Core Product Overview & Target Application Purpose
This full line of industrial spare parts is engineered exclusively for heavy-duty industrial operating systems, including oilfield mud pump units (3NB-1600 series), industrial air compressors, DC motor drive systems, high-pressure hydraulic pipeline networks, and industrial power distribution & control cabinets. Built to match original equipment manufacturing (OEM) specifications, every component covers critical electrical control, hydraulic transmission, explosion-proof signalling, power conversion, mechanical sealing, and routine maintenance consumable categories. Target users include oilfield drilling contractors, industrial equipment maintenance teams, factory facility management departments, and industrial mechanical & electrical engineering contractors, addressing core pain points of urgent spare parts replacement, long equipment downtime, non-standard component matching failures, and unplanned production shutdowns. All parts undergo strict factory performance testing, with uniform dimensional interfaces, stable electrical performance, and strong compatibility to support seamless equipment replacement and long-term stable operation.
Product Introduction
We supply fully certified, OEM-compatible industrial spare parts covering electrical contactors, thermal overload relays, digital synchronizer controllers, explosion-proof LED signal lights, power transformers, high-pressure hydraulic pipelines, mud pump wearing parts, fuses, industrial maintenance consumables, and custom electrical modules. Each part is manufactured in line with international industrial safety and performance standards, including IEC, ATEX, IECEX, CE, and KC certification for explosion-proof components, and GB electrical standards for domestic industrial applications. Core flagship models include Woodward DSLC-2 8440-1878 digital synchronizer, Schneider LC1E200Q5 contactor, LR9F5571 thermal magnetic overload relay, Siemens 6RA70186DS220 DC converter, QNE-120/230-R explosion-proof LED signal light, and 3NB-1600 mud pump dedicated mechanical parts, alongside standardized fuses, transformers, and hydraulic fittings. All components are produced with premium raw materials (aluminum alloy, nitrile rubber, HNBR high-temperature resistant material, high-strength metal) to ensure ultra-high durability under extreme industrial conditions.
Key Function Description
Electrical control components deliver stable power switching, overload protection, synchronous speed regulation, and current voltage stabilization, eliminating circuit burnout and equipment speed fluctuation failures. Explosion-proof signal lights integrate steady lighting, flashing strobe, and simulated revolving light functions, meeting hazardous area safety signalling requirements in oilfield and chemical scenarios. High-pressure hydraulic pipelines and fittings withstand 35MPa extreme working pressure, preventing pipeline leakage and pressure loss. Mud pump mechanical parts provide precise sealing, stable transmission, and wear resistance, extending core pump component service life. Routine maintenance consumables support daily equipment upkeep, corrosion protection, and on-site emergency repair. Power transformers and fuses provide layered circuit protection, controlling voltage fluctuations and blocking short-circuit damage to extend core equipment lifespan by 1200 operating hours on average.
Structural & Material Advantages
Electrical enclosures and mounting bases use die-cast aluminum alloy for lightweight, corrosion-resistant, and efficient heat dissipation performance, adapting to long-term continuous operation. Sealing components adopt nitrile and HNBR special rubber, with oil resistance, high-temperature resistance, and aging resistance, reaching a continuous service temperature range of -40℃ to 120℃. Contactors and relays use pure copper coil and high-conductivity contact materials, with 20000+ times of stable switching without contact ablation. High-pressure pipelines use thick-walled seamless steel pipe, with double-layer steel wire winding structure for burst pressure resistance far exceeding industrial standard thresholds. Mud pump wearing parts adopt precision forging process, with tight dimensional tolerance control (error within 0.02mm) for perfect OEM matching, no assembly gap or abnormal wear.
Applicable Operating Conditions
All spare parts adapt to harsh industrial environments: oilfield offshore drilling platforms, land drilling rigs, industrial factory production lines, high-pressure hydraulic power systems, hazardous explosion-proof areas, high-temperature and high-humidity outdoor construction sites, and dusty mechanical workshop conditions. Compatible with voltage standards of 220V, 380V, 440V, 690V, 50/60Hz AC power supply, and 6/250VDC DC control circuits. Suitable for continuous heavy-load operation, frequent equipment startup and shutdown, high-pressure fluid transmission, and long-term outdoor exposure. Explosion-proof components fully comply with ATEX and IECEX hazardous area standards, safe for use in flammable gas and dust environments.
On-Site Maintenance & Upkeep Suggestions
Conduct regular visual inspection of electrical contactors, relays, and fuses every 1500 operating hours, checking for contact ablation, loose wiring, and abnormal heating. Replace sealing gaskets and O-rings every 2400 operating hours to prevent fluid leakage. Clean hydraulic pipelines and cable trays regularly to avoid dust and debris accumulation affecting heat dissipation. Store rubber seals and corrosion-resistant paint in dry, shaded environments to prevent premature aging. For mud pump moving parts, apply dedicated lubricant per operating hours to reduce friction wear; avoid forced assembly of non-standard parts to prevent secondary equipment damage. All replacement parts must match original model numbers to avoid parameter mismatch failures.
We supply the following spare parts:
WOODWARD DSLC- 2 (DIGITAL SYNCHRONIZER AND LOAD CONTROL) 8440-1878 |
SOCKET SCHUKO FLANGED 16A 220V 50HZ 2POL. MATERIAL ALU MOUNTING 33156 |
CONTACTOR -200A/440V 3P EASY PACT TVS (3 NO) <= 380V AC 50 HZ COIL LC1E200Q5 (SCHNEIDER) LC1E200Q5 |
TERMAL MAGNETIC OVERLOAD RELAY 132-220A LR9F5571 CLASS-20 (SCHNEIDER) LR9F5571 |
PISTON O-RING NITRILE OF GRACO® XTREME® 70:1 20G122675 |
TRANSFORMER T1 600V/19V 100VA 3 PHASE |
CONTACTS TO PLUG 20 TYPE 25YT 25A 400V 50-400HZ |
SCHNEIDER ELECTRIC TELEMECANIQUE THERMAL OVER LOAD RELAY LR2D33 |
MACHINE TOOLCONTROL TRANSFORMER P=250VA 50/60HZ T40/E JBK3-250 TH |
PRESSURE CONTROLLER BULLETIN 836 |
FUSE 690V 2A |
FUSE 690V 2A |
FUSE RS58 25A 660V |
FUSE RO58 2A 660V |
FUSE FOR POWER SUPPLY 6RY1702-0BA00 |
FUSE FOR POWER SUPPLY 6RY1701-0BA00 |
TRANSFORMER (380V) 7790018 |
FLAME PROOF LED SIGNAL LIGHT THAT FEATURES STEADY/FLASHING STROBE AND SIMULATED REVOLVING LIGHT FUNCTIONS IN ONE UNIT Ø92MM ATEX IECEX CE AND KC QNE-120/230-R |
TRANSFORMER T1 600V/19V 100VA 3 PHASE |
FUSE 690V 2A |
FLAME PROOF LED SIGNAL LIGHT THAT FEATURES STEADY/FLASHING STROBE AND SIMULATED REVOLVING LIGHT FUNCTIONS IN ONE UNIT Ø92MM ATEX IECEX CE AND KC QNE-120/230-R |
RELAY PROTECTION MODULE 6/250 VDC RXM040W |
RELAY SOCKET RXZE2S105M 12A 250V 2.5KV RXZE2S105M |
TERMAL MAGNETIC OVERLOAD RELAY 90-150 LR9D5369 (SCHNEIDER) LR9D5369 |
CONTACTOR TELEMECANIQUE 220\230V L=125A U=600V LC1FF43 |
SIEMENS SIMOREG DC-MASTER CONVERTER 6RA70186DS220 |
CONTROL SPEED WOODWARD 2301A 9907-014 |
RELAY TELEMECANIQUE 120VAC 10A/250VAC |
BOARD TBFY-450 |
BOARD GFB (SIMOREG MASTER DRIVE 1P6RA7018-6DS22-0-Z of MP DW RT OF SCR) |
ANALOG INPUT MODULE AI8X12BIT 331-7KF02-OABO |
CURRENT TRANSFORMER GB1208-97 2000A 40VA GB1208-97 |
POWER METER INPUT 220V 5A WB1850B35-0.5 |
MODULE SIEMENS CBP TOP DRIVE SCR 6SE7090-0XX84-0FF5 |
HMI TOUCH PANEL (WITH SOFTWARE PROTOOL |
SWITCH PRESSURE SULLAIR AIR COMRESSOR LS12-50HH 407778 |
CAPACITOR RE1505D01 (1.5 Mf 400V) 99282-4-7320 |
HOSE HYDRAULIC 3/8 2SN 330BAR BOTH OF SIDES 3/8 BSP FEMALE STRAIGHT |
FUM BIG |
TAPE BITUMEN |
ELECTRODE 2MM DC REGULAR (SABIT) |
PAINT BRUSH 100MM |
TIE WRAP METAL 500X10MM |
TIE WRAP METAL 600X10MM |
TIE WRAP METAL 150X4.6MM |
TIE WRAP METAL 200X4.6MM |
TIE WRAP METAL 300X4.6MM |
TIE WRAP METAL 400X7.9MM |
ALCOHOL INDUSTRIAL |
EMERY PAPER SHEET P-120 |
SLEDGEHAMMER 5KG |
CABLE TRAY WITH COVER 100MMX70MM |
BRUSH PAINT 75MM |
ROLLER FOR PAINT (250MM) |
ROLLER FOR PAINT (200MM) |
ROLLER FOR PAINT 100MM/BARMAQ VALIK 100MM |
PAINT ANTICORROSION RED |
PAINT SYNTETIC GREEN 17KG |
THINNER PAINT |
PAINT REMOVER GEL OK-243 |
PAINT SYNTETIC WHITE 17KG |
PAINT SYNTETIC GREY 17KG |
EXPANSION JOINT 2IN RUBBER DN50X130MM-HNBR WHITE-GREEN |
HP PIPELINE 4IN ASSEMBLY WP-35MPa L-3,0 MTR C/W BOTH END OFF HAMMRE UNION FIG-1002-4IN |
HP PIPELINE 4IN WP-35MPa L-6,0 MTR C/W BOTH END OFF HAMMRE UNION FIG- 1002-4IN |
HP PIPELINE 4IN WP-35MPa L-12,0 MTR C/W BOTH END OFF HAMMRE UNION FIG- 1002-4IN |
HP ELBOW 90º 4INWP-35MPa C/W BOTH END OFF HAMMRE UNION FIG-1002-4IN |
HP PIPELINE 4IN WP-35MPa |
HAMMER UNION FIG-1002-4IN END OFF BUTT WELD |
SEAL OIL 206X182X16 D-1981 |
STUD DISCHARGE MANIFOLD MUD PUMP 107.11.110.06 |
CLIP LOCKING MUD PUMP 3NB-1600 107.11.110.52-1 |
RING GUIDE MUD PUMP 107.11.140.05-1 |
GUIDE CROSSHEAD LOWER 107.11.90.03 |
PIPE CAP 107.130.06\G5/8IN |
BOLT M24X60MM MUD PUMP GB5783-86 |
STUD 186X39MM m/n: 107.11.110.17 MUD PUMP 3NB-1600 107.11.110.17 |
SEAL VALVE COVER UP HNBR 107.11.110.05 |
BRUSH WHELL WIRE 115MM 107.11.110.05 |
Field Equipment Failure Repair Cases
Case 1: Permian Basin, USA – 3NB-1600 Mud Pump
Fault Problem: Severe oil leakage at the pump valve cover, with daily leakage volume reaching 8L, affecting normal drilling construction. Load: 1600HP continuous heavy-load operation. Replacement Part: HNBR valve cover upper seal 107.11.110.05. Post-repair Index: Zero leakage, sealing pressure stability maintained at 28MPa, no abnormal pressure fluctuation. Customer Feedback: Solved long-term leakage trouble, eliminated unplanned shutdowns for leak handling, improved drilling efficiency.
Case 2: Middle East Onshore Oilfield – Siemens 6RA70186DS220 DC Converter
Fault Problem: Converter overload tripping, unstable speed control, frequent production interruptions. Load: 380V industrial motor drive system. Replacement Part: LR9F5571 thermal magnetic overload relay (132-220A, Class 20). Post-repair Index: Stable overload protection, no abnormal tripping under full load, speed control error controlled within 0.5%. Customer Feedback: Resolved electrical control instability, reduced equipment downtime by nearly half.
Case 3: North Sea Offshore Platform – Explosion-Proof Signal System
Fault Problem: Original signal light failed, no alarm prompt in hazardous working area, violating platform safety regulations. Replacement Part: QNE-120/230-R ATEX-certified explosion-proof LED signal light. Post-repair Index: Normal operation of steady/flashing/strobe functions, stable signal transmission in harsh marine salt-spray environment. Customer Feedback: Met offshore platform safety certification requirements, eliminated safety hazards quickly.
Common FAQ
Question | Answer |
Are these parts fully compatible with original OEM equipment models? | Yes, all parts are designed to OEM dimensional and performance standards, with 100% matching interfaces and parameters, suitable for direct replacement without modification. |
How to confirm the correct model for overload relay and contactor matching? | Check equipment rated current, voltage, and coil parameters; match contactor (LC1E200Q5) with corresponding overload relay (LR9F5571) for coordinated circuit protection. |
What is the storage life of rubber seals and maintenance consumables? | Sealing parts have a 24-month sealed storage life; maintenance consumables (paint, tape, emery paper) have a 36-month storage life when stored in dry, low-temperature conditions. |
Customer Purchasing Guidance
Choose corresponding spare parts strictly according to your equipment model, rated parameters, and working condition requirements to ensure perfect matching and stable performance. All products undergo complete factory quality inspection and performance testing, with reliable quality and strong durability to meet long-term industrial operation needs. We provide complete parameter data, certification support, and on-site maintenance guidance for each component, helping you quickly solve spare parts procurement and equipment repair problems. For customized matching or bulk procurement needs, consult professional technical support to confirm detailed parameters and application plans, ensuring efficient procurement and smooth equipment maintenance without delay to production operations.
contact us :
Emeil: [email protected]
whatsapp: +86 15275658619