procurement professionals—each relying on our parts to keep critical machinery running safely and efficiently, avoiding catastrophic downtime. Rotary table operators face devastating risks: faulty Z07120000001AA raising cylinders fail to lift or position rig components, causing operational delays; worn 5000700184 input shafts seize the lower angle box, disabling the rotary table; damaged P9910982AA angle steel or P9920689AA bottom beams compromise structural integrity, risking equipment collapse; leaking 4900450001 oil filling valve pieces or Z07170000013AA hydraulic oil tanks cause hydraulic fluid loss, disabling lifting and control systems. Maintenance technicians struggle with ill-fitting parts that require time-consuming modifications—such as incompatible QBJ5071402 pipe fittings or misaligned Z04150200002AA front leg seats—wasting labor and extending downtime, or low-quality oil seal seats (P7100445AA) and guiding rings (P1100304AA) that fail prematurely in harsh oilfield mud or dust. Procurement professionals grapple with sourcing full-range, equipment-specific parts (for P9910982AA angle steel, Z07120000001AA raising cylinders, 5000700184 input shafts) that meet API 7K and ISO standards, avoid repeated breakdowns, and balance quality with budget. The core purpose of our products is to eliminate these pain points by providing OEM-compatible, high-quality replacements for every mission-critical component—delivering stable structural support, reliable hydraulic lifting, efficient transmission, leak-proof lubrication, and secure component fastening—all designed to withstand harsh industrial and oilfield conditions (mud, high pressure, extreme temperatures, dust), reduce unplanned downtime, and lower long-term maintenance and replacement costs, while ensuring compliance with industry safety standards.

Product Overview

We offer a comprehensive portfolio of precision spare parts tailored to the structural, hydraulic, transmission, lubrication, and auxiliary systems of oilfield rotary tables, drilling rigs, heavy-duty industrial machinery, and hydraulic lifting equipment—with key models including P9910982AA Angle steel L2257, Z07120000001AA Raising cylinder, 4900450001 Oil filling valve piece, 5000700184 Input shaft, lower angle box of rotary table LK0=750, and Z07170000013AA Hydraulic oil tank. Our product range encompasses all critical functional categories to cover every on-site need, with each part engineered as a direct OEM-compatible replacement to eliminate modifications and streamline maintenance: Structural Components: P9910982AA Angle steel L2257 (2257mm length angle steel, structural support), P9910815AA Angle steel L=1415 (1415mm length angle steel, auxiliary structural support), P9920689AA Bottom beam (core structural beam, provides stable base support), P9942004AA Bottom beam (auxiliary bottom beam, enhances base stability), P991160925AA Steel pipe L=1518 (1518mm length steel pipe, structural or fluid transfer use), P9974385AA Round pipe L=300 (300mm length round pipe, auxiliary structural support), Z05010601268AA Guardrail assembly (safety guardrail, protects operators and equipment), Z04150200002AA Front leg seat (mounting seat for front legs, ensures stable positioning), Z05011700212AA Welding beam (welded structural beam, strengthens rig frames), P7200048AA Bending plate (bent steel plate, custom structural support), P9942002AA Side column (side structural column, enhances frame stability), Z04160203097AA Board body (structural board, for mounting or protection), P6101537AA Cover plate (protective cover plate, seals equipment openings), P6101545AA Plug plate (seals pipe or equipment openings), P6202019AA Pad (protective pad, reduces friction between components); Hydraulic Components: Z07120000001AA Raising cylinder (hydraulic lifting cylinder, lifts or positions rig components), Z07170000013AA Hydraulic oil tank (stores hydraulic fluid, supplies hydraulic system), 4900350304 2 position 3 way solenoid valve (electronically controls hydraulic fluid direction), QBJ5071402 M14X1.5-Z1/4″ fitting (adapts M14X1.5 metric thread to Z1/4″ pipe thread), QBJ5071803 M18X1.5-NPT3/8 fitting (adapts M18X1.5 metric thread to NPT3/8″ pipe thread), P1300173AA 3/4″-16UNF-Z3/8″ fitting (adapts 3/4″-16UNF thread to Z3/8″ thread), QBJ120110 NPT1 1/4″ screw plug (seals NPT1 1/4″ pipe openings), P4100801AA Bent pipe (bent hydraulic pipe, routes fluid in tight spaces); Lubrication Components: 4900450001 Oil filling valve piece (controls oil filling, prevents overflow), P2200320AA Screw plug, filter (seals and filters lubrication oil); Transmission Parts: 5000700184 Input shaft, lower angle box of rotary table LK0=750 (750mm length input shaft, transfers power to rotary table lower angle box), 5000700024 Inter-axle driving shaft LK0=680 (680mm length inter-axle driving shaft, transfers power between axles), P5400118AA Key A25X14X350 (25×14×350mm key, connects shafts and gears), P5400022AA Key (general-purpose key, connects shafts and components), P1100585AA Shaft sleeve, right drum end (protects right drum shaft end from wear), P1100349AA Spacing ring (maintains spacing between transmission components), P1100304AA Guiding ring (guides moving components, ensures alignment); Fastening Parts: 4317008020 Set screw M8x20 (M8x20mm set screw, secures components), 4301316035 Bolt M16X35 (M16x35mm bolt, heavy-duty fastening), 4301212025 Bolt M12X25 (M12x25mm bolt, medium-duty fastening), 4300820065 Bolt M20X65 (M20x65mm bolt, heavy-duty structural fastening), P1200102AA Nut M22X1.5 (M22X1.5 nut, heavy-duty fastening), 4314525020 Cotter pin 2.5X20 (2.5×20mm cotter pin, locks fasteners), P1000359AA Washer (distributes fastener pressure, prevents component damage); Auxiliary Components: Z01130000004AA Preheating and warming system (preheats equipment in cold conditions, ensures smooth startup), P7100445AA Oil seal seat (mounts oil seals, prevents fluid leaks), P7100025AA Support, balance beam (supports balance beam, ensures stability), P7100217AA Support (auxiliary support, for small components), Z07010100002AA Support (multi-purpose support, for rig components), Z04020100001AA Raising limiting piece (limits raising height, prevents over-lifting), Z02040100001AA Fixed rod, front axle (secures front axle, ensures stability), P2000035AA Pin (locks components, ensures alignment), P2401538AA Pinshaft, locking arm (pinshaft for locking arm, ensures secure locking), P9990077AA Steel wire 2 L=500 (500mm length steel wire, auxiliary securing or lifting), P0100224AA Upper cover (protective upper cover, seals equipment). All parts are manufactured using premium materials: high-strength carbon steel and alloy steel for structural components (angle steel, bottom beams, side columns) and transmission parts (input shafts, keys) to withstand heavy loads and vibration; corrosion-resistant stainless steel for hydraulic fittings, valves, and fasteners to prevent rust in oilfield mud; nitrile rubber (NBR) and polyurethane for seals (oil seal seats, guiding rings) to ensure leak-proof performance and resistance to hydraulic/lubrication oil; high-carbon chromium steel for shafts and sleeves to enable smooth rotation under heavy loads. Every part undergoes rigorous quality control: raw material inspection (compliant with API 7K and ISO material standards), precision CNC machining (for tight tolerances), heat treatment (for structural strength and wear resistance), pressure testing (for hydraulic components, valves, and oil tanks), shaft rotation testing, and final performance verification—ensuring each part meets or exceeds API 7K and ISO standards, delivers long service life, and integrates seamlessly with existing equipment, eliminating on-site modifications and reducing maintenance time.

Functional Features

Our spare parts are designed to directly solve the most common on-site pain points—structural instability, hydraulic lifting failure, transmission seizing, fluid leaks, and component misalignment—with functional features that prioritize reliability, safety, durability, and ease of use, all tailored to the real operational needs of oilfield rotary tables and heavy-duty equipment:

• Stable Structural Support & Safety Protection: P9910982AA Angle steel L2257 and P9910815AA Angle steel L=1415 provide rigid structural support for rig frames and rotary tables—withstanding heavy loads (up to 300t) and vibration, complying with API 7K structural standards. P9920689AA Bottom beam and P9942004AA Bottom beam form a stable base, preventing equipment movement during operation. Z05010601268AA Guardrail assembly protects operators from falls and equipment from debris, featuring a robust frame and secure mounting. Z04150200002AA Front leg seat ensures stable positioning of front legs, reducing vibration and misalignment. P6101537AA Cover plate and P6101545AA Plug plate seal equipment openings, preventing dust and mud contamination.

• Reliable Hydraulic Lifting & Fluid Control: Z07120000001AA Raising cylinder lifts and positions rig components smoothly—converting hydraulic pressure to linear motion with precise control, compatible with 4900350304 solenoid valve for automated operation. Z07170000013AA Hydraulic oil tank stores hydraulic fluid securely, featuring a leak-proof design and oil level indicator for easy monitoring. 4900350304 2 position 3 way solenoid valve controls hydraulic fluid direction electronically, switching between positions quickly and reliably—enabling precise control of lifting and positioning functions. Hydraulic fittings (QBJ5071402, QBJ5071803, P1300173AA) feature precision threads for a tight fit, adapting different thread types to eliminate custom adapters, ensuring leak-proof fluid conduction.

• Leak-Proof Lubrication & Fluid Management: 4900450001 Oil filling valve piece controls oil filling precisely, preventing overflow and ensuring proper lubricant levels—featuring a one-way valve design to prevent fluid backflow. P2200320AA Screw plug, filter seals lubrication system openings while filtering debris, protecting internal components from damage. P7100445AA Oil seal seat mounts oil seals securely, preventing hydraulic or lubrication fluid leaks—ensuring long service life of shafts and bearings.

• Efficient Transmission & Shaft Protection: 5000700184 Input shaft, lower angle box of rotary table LK0=750 transfers power to the rotary table’s lower angle box efficiently—with a hardened surface (HRC 55-60) to resist wear and bending, ensuring smooth operation of the rotary table. 5000700024 Inter-axle driving shaft LK0=680 transfers power between axles reliably, with precision-machined splines for a tight fit. P5400118AA Key A25X14X350 ensures a secure connection between shafts and gears, preventing slippage during power transfer. P1100585AA Shaft sleeve, right drum end protects the right drum shaft from wear and corrosion, extending shaft service life. P1100349AA Spacing ring and P1100304AA Guiding ring maintain proper alignment between transmission components, reducing friction and preventing seizing.

• Secure Fastening & Component Locking: 4317008020 Set screw M8x20, 4301316035 Bolt M16X35, and 4300820065 Bolt M20X65 provide reliable fastening for components of all sizes—from small auxiliary parts to heavy-duty structural components—featuring precision threads for a tight fit, resisting loosening due to vibration. P1200102AA Nut M22X1.5 and P1000359AA Washer complement bolts, distributing pressure and ensuring secure fastening. 4314525020 Cotter pin 2.5X20 locks fasteners in place, preventing accidental disassembly. P2000035AA Pin and P2401538AA Pinshaft, locking arm secure components and ensure alignment, preventing movement during operation.

• Useful Auxiliary Functionality: Z01130000004AA Preheating and warming system preheats equipment in cold conditions (-25°C and below), ensuring smooth startup and preventing component damage from cold fluid. P7100025AA Support, balance beam and P7100217AA Support provide stable mounting for balance beams and small components, reducing vibration. Z04020100001AA Raising limiting piece limits the raising height of hydraulic cylinders, preventing over-lifting and equipment damage. P9990077AA Steel wire 2 L=500 serves as an auxiliary securing or lifting tool, suitable for on-site maintenance tasks. Z02040100001AA Fixed rod, front axle secures the front axle, ensuring stability during equipment movement.

Structural Characteristics

Each component is engineered with structural designs optimized for the rigorous mechanical, environmental, and safety demands of industrial and oilfield operations—tailored to their specific function, ensuring durability, safety, and performance in extreme conditions (mud, high pressure, temperature fluctuations, dust):

• Structural Components: P9910982AA Angle steel L2257 and P9910815AA Angle steel L=1415 are hot-rolled carbon steel angle steels—with a right-angle design, precision-cut lengths (2257mm and 1415mm), and a galvanized coating for corrosion resistance. P9920689AA Bottom beam and P9942004AA Bottom beam are welded box-section steel beams—thick walls (16mm) for strength, precision-machined mounting holes for easy installation, and a corrosion-resistant coating. Z05010601268AA Guardrail assembly is a welded steel assembly—with vertical posts and horizontal rails, non-slip handrails, and mounting brackets for secure attachment. P991160925AA Steel pipe L=1518 and P9974385AA Round pipe L=300 are seamless steel pipes—precision-cut lengths, thick walls for pressure resistance, and galvanized coating for corrosion resistance. P7200048AA Bending plate is a cold-bent steel plate—custom bent to fit specific structural needs, with precision-machined edges for welding.

• Hydraulic Components: Z07120000001AA Raising cylinder features a seamless steel cylinder barrel, precision-machined piston, and nitrile rubber seals—equipped with mounting lugs for easy installation, and a hydraulic port for fluid connection. Z07170000013AA Hydraulic oil tank is a welded steel tank—leak-proof design, with an oil level indicator, fill port, and drain plug, and a galvanized coating for corrosion resistance. 4900350304 2 position 3 way solenoid valve is a steel valve with an electromagnetic coil—precision-machined spool for smooth operation, and a waterproof design for on-site use. QBJ5071402 M14X1.5-Z1/4″ fitting is a one-piece steel fitting—hexagonal head for easy installation, precision-machined threads for compatibility.

• Lubrication Components: 4900450001 Oil filling valve piece is a steel valve with a one-way valve design—precision-machined internal components for leak-proof performance, and a hexagonal head for easy operation. P2200320AA Screw plug, filter is a steel plug with an integrated filter—precision-machined threads for a tight seal, and a removable filter element for easy cleaning.

• Transmission Parts: 5000700184 Input shaft, lower angle box of rotary table LK0=750 is a hardened alloy steel shaft—750mm length, precision-machined splines and keyways for power transfer, and a corrosion-resistant coating. 5000700024 Inter-axle driving shaft LK0=680 is a similar alloy steel shaft—680mm length, with universal joints for flexible power transfer. P5400118AA Key A25X14X350 is a rectangular steel key—25×14×350mm size, precision-machined to fit keyways tightly. P1100585AA Shaft sleeve, right drum end is a cylindrical steel sleeve—precision-machined inner and outer surfaces, with a smooth finish to reduce friction.

• Fastening & Locking Parts: 4317008020 Set screw M8x20 is a high-strength steel set screw—hex socket head, flat tip, precision-machined threads. 4301316035 Bolt M16X35 is a high-strength steel bolt—hexagonal head, heat-treated for strength, zinc-coated for corrosion resistance. 4314525020 Cotter pin 2.5X20 is a steel cotter pin—2.5mm diameter, 20mm length, bent end for easy locking. P1000359AA Washer is a flat steel washer—precision-machined to distribute fastener pressure.

• Auxiliary Components: Z01130000004AA Preheating and warming system features a heating element, temperature control, and waterproof housing—designed to preheat hydraulic fluid and equipment components. P7100445AA Oil seal seat is a steel seat—precision-machined inner surface to mount oil seals tightly, with a corrosion-resistant coating. P9990077AA Steel wire 2 L=500 is a high-strength steel wire—500mm length, flexible design for auxiliary use. Z04020100001AA Raising limiting piece is a steel plate—precision-machined to limit raising height, with mounting holes for easy installation.

Applicable Working Conditions

Our spare parts are field-tested and rated for the most demanding industrial and oilfield operating environments, working reliably across all key scenarios—meeting API 7K, ISO 9001, ISO 281, and ISO 6406 standards to ensure performance when it matters most, even in extreme conditions:

• Structural Components: Angle steel (P9910982AA, P9910815AA), bottom beams (P9920689AA, P9942004AA), guardrail assemblies (Z05010601268AA), side columns (P9942002AA), and front leg seats (Z04150200002AA) operate in rig frames and rotary table structures, withstanding heavy loads (up to 350t), high vibration (up to 15g), and temperature fluctuations (-25°C to +85°C). They resist corrosion from oilfield mud, saltwater (offshore rigs), and industrial chemicals—suitable for onshore/offshore oilfield drilling rigs, rotary tables, and heavy-duty construction machinery.

• Hydraulic Components: Raising cylinders (Z07120000001AA), hydraulic oil tanks (Z07170000013AA), solenoid valves (4900350304), and fittings (QBJ5071402, QBJ5071803) operate in hydraulic systems, withstanding high pressure (up to 45MPa) and temperature fluctuations (-25°C to +85°C). They resist hydraulic oil, industrial chemicals, and oilfield mud—suitable for oilfield rig hydraulic lifting systems, rotary table hydraulic controls, and heavy-duty hydraulic equipment.

• Lubrication Components: Oil filling valve pieces (4900450001) and filter screw plugs (P2200320AA) operate in lubrication systems, withstanding temperature fluctuations (-25°C to +85°C) and exposure to lubrication oil, mud, and dust—suitable for oilfield rotary tables, gearboxes, and heavy-duty machinery.

• Transmission Parts: Input shafts (5000700184), inter-axle driving shafts (5000700024), keys (P5400118AA, P5400022AA), and shaft sleeves (P1100585AA) operate in transmission systems, withstanding high torque (up to 800N·m), high temperatures (+50°C to +120°C), and heavy loads. They resist wear, corrosion, and vibration—suitable for oilfield rotary tables, industrial gearboxes, and power transmission systems.

• Fastening & Locking Parts: Set screws (4317008020), bolts (4301316035, 4300820065), nuts (P1200102AA), cotter pins (4314525020), and washers (P1000359AA) operate in all equipment systems, withstanding temperature fluctuations (-25°C to +85°C), vibration, and exposure to mud and chemicals. They provide secure fastening—suitable for all industrial and oilfield equipment.

• Auxiliary Components: Preheating systems (Z01130000004AA), oil seal seats (P7100445AA), supports (P7100025AA, P7100217AA), and steel wires (P9990077AA) operate in all equipment systems, withstanding temperature fluctuations (-25°C to +85°C), vibration, and exposure to mud, dust, and chemicals. They provide auxiliary functionality—suitable for oilfield rigs, rotary tables, and heavy-duty equipment.

• General Operating Environments: All parts stand up to oilfield mud, industrial dust, saltwater corrosion (offshore rigs), high humidity (≤95% RH), heavy vibration, and extreme temperature fluctuations (-25°C to +120°C). They’re ideal for onshore/offshore oilfield drilling rigs, rotary tables, industrial plants, and heavy-duty hydraulic equipment—meeting all API 7K and ISO safety and quality standards, ensuring reliable performance in critical operational scenarios.

Maintenance & Care Recommendations

Proper maintenance of structural, hydraulic, transmission, lubrication, fastening, and auxiliary spare parts is key to extending their service life, reducing replacement costs, and preventing unplanned equipment failure—especially in harsh industrial and oilfield environments where downtime is costly and safety is critical. Below are practical, on-site tips designed for maintenance technicians, with clear steps to keep parts working reliably and in compliance with API 7K and ISO standards:

• Regular Inspection (25-40 Working Hours): Visually check all critical parts—inspect P9910982AA angle steel and P9920689AA bottom beams for cracks or corrosion; check Z07120000001AA raising cylinders for leaks or abnormal movement; verify 5000700184 input shafts for wear or vibration; inspect 4900450001 oil filling valve pieces for leaks; check hydraulic hoses and fittings (QBJ5071402) for leaks; ensure fasteners (4301316035, 4314525020) are tight; test Z01130000004AA preheating systems for functionality; inspect P7100445AA oil seal seats for wear.

• Structural Components Care: Inspect structural parts monthly for cracks, bending, or corrosion—clean surfaces to remove mud and debris, and touch up with anti-corrosion paint (compatible with API 7K standards) if needed. Tighten all structural fasteners to the specified torque (per OEM guidelines) every 30 working hours. Check Z05010601268AA guardrail assemblies for stability—repair or replace if rails are bent or loose. Inspect P991160925AA steel pipes and P9974385AA round pipes for rust or damage—replace if weakened. Clean Z04160203097AA board bodies monthly—remove debris to prevent corrosion.

• Hydraulic Components Care: Inspect Z07120000001AA raising cylinders monthly for leaks or slow operation—replace seals if leaks occur, and clean the cylinder barrel to remove debris. Check Z07170000013AA hydraulic oil tanks monthly—inspect oil level and quality, and replace hydraulic oil regularly (per OEM guidelines) to prevent contamination. Test 4900350304 solenoid valves monthly—ensure smooth switching between positions, and replace if stuck or leaking. Clean hydraulic fittings (QBJ5071402, QBJ5071803) monthly—tighten loose fittings and replace any damaged ones. Apply API-compliant thread sealant when reinstalling fittings.

• Lubrication Components Care: Inspect 4900450001 oil filling valve pieces monthly—ensure they open and close smoothly, and replace if leaking or stuck. Clean P2200320AA filter screw plugs monthly—remove and clean the filter element to prevent debris buildup, which can block lubricant flow. Check lubrication oil levels regularly—refill using API-compliant lubricant as needed.

• Transmission Parts Care: Inspect 5000700184 input shafts and 5000700024 inter-axle driving shafts monthly for wear, vibration, or misalignment—lubricate with high-temperature gear oil (compatible with API standards) and replace if damaged. Check P5400118AA keys monthly for tightness—reinstall or replace if loose to prevent slippage. Inspect P1100585AA shaft sleeves monthly for wear—replace if the inner surface is scratched or worn to prevent shaft damage. Clean transmission components monthly—remove debris to prevent contamination.

• Fastening & Locking Parts Care: Tighten all fasteners (4317008020, 4301316035, 4300820065) to the specified torque every 30 working hours—replace any worn or damaged fasteners. Inspect 4314525020 cotter pins monthly—replace if bent or damaged to ensure fasteners are locked in place. Check P1000359AA washers monthly—replace if deformed to distribute fastener pressure properly.

• Auxiliary Components Care: Test Z01130000004AA preheating systems monthly—ensure they heat to the correct temperature, and replace heating elements if faulty. Inspect P7100445AA oil seal seats monthly—replace if worn to prevent fluid leaks. Check P7100025AA supports monthly—tighten if loose to ensure stability. Inspect P9990077AA steel wires monthly—replace if frayed or damaged to prevent failure during use.

• Timely Replacement of Worn Parts: Replace any part that shows wear, damage, or failure—especially critical components like P9910982AA angle steel, Z07120000001AA raising cylinders, 5000700184 input shafts, 4900450001 oil filling valve pieces, and Z07170000013AA hydraulic oil tanks. Follow OEM replacement intervals for critical parts to keep equipment stable and safe, and ensure all replacements meet API 7K and ISO standards.

• Proper Storage of Spare Parts: Store all parts in a dry, well-ventilated area (10°C-30°C) away from direct sunlight, industrial chemicals, and oilfield mud. Keep rubber components (seals, oil seal seats) in a cool, dry place to prevent hardening; store metal parts (structural components, shafts, fasteners) in anti-corrosion packaging (compliant with API storage guidelines); store precision parts (fittings, valves, shafts) in their original packaging to protect machined surfaces; keep small parts (cotter pins, set screws, keys) in labeled containers for easy access.

We supply the following spare parts:

On-Site Fault Maintenance Cases

Below are 3 real, short on-site fault stories—reflecting common problems industrial and oilfield teams face—showing how our direct-fit spare parts fix critical issues quickly, minimize downtime, and get operations back on track, while meeting API 7K and ISO standards:

Case 1: Rotary Table Failure from Worn 5000700184 Input Shaft

An onshore oilfield rotary table stopped operating, with the lower angle box seized—inspection found the 5000700184 Input shaft, lower angle box of rotary table LK0=750 had worn splines, preventing power transfer to the angle box. Solution: We replaced the worn input shaft with our 5000700184 part, lubricated the angle box, and realigned the transmission components. The rotary table resumed full operation in 2 hours, preventing extended downtime and costly production losses.

Case 2: Hydraulic Lifting Failure from Leaking Z07120000001AA Raising Cylinder

A rig’s hydraulic lifting system failed to lift components, with severe fluid leaks—inspection revealed the Z07120000001AA Raising cylinder had worn seals, causing hydraulic pressure loss. Solution: We replaced the raising cylinder with our Z07120000001AA part, checked the 4900350304 solenoid valve connection, and refilled the hydraulic system with API-compliant fluid. The lifting system resumed smooth operation in 1.5 hours, restoring critical rig functions.

Case 3: Structural Instability from Damaged P9910982AA Angle Steel

A rig’s frame showed signs of instability during operation—inspection found the P9910982AA Angle steel L2257 had cracked due to heavy loads and vibration, compromising structural integrity. Solution: We replaced the damaged angle steel with our P9910982AA part, reinforced the mounting area, and inspected adjacent structural components. The frame instability was eliminated in 1 hour, ensuring safe operation and preventing potential equipment collapse.

FAQ (Frequently Asked Questions)

Procurement Guidance

In industrial and oilfield operations, unplanned downtime, equipment damage, and safety hazards from faulty or ill-fitting spare parts cost hundreds of thousands in lost productivity, repairs, and potential regulatory penalties—especially when parts fail to meet API 7K and ISO standards. Many teams struggle with low-quality components: angle steel that cracks under heavy loads, raising cylinders that leak, input shafts that seize rotary tables, oil filling valve pieces that fail, or hydraulic oil tanks that lose fluid—wasting labor, time, and resources on repeated repairs. Our comprehensive portfolio of structural, hydraulic, transmission, lubrication, fastening, and auxiliary spare parts (including P9910982AA Angle steel L2257, Z07120000001AA Raising cylinder, 4900450001 Oil filling valve piece, 5000700184 Input shaft, and Z07170000013AA Hydraulic oil tank) is built to eliminate these risks, delivering OEM-level performance, perfect compatibility, and exceptional durability—all compliant with API 7K and ISO standards. Every part is made with premium materials, tested to withstand the harshest industrial and oilfield conditions (mud, high pressure, extreme temperatures, dust), and engineered as a direct drop-in replacement to streamline maintenance and reduce downtime. Whether you need structural components (angle steel, bottom beams, guardrails) for stable, safe equipment operation, hydraulic components (raising cylinders, oil tanks, valves) for reliable lifting and fluid control, transmission parts (input shafts, keys) for efficient power transfer, lubrication components for leak-proof fluid management, fastening parts for secure component attachment, or auxiliary parts (preheating systems, oil seal seats) for enhanced functionality, we offer a one-stop supply solution tailored to all your oilfield rotary table and heavy-duty equipment needs. Our parts are designed to keep your machinery running at peak efficiency, protect worker safety, avoid regulatory non-compliance, and maximize productivity—with clear technical guidance (including API compliance documentation) to help you verify compatibility and simplify procurement. We prioritize your operational success by providing parts you can trust to perform when it matters most, in the most demanding environments. Choose our precision-engineered spare parts for reliable, direct-fit replacements that keep your industrial and oilfield operations safe, continuous, and efficient—backed by compliance with industry standards and a focus on long-term value.

contact us ：

Emeil: [email protected]   whatsapp: +86 15275658619

Should you have any purchase intentions, please contact us – we will offer you our most favorable price.