Core Application & Target User Requirements
This parts catalog is exclusively tailored for the TK30 Series Drawworks Disc Brake Control System, focusing on the critical valve group components that govern hydraulic/pneumatic signal transmission and braking force regulation. It is designed to meet the specialized needs of drilling site maintenance engineers, drawworks operation supervisors, and hydraulic system technicians—professionals who rely on leak-free, corrosion-resistant, and high-precision valve group parts to avoid braking delays or system failures in harsh oilfield environments. Operating amid high dust, humidity, salt mist (offshore operations), and continuous vibration, these users prioritize parts with reliable sealing performance, durable materials, and easy maintenance. The core purpose of this catalog is to provide a structured, application-specific resource that integrates procurement guidance with technical troubleshooting support, ensuring all components fully match the dimensional and performance standards of TK30 series valve groups while solving common wear and failure problems.
1. Valve Group Assemblies
As the core control units of the TK30 series drawworks disc brake system, Valve group 1 and Valve group 2 are responsible for integrating multiple functional components to achieve oil-way switching, pressure regulation, and braking signal execution. Key pain points in oilfield operations include internal component misalignment from vibration, oil leakage due to seal aging, and internal clogging from contaminated hydraulic oil—all of which can lead to unstable braking performance or complete system downtime. These valve group assemblies feature precision-machined housings, optimized internal flow channels, and anti-corrosion treatments to ensure reliable operation under high-pressure and high-vibration conditions.
No. | Part № | Description | Material | Primary Wear Causes | Damage Prevention Precautions |
1 | TK30-01-00 | Valve group 1 | 45# steel integrated housing (quenched & tempered) + aluminum alloy mounting flange + anti-corrosion powder coating | Housing deformation from long-term vibration; internal oil-way clogging from hydraulic oil impurities; seal aging at component joints; mounting flange wear | Inspect housing for deformation quarterly; clean internal oil-ways annually using high-pressure hydraulic oil (NAS 8 standard); replace all seals during annual maintenance; ensure mounting flange is flat and tight (torque bolts evenly to 35-40 N·m) |
2 | TK30-02-00 | Valve group 2 | 40Cr steel integrated housing (quenched & tempered) + cast iron oil-way base + anti-corrosion electrophoretic coating | Same as Valve group 1; additional oil-way base cracking from pressure spikes; thread wear at component mounting holes | Same as Valve group 1; avoid sudden pressure spikes (install pressure relief valve if necessary); use bushing sleeves when disassembling components to protect mounting hole threads; inspect oil-way base for cracks monthly |
2. Valve Group Core Functional Components
These components are the key executive parts within the valve groups, responsible for specific functions such as parking brake control, hydraulic/pneumatic reversing, and pressure measurement. In high-pressure oilfield operations, key pain points include valve core jamming, spring fatigue, pressure measurement inaccuracy, and seal leakage—all of which directly affect the precision and reliability of braking control. These parts feature high-hardness valve cores, fatigue-resistant springs, and high-temperature-resistant seals to ensure stable performance under continuous operation.
No. | Part № | Description | Material | Primary Wear Causes | Damage Prevention Precautions |
1 | DG17V-3-2N-60 | Parking brake valve | 45# steel valve body + 316 stainless steel valve core + 65Mn return spring + FKM seals | Valve core jamming from dust ingress; spring fatigue leading to pressure deviation; seal aging causing oil leakage; thread wear at mounting interface | Install a dust cover on the valve stem; calibrate valve pressure every 6 months (replace spring if fluctuation exceeds ±0.5MPa); replace seals annually; apply anti-seize compound to mounting threads; tighten to specified torque (25-30 N·m) |
2 | TY-F-3Y | Hydraulic reversing valve | 45# steel valve body + 316 stainless steel spool + 50CrVA spring + FKM seals | Spool wear from contaminated hydraulic oil; seal damage from high-temperature operation; spring fatigue; valve body corrosion from hydraulic oil additives | Ensure hydraulic oil cleanliness meets NAS 8 standard; replace hydraulic oil filter every 1000 operating hours; avoid operating in environments above 80℃; inspect spring elasticity quarterly; apply anti-corrosion oil to valve body surface |
3 | TY-F-Q | Pneumatic reversing valve | Aluminum alloy valve body + 316 stainless steel spool + NBR seals + 65Mn spring | Spool jamming from compressed air impurities; seal aging leading to air leakage; valve body corrosion from humid/salt-laden air; handle wear from frequent operation | Install a 5μm precision air filter at the inlet; drain the filter daily; clean spool every 600 operating hours; replace seals annually; lubricate handle pivot monthly with lithium-based grease; inspect for corrosion monthly |
4 | PT-3 | Pressure measuring connector | 304 stainless steel body + FKM seal + copper pressure sensing interface | Seal aging leading to oil leakage; thread wear from repeated gauge connection; copper interface deformation from impact; corrosion from moisture | Replace seals every 6 months; use torque wrench when connecting gauges (15-20 N·m); protect interface with a dust cap when not in use; inspect for corrosion monthly; avoid impact on the connector body |
3. Valve Group Structural & Mounting Components
These components provide structural support and mounting positioning for the valve groups, ensuring the stability and alignment of internal functional parts. In high-vibration oilfield environments, key pain points include base board deformation, oil-way block cracking, and mounting hole wear—all of which can cause component misalignment and oil leakage. These parts feature high-strength materials and anti-corrosion treatments to withstand the mechanical stress and harsh environmental conditions of drilling operations.
No. | Part № | Description | Material | Primary Wear Causes | Damage Prevention Precautions |
1 | TK30-01-01 | Base board | Q235B carbon steel (thickened, shot blasting + anti-corrosion powder coating) | Surface corrosion; bending deformation from vibration; mounting hole wear from repeated bolt assembly; weld joint fatigue | Inspect for deformation monthly (straighten if needed); touch up coating if peeling is found; use bushing sleeves during bolt disassembly/assembly; inspect weld joints for cracks quarterly; tighten mounting bolts evenly |
2 | TK30-02-01 | Oil-way block | 45# steel (drilled & tapped, quenched & tempered + anti-corrosion coating) | Internal oil-way clogging; thread wear at component mounting holes; cracking from pressure spikes; surface corrosion | Flush internal oil-ways annually; use thread protectors when components are removed; install a pressure relief valve to prevent overpressure; clean surface monthly and apply anti-rust oil; inspect for cracks monthly |
4. Valve Group Pipe Joints & Sealing Components
These components form the sealed connection network of the valve groups, responsible for connecting pipelines and preventing oil/gas leakage. In high-pressure hydraulic/pneumatic systems, key pain points include joint leakage, thread wear, seal aging, and pipe corrosion—all of which can lead to pressure loss and system failure. These parts feature precision-machined threads, corrosion-resistant materials, and high-performance seals to ensure reliable sealing and long service life.
No. | Part № | Description | Material | Primary Wear Causes | Damage Prevention Precautions |
1 | TK01-04-02-00 | Pipe joint 10 | 304 stainless steel + FKM seal | Thread wear from repeated disassembly; seal aging leading to oil leakage; corrosion from hydraulic oil/moisture; misalignment causing stress | Tighten to specified torque (18-22 N·m); replace seals every 6 months; apply anti-seize compound to threads; ensure pipeline alignment before assembly; inspect for leakage monthly |
2 | JB978-1977 | Pipe joint 14 M14x1.5 | 304 stainless steel + FKM seal | Same as Pipe joint 10; additional pressure fatigue from larger diameter | Tighten to specified torque (22-26 N·m); other precautions same as Pipe joint 10; inspect for thread damage quarterly |
3 | JB978-1977 | Pipe joint 10 | Same as Pipe joint 10 (TK01-04-02-00) | Same as Pipe joint 10 (TK01-04-02-00) | Same as Pipe joint 10 (TK01-04-02-00) |
4 | JB/T1883-1977 | Pipe joint 14/ M18x1.5 | 304 stainless steel + FKM seal | Thread wear; seal aging; corrosion; leakage from high-pressure fatigue; joint deformation from impact | Tighten to specified torque (28-32 N·m); replace seals every 6 months; apply anti-seize compound to threads; protect joint from impact with a sleeve; inspect for leakage during pressure testing |
5 | JB/T966-1977 | Pipe joint 14/M18x1.5 | 304 stainless steel + FKM seal | Same as Pipe joint 14/ M18x1.5 (JB/T1883-1977) | Same as Pipe joint 14/ M18x1.5 (JB/T1883-1977); additional regular batch inspection of tightness due to high quantity usage |
6 | - | Pneumatic joint G1/8″ | 304 stainless steel + NBR seal | Thread wear; seal aging leading to air leakage; corrosion from humid air; locking mechanism wear | Tighten to specified torque (12-16 N·m); replace seals every 6 months; apply anti-seize compound to threads; use a dust cap when not in use; inspect locking mechanism monthly |
7 | - | Stainless steel pipe Φ10x2 | 304 stainless steel | Surface corrosion from moisture/dust; deformation from impact; weld joint wear from vibration; internal scaling from hydraulic oil oxidation | Clean surface monthly and apply anti-rust oil; avoid impact; use pipe clamps to fix and reduce vibration; inspect weld joints for cracks quarterly; flush pipeline annually to remove internal scaling |
8 | JB/ZQ4454-1997 | Seal packing 18x22 | PTFE (polytetrafluoroethylene) + aramid fiber | Aging and hardening from high temperature; damage from sharp edges; compression set from long-term pressure | Replace annually or if leakage is found; ensure sealing surface is free of sharp edges; install with proper compression (avoid over-compression); store in a cool, dry environment away from direct sunlight |
5. Valve Group Plug & Connector Components
These components are used to seal unused oil-way ports and connect functional parts within the valve groups, playing a key role in maintaining system pressure and preventing contamination. Key pain points in oilfield operations include plug leakage, connector corrosion, thread wear, and seal damage—all of which can lead to pressure loss and internal component contamination. These parts feature precision threads and reliable sealing structures to ensure the integrity of the valve group system.
No. | Part № | Description | Material | Primary Wear Causes | Damage Prevention Precautions |
1 | JB/ZQ4444-1997 | Plug M10x1 | 304 stainless steel + NBR seal | Thread wear from repeated disassembly; seal aging leading to oil leakage; corrosion from hydraulic oil/moisture; over-tightening causing thread damage | Tighten to specified torque (15-20 N·m); replace seals every 6 months; apply anti-seize compound to threads; inspect for leakage monthly; avoid over-tightening |
2 | JB/ZQ4444-1997 | Plug M18x1.5 | 304 stainless steel + FKM seal | Same as Plug M10x1; additional pressure fatigue from larger diameter | Tighten to specified torque (25-30 N·m); other precautions same as Plug M10x1; inspect for thread damage quarterly |
3 | JB/T978-1977 | Connector 14 | 304 stainless steel + FKM seal | Thread wear; seal aging; corrosion from moisture/hydraulic oil; misalignment causing stress on the connection | Tighten to specified torque (22-26 N·m); replace seals every 6 months; apply anti-seize compound to threads; ensure proper alignment before assembly; inspect for corrosion monthly |
6. Valve Group Fastening Components
These components secure all parts of the valve groups, ensuring structural stability and component alignment in high-vibration oilfield environments. Key pain points include loosening from continuous vibration, corrosion, thread wear, and cross-head damage—all of which can lead to component detachment and system failure. These parts feature high-strength materials, anti-corrosion treatments, and anti-loosening designs to ensure reliable fastening performance.
No. | Part № | Description | Material | Primary Wear Causes | Damage Prevention Precautions |
1 | GB/T70.1-2000 | Bolt M5x30 | 35CrMo steel (galvanized, quenched & tempered) | Thread wear; galvanizing peeling leading to corrosion; loosening from vibration; cross-head damage from improper tools | Use matching precision cross-head screwdrivers; tighten to specified torque (8-12 N·m); apply thread locker (Loctite 243) for vibration-prone areas; inspect for corrosion and loosening monthly |
2 | GB/T70.1-2000 | Bolt M5x55 | 35CrMo steel (galvanized, quenched & tempered) | Same as Bolt M5x30; additional bending deformation from longer length | Use torque wrench for assembly (8-12 N·m); apply thread locker; inspect for bending monthly; other precautions same as Bolt M5x30 |
Procurement & Technical Support Guidance
All components listed in this catalog are 100% compatible with the TK30 Series Drawworks Disc Brake Control System, manufactured in strict accordance with national industrial standards and oilfield harsh environment operation requirements. Each part undergoes rigorous quality inspection, including dimensional accuracy testing, material performance verification, and sealing performance testing, to ensure reliable operation in high-pressure, high-vibration, and corrosive environments. This catalog serves as a professional procurement reference, helping you quickly locate the exact valve group parts you need, while also providing in-depth technical guidance to solve common wear and failure problems—effectively reducing maintenance time and operational downtime. Whether you need to replace worn parts, stock up on critical spares, or seek professional advice on valve group maintenance and component selection, our team of drawworks control system experts is ready to provide personalized support. To ensure the safe and efficient operation of your TK30 series drawworks disc brake system, contact us today to discuss your procurement needs and access high-quality, reliable parts and professional technical services.