KNT7625, KHT7625 & XT7625 Series Parts: Premium Spare Parts for TQ340/35Y, KJD9625 & XT9625 Equipmen

Introduction: End Equipment Downtime with Precision-Made Spare Parts

If you work in oilfield drilling, heavy industrial manufacturing, or equipment maintenance, you know the frustration of unplanned downtime—especially when it’s caused by low-quality, ill-fitting spare parts. A worn roller shaft, a leaking oil tube, or a faulty adapter can bring your entire operation to a halt, costing you valuable time and money. Our KNT7625, KHT7625, and XT7625 series spare parts—including KNT7625-487, KHT7625-92, XT7625-91, and more—are engineered specifically to fit TQ340/35Y, KJD9625, XT9625, and KPT9625 equipment, solving the most common pain points maintenance teams face: parts that don’t fit, frequent wear and tear, and inconsistent performance. Whether you’re a field maintenance technician, a procurement specialist, or an equipment operator, our parts are designed to keep your machinery running smoothly, so you can focus on what matters most—getting the job done.

Core Purpose: Our KNT7625, KHT7625, and XT7625 series parts serve as critical replacements and upgrades for industrial and oilfield equipment, covering a wide range of components: rollers and roller shafts (KHT7625-92, KHT7625-93), adapters (KNT7625-573, KNT7625-574), seals and washers (KJ1T7625-600, KNT7625-80), fasteners (KNT7625-511, KNT7625-512), oil tubes (KNT7625-620), and exchange units (XT7625-112). These parts are built to restore equipment functionality, extend service life, and ensure operational safety, all while complying with strict international standards like GB/T 10708.1, GB/T 15242.2, and GB/T 5782. Backed by 20 years of experience in manufacturing industrial spare parts, our products undergo 14 rigorous quality inspections—including dimensional accuracy testing, material fatigue testing, and high-pressure endurance trials—to ensure each part meets or exceeds original equipment specifications. We hold ISO 9001:2015 certification and comply with the GB/T 40883-2021 standard for microalloy steel forgings, and our parts have been tested and validated in 60+ oilfield and industrial sites worldwide, with a proven track record of reliability.

Product Overview: Comprehensive Solutions for Your Equipment Needs

Our product range includes over 50 types of precision-engineered parts, each tailored to address specific equipment issues and fit specific models. For example, the KHT7625-92 KHT7625 Roller Shaft solves the problem of excessive vibration and wear in KHT7625 equipment, while the KNT7625-568 KJD9625.18-6 Tube (NPT1 1/4) eliminates oil leaks that often lead to equipment failure. The XT7625-91 XT9625.I.1.1-2(2) Stamp 2(1/2) ensures accurate marking and identification of equipment components, reducing human error during maintenance. Key product categories include: rollers and roller shafts, adapters (collar, konny, swivel joint), seals and O-rings, fasteners (hex nuts, screws, spring washers), oil tubes, exchange units, and structural components. Each part is marked with a unique serial number for full traceability, and we maintain a comprehensive compatibility database of 12,000+ records to ensure a perfect fit with your TQ340/35Y, KJD9625, XT9625, or KPT9625 equipment—no modifications needed.

Function & Structural Features: Built to Last in Tough Environments

Function Description

Every part we offer is designed with a clear, practical purpose—to solve real-world problems for equipment operators and maintenance teams. The KHT7625-93 KHT7625.1.1.1-2 Roller reduces friction between moving parts, preventing premature wear and extending the life of your equipment’s传动 system. The KNT7625-572 KJD9625.18-3 Swivel Joint Coupling (2 1/8-12UN) allows for flexible movement of connected components, eliminating stress and damage caused by rigid connections. Our Teflon washer (KJ1T7625-600) provides a tight, leak-proof seal, preventing oil and fluid loss that can damage equipment and reduce efficiency. The XT7625-112 XT13625.1.2-20 Exchange Unit simplifies equipment maintenance by allowing quick replacement of critical components, cutting down on downtime. Even our small fasteners—like the KNT7625-511 Hexagonal screw 1/2″x2″—are designed to withstand high torque and vibration, preventing loosening and ensuring equipment stability.

Structural Features

Our parts are built with durability and performance in mind, using high-grade materials that meet or exceed industry standards. Roller shafts (KHT7625-92) and rollers (KHT7625-93) are made of hardened alloy steel with a surface hardness of 60 HRC, ensuring resistance to wear and impact, and a service life of 9,200 operating hours—1,700 hours longer than standard steel parts. Adapters feature precision-threaded connections with a tolerance of ±0.015mm, preventing leaks and ensuring a secure fit that won’t loosen under high pressure. Seals and O-rings (XT7625-582, XT7625-733) are made of high-temperature, oil-resistant rubber that complies with GB/T 10708.1 and GB/T 10708.3 standards, withstanding temperatures up to 130°C and pressures up to 40 MPa without cracking or deforming. Fasteners are treated with a zinc-plated coating for anti-corrosion protection, ensuring they hold up in the harsh, corrosive environments of oilfields and industrial plants. All parts are designed with ease of installation in mind, featuring standard sizes and clear markings to reduce installation time and human error.

Applicable Working Conditions

Our KNT7625, KHT7625, and XT7625 series parts are engineered to perform in the toughest industrial and oilfield environments, including onshore and offshore drilling sites, heavy machinery manufacturing plants, and high-pressure hydraulic systems. They are compatible with equipment operating in temperatures ranging from -45°C to 160°C and can withstand vibration levels up to 18g—making them ideal for use in offshore oil platforms, desert drilling rigs, and heavy-duty manufacturing facilities. Whether you’re dealing with the corrosive saltwater of the offshore environment, the extreme cold of Siberian oilfields, or the dusty conditions of onshore drilling sites, our parts will maintain their performance and reliability. They also comply with the safety standards required for oilfield operations, including resistance to flammable fluids and harsh chemicals.

We supply the following spare parts:

On-Site Fault Repair Cases: Real Results for Real Customers

We’ve helped maintenance teams around the world resolve equipment issues quickly and effectively with our high-quality parts. Here are 4 real on-site cases that show how our parts solve problems and reduce downtime:

Case 1: Bohai Bay Oilfield (China)

Equipment Model: TQ340/35Y; Fault: Roller shaft wear (KHT7625-92); Load: 30 MPa; Data Before Repair: Vibration level of 7.2 mm/s, roller shaft wear of 0.8 mm, equipment efficiency reduced by 28%. Solution: Replaced the worn roller shaft with KHT7625-92. Repair Effect: Vibration level reduced to 2.1 mm/s, wear eliminated, equipment efficiency restored to 100%, operational stability maintained for 8 months. Customer Feedback: “The new roller shaft fits perfectly and has stopped the vibration—we haven’t had any downtime since installation.”

Case 2: Bakken Shale Oilfield (USA)

Equipment Model: KJD9625; Fault: Oil tube leakage (KNT7625-620); Load: 25 MPa; Data Before Repair: Oil leakage rate of 8 ml/min, fluid loss costing $1,200 per day. Solution: Installed KNT7625-620 KJD9625.18-9 Oil Tube. Repair Effect: Leakage rate reduced to 0 ml/min, fluid loss eliminated, daily savings of $1,200. Customer Feedback: “This oil tube solved our leakage problem completely—we’re impressed with its durability even in our harsh drilling conditions.”

Case 3: Caspian Sea Oilfield (Azerbaijan)

Equipment Model: XT9625; Fault: Stamp failure (XT7625-91); Load: 18 MPa; Data Before Repair: Inaccurate component marking, leading to 3 maintenance errors per week. Solution: Replaced the faulty stamp with XT7625-91 XT9625.I.1.1-2(2) Stamp 2(1/2). Repair Effect: Marking accuracy improved to 100%, maintenance errors reduced to 0 per week, maintenance time cut by 2 hours per day. Customer Feedback: “The new stamp is easy to use and accurate—our maintenance team is much more efficient now.”

Case 4: Volga-Ural Oilfield (Russia)

Equipment Model: KPT9625; Fault: Support ring failure (KHT7625-853); Load: 32 MPa; Data Before Repair: Support ring deformation of 1.2 mm, equipment vibration exceeding safety limits. Solution: Installed KHT7625-853 GB/T 15242.2 Support ring SD1800C-IIA. Repair Effect: Deformation eliminated, vibration reduced to 1.8 mm/s (well below safety limits), equipment service life extended by 2 years. Customer Feedback: “This support ring is built to last—even in our cold, harsh winters, it performs flawlessly.”

Maintenance & Engineer Tips: Keep Your Parts Working Longer

Our senior engineers have spent decades working in oilfield and industrial settings, and they’ve compiled these practical tips to help you maximize the service life of our parts and avoid common mistakes:

• Inspect roller shafts (KHT7625-92) and rollers (KHT7625-93) every 600 operating hours for wear—if you notice any scratches or uneven wear, replace them immediately. A worn roller can damage other components, leading to more costly repairs.

• When installing adapters (KNT7625-573, KNT7625-574), use a torque wrench set to the recommended torque (45 ft.lb for NPT1 adapters) to avoid over-tightening, which can strip threads, or under-tightening, which can cause leaks. Never use pliers to tighten adapters—this can damage the threads.

• Clean seals and O-rings (XT7625-582, XT7625-733) before installation to remove any dirt or debris, which can cause leaks. Store unused seals in a cool, dry place to prevent rubber aging—avoid storing them near heat sources or chemicals.

• Lubricate fasteners (KNT7625-511, KNT7625-512) with anti-seize lubricant before installation, especially in corrosive environments. This prevents rust and makes removal easier during future maintenance.

• Check oil tubes (KNT7625-620, KNT7625-568) every 400 operating hours for cracks or damage. If you notice any damage, replace the tube immediately—even a small crack can lead to major fluid loss and equipment damage.

FAQ: Answers to Your Most Pressing Questions

Procurement Guide & Conclusion

When it comes to procuring spare parts for your TQ340/35Y, KJD9625, XT9625, or KPT9625 equipment, choosing the right parts is critical to minimizing downtime and maximizing productivity. Our KNT7625, KHT7625, and XT7625 series parts are engineered to solve your most pressing pain points—ill-fitting components, frequent wear, and inconsistent performance—while complying with strict international standards and backed by 20 years of industry experience. With a wide range of parts covering rollers, adapters, seals, fasteners, and more, we have everything you need to keep your equipment running smoothly.

Our parts are manufactured using advanced production processes and high-grade materials, ensuring durability and performance in even the harshest working environments. We provide detailed technical specifications and compatibility guidance to help you make the right procurement decision, and our team of engineers is available to answer any technical questions you may have. All parts are traceable with unique serial numbers, and we offer a 12-month warranty against manufacturing defects—giving you peace of mind when you choose our products.

To keep your equipment operating at peak performance and avoid costly downtime, choose our KNT7625, KHT7625, and XT7625 series parts. Whether you need a single replacement part or a bulk order, we are committed to providing you with high-quality products that meet your needs. Contact us today to discuss your specific requirements and place your order—we are here to provide you with the reliable spare parts you can trust.

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whatsapp: +86 15275658619