
1. Product Overview & Core Application Purpose
This professional component assembly centers on TK30-01-00 Valve Group 1, fully matched with BK series hydraulic and braking accessories, strictly manufactured per GB70-85, GB894.2-86, GB/T1972-1992, JB1885-77 and other national authoritative mechanical and hydraulic standards. The complete set is customized for TK series brake control equipment and integrated hydraulic station systems, targeting refined maintenance, equipment overhaul and system upgrade demands of oilfield exploitation equipment, heavy construction machinery and industrial hydraulic station users. It solves key industry pain points including unstable hydraulic circuit pressure, brake system response lag, sealing failure leakage, fastener loosening and elastic component fatigue under long-term vibration and heavy-load operation. Verified by exclusive 29000 hours of continuous full-load field operation tests, this component assembly delivers precise hydraulic control, reliable braking execution and durable structural stability, serving as standard interchangeable parts for mainstream industrial hydraulic braking systems.
2. Product Introduction
This product portfolio covers full-spectrum supporting parts for industrial hydraulic braking and control systems, including core TK30-01-00 Valve Group 1, BK series copper bushes, steel backing, retaining rings and sealing rings, YX series guide bands and sleeves, standardized national standard bolts, washers and circlips, high-pressure hoses, pipe connectors and solenoid control valves. It also contains professional auxiliary parts such as pressure measuring connectors, grease cups, support arms and brake pads. All components adopt precision machining and strict hydraulic pressure resistance, wear resistance and vibration testing, featuring high dimensional accuracy and universal interchangeability, which supports direct replacement and assembly without on-site secondary processing for matched hydraulic station and brake handle equipment.
3. Core Functional Description
The assembly undertakes hydraulic circuit regulation, mechanical braking execution, structural positioning sealing and system auxiliary protection for industrial equipment. TK30-01-00 Valve Group 1 acts as the core control unit to realize hydraulic oil circuit distribution and pressure regulation. YX-F-D check valves and BK-DC-06 solenoid reversing valves ensure one-way oil conduction and automatic circuit switching to avoid hydraulic backflow disorder. Multi-model BK and YX sealing rings eliminate internal and external oil leakage of hydraulic cylinders and valve bodies. Disc springs and BK-12-7A springs buffer equipment vibration and maintain stable braking preload. Brake pads and emergency caliper cylinder assemblies guarantee safe and sensitive braking output, while standardized fasteners and key parts fix the overall structure to prevent displacement failure under long-term vibration.
4. Structural Characteristics
This component set adopts modular integrated structural design with outstanding overall stability and environmental adaptability. The 255mm YX-GB-1 guide band and multi-specification sleeves form low-friction motion pairs, effectively avoiding operational jamming and wear loss. The integrated 90251002 oil-way block optimizes internal oil circuit layout and reduces hydraulic transmission loss. Multi-layer sealing combination of BK-SR and YX-SR series sealing rings achieves full-link leak-proof protection. Standardized key and circlip structures enhance anti-loosening and anti-drop performance. The matched hydraulic station case provides dustproof and anti-collision protection for internal components, extending the overall service life of the control system.
5. Applicable Working Conditions
The product assembly adapts to various harsh high-intensity industrial scenarios, mainly applicable to onshore oilfield drilling and production equipment, heavy-duty engineering machinery braking systems, fixed industrial hydraulic stations and automated hydraulic control production lines. It stably operates in ambient temperatures ranging from -22℃ to 68℃, resisting dust erosion, humid air and continuous mechanical vibration. It fully meets the operational demands of frequent start-stop, long-duration continuous load and intermittent impact load working conditions for TK01 and TK30 series control equipment.
6. Maintenance Guidelines & Engineer Practical Tips
Senior field hydraulic engineers have summarized targeted standardized maintenance specifications for this assembly. Clean the integrated oil-way block and valve group inner cavity every 30 days to prevent impurity accumulation and circuit blockage. Inspect the elasticity of disc springs and BK-12-7A springs every 60 days to avoid braking pressure attenuation. Check the tightness of M8, M10, M12 and M16 series standard screws and lock washers regularly to eliminate structural loosening. Replace aging and deformed sealing rings proactively. Standardized cyclic maintenance can increase the stable service cycle of the entire hydraulic braking system by 8600 hours compared with irregular maintenance modes, greatly reducing unplanned equipment downtime.
We supply the following spare parts:
BK-2-6C Steel backing |
JB1885-77 High-pressure hose 221-600KA |
BK-8-7A Semicircle retaining ring |
TK01-01-01A Brake handle |
22/28 Variable-diameter pipe 22/28 |
GB/T1972-1992 Disc spring |
BK-SR-1 sealing ring |
TK30-01-00 Valve group 1 |
BK-SR-1 sealing ring |
BK-7-6A4 Disc spring |
BK-7-7A5 Copper bush |
BK-SR-5 sealing ring |
BK-12-7A Spring |
BK-7-6A9 Retaining ring |
BK-7-6A Emergency caliper cylinder assembly |
GB70-85 Screw M10x25 |
GB70-85 Socket cap head screw M12x30 |
GB70-85 Screw M16x45 |
90252000 Hydraulic station case |
GB894.2-86 Circlip for shaft 75 |
JB984 Connector M14x1.5/ M22 x 1.5 |
BK-9-6C Support arm |
BK-4-7B3 Clevis pin with head |
YX-SR-2 sealing ring |
JB974 Connector 22 |
YX-3-6C Sleeve |
YX-GB-1 Guide band L=255 |
YX-F-D Check valve |
GB1152-79 Grease cup M8x1 |
BK-6-6A Cover plate |
BK-1-6A Brake pad |
BK-3-6C6 Sleeve |
PT-7 Pressure measuring connector G1/4″ /M16 |
BK-DC-06 Solenoid reversing valve |
GB93-87 Washer 12 |
GB/T1096-1979 Key 5X25 |
BK-DC-08 relay valve |
BK-10-7A Baffle plate |
GB70-85 Socket cap head screw M12x30 |
90251002 Integrated oil-way block |
BK-3-7B Sleeve |
BK-SR-1 sealing ring |
BK-6-6A Cover plate |
GB819-86 Slotted countersunk head screw M6x 12 |
BK-7-6A6 Hydraulic cylinder |
TK01-01-03 Washer 1 |
GB70-85 Screw M8x18 |
BK-7-6A9 Retaining ring |
BK-SR-3 sealing ring |
GB93-87 Lock washer 12 |
7. On-Site Field Maintenance Cases
Case 1: Tarim Oilfield Hydraulic Control Equipment Fault
Equipment Model: TK30-01-00 Valve Group 1 Matching Hydraulic Station; Load: 115kN continuous rated load; Fault Manifestation: Unstable oil circuit pressure and slow valve switching response; Repair Solution: Replace BK-SR-5 sealing ring and YX-F-D check valve; Restored Index: Hydraulic pressure fluctuation controlled within 0.15MPa, valve switching response recovered to standard 0.2s; Customer Feedback: System operation is stable, no pressure fluctuation fault recurs during long-shift operation.
Case 2: Daqing Oilfield Braking System Fault
Equipment Model: TK01-01-01A Brake Handle Assembly; Load: High-frequency start-stop cyclic load; Fault Manifestation: Handle jamming and insufficient braking force; Repair Solution: Replace BK-7-7A5 copper bush and BK-7-6A4 disc spring; Restored Index: Mechanical operation flexible and jamming-free, braking torque reaches full rated standard; Customer Feedback: Braking sensitivity significantly improved, meeting high-frequency operation demands.
Case 3: Shengli Oilfield Hydraulic Pipeline Fault
Equipment Model: JB1885-77 High-pressure Hose Matching Circuit System; Load: 90% long-term steady load operation; Fault Manifestation: Pipeline micro leakage and pressure loss; Repair Solution: Replace high-pressure hose and BK-SR-1 sealing ring set; Restored Index: Zero leakage in 72-hour continuous pressure test, no pressure drop in full-load operation; Customer Feedback: Solved hidden leakage danger, improved equipment operational safety.
Case 4: Changqing Oilfield Auxiliary Hydraulic Equipment Fault
Equipment Model: BK-7-6A6 Hydraulic Cylinder Assembly; Load: Intermittent impact load; Fault Manifestation: Cylinder friction noise and positioning deviation; Repair Solution: Replace YX-3-6C sleeve and semicircle retaining ring; Restored Index: Friction noise completely eliminated, component positioning accuracy fully compliant with factory standards; Customer Feedback: Equipment runs smoothly, maintenance cycle effectively prolonged.
8. Product FAQ
No. | Frequently Asked Question | Professional Technical Answer |
1 | What core equipment does TK30-01-00 Valve Group 1 adapt to? | It is the dedicated control component for TK series brake handle devices and industrial integrated hydraulic stations, compatible with all matched BK series hydraulic braking auxiliary components in this assembly. |
2 | Why do hydraulic systems suffer from frequent pressure instability? | Most pressure instability faults are caused by aging sealing rings, fatigued disc springs and blocked oil-way blocks. Regular cleaning and replacement of wearing parts can completely resolve this issue. |
3 | What is the unique advantage of 255mm YX-GB-1 guide band? | The extended structural design increases the contact area of moving parts, reducing unit friction loss, with verified service life 6500 hours longer than conventional short guide bands under the same working load. |
4 | Are GB standard screws and washers universally interchangeable? | All fasteners comply with national unified standards, with standardized installation dimensions, supporting direct interchangeable replacement for all matched industrial hydraulic and braking equipment. |
5 | What is the main function of BK-DC-06 solenoid reversing valve? | It realizes automatic switching of hydraulic oil circuits, precisely controls the action logic of brake cylinders and executive parts, and improves the intelligent control accuracy of the entire braking system. |
9. Procurement Reference & Closing Description
This complete set of TK30-01-00 Valve Group 1 and BK series hydraulic brake components strictly implements national hydraulic machinery manufacturing standards, with all products passing 29000 hours of continuous aging testing and harsh field working condition verification. With professional structural design, stable mechanical performance and high part interchangeability, the assembly effectively solves common technical problems such as hydraulic pressure instability, braking response failure, pipeline leakage and mechanical wear of industrial hydraulic equipment. It provides standardized, unified procurement specifications for equipment assembly, batch replacement and system renovation, and offers authoritative practical technical guidance for daily equipment maintenance and fault troubleshooting. Suitable for bulk procurement by industrial hydraulic station supporting manufacturers, oilfield operation and maintenance teams and engineering machinery service institutions, all components are complete in specifications and stable in quality to meet diversified industrial production and equipment maintenance demands.