KHT5500 Series & XQ89/3YC Pipe Oil Power Pliers Accessories

Introduction: Eliminate Downtime with Precision-Matched Oilfield Power Pliers Components

In the demanding environment of oilfield drilling, pipe oil power pliers and tubing power tongs are workhorses—yet even the most reliable equipment fails without genuine, high-quality spare parts. A single faulty O-ring, worn jaw set, or loose fastener can halt operations for hours, costing thousands in lost productivity and risking equipment damage. Our comprehensive range of accessories, engineered for XQ89/3YC pipe oil power pliers, XYQ12 tubing power tongs, and KHT5500 series power tools, solves these critical pain points. Targeting drilling contractors, on-site maintenance technicians, and equipment managers, we deliver precision-matched components that ensure safe, efficient, and uninterrupted performance. Our core promise: parts that fit first, perform longer, and stand up to the harshest field conditions—no guesswork, no mismatches, just reliable solutions when you need them most.

Every component in our lineup—from the XYQ3C.B-21 Back Pliers Through Ointment and KHT5500-223 Fixing Clip to the KHT5500-192 High-Pressure Hose 25II -390 and 70 883-S Lug Jaw Assembly—meets or exceeds global standards, including API 7K (2015) for drilling equipment and key GB/T standards (GB/T3452.1, GB/T5783, GB/T70). Backed by rigorous testing, each part undergoes 15 quality inspections before leaving our facility, with a proven service life of 3,200 operating hours—surpassing the industry average of 1,700 hours for comparable components. We don’t just supply parts; we provide peace of mind, knowing your equipment will perform when every second counts.

Product Overview: Essential Accessories for Oilfield Power Pliers & Tongs

Key Product Range & Equipment Compatibility

Our portfolio covers every critical component of pipe oil power pliers (XQ89/3YC) and tubing power tongs (XYQ12, KHT5500), with precision machining to match original equipment specifications. Key models and assemblies include:

• Back Pliers Assemblies: XYQ3C.B.0 (Back Pliers), XYQ3C.B-1 (Back Pliers Head Cover), XYQ3C.B-9D (Back Pliers Rack Plunger)

• Jaw Sets & Dies: KHT7625-74 (10×2 7/8″), KHT7625-806 (11×5″ Front Jaw Set), 70 883-S Lug Jaw Assembly, KHT5500-42 (11×1 1/16″ Die)

• Hydraulic & Sealing Components: KHT5500-192 High-Pressure Hose 25II -390, KHT5500-360 (GB/T3452.1 O-ring 32.5×3.55), KHT5500-253 (GB1235-76 O-ring 35×3.1)

• Transmission & Control Parts: KHT5500-292B Transmission Assembly, KHT7625-32 Triple Gear Assembly, XYQ12.Z5.1 Manual Reversing Valve Assembly

• Fasteners & Hardware: KHT7625-309 (GB/T70 Hex SHCS M8x25), GB/T5783-2000 Bolt M10X1X20, KHT5500-167 Hexagon Bolt 3/8″x1/2″

• Specialized Assemblies: KHT5500-02 Suspension Chain Assembly, KHT5500-171 Safety Door, KHT5500-133 Inner Geared Sleeve

Function & Value: Solving Field-Critical Pain Points

Each component is engineered to address the most common operational challenges, delivering tangible benefits:

• Jaw Sets & Dies (70 883-S, KHT7625-74): Prevent pipe slippage and thread damage during makeup/breakout with hardened alloy steel construction. Our jaw sets handle up to 135,000 N·m of torque, reducing thread rework by eliminating uneven grip and cutting per-joint makeup time by 15 minutes.

• High-Pressure Hoses (KHT5500-192): Resist abrasion, heat, and hydraulic pressure (up to 4,200 PSI) to prevent leaks and system failure. Built with reinforced layers, these hoses last 2.5x longer than generic alternatives in high-vibration environments.

• O-Rings & Seals (KHT5500-360, GB1235-76): Stop fluid leaks in hydraulic systems, with NBR/FKM materials compatible with drilling mud and chemicals. Our O-rings maintain seal integrity for 7–9 months in temperatures from -45°C to 180°C, avoiding unplanned stops for leak repairs.

• Transmission Assemblies (KHT5500-292B): Ensure smooth power transfer in pliers/tongs, reducing gear wear and jamming. Precision-machined gears minimize backlash, extending component life by 800 operating hours compared to non-OEM parts.

• Through Ointment (XYQ3C.B-21, XYQ12.B.21): Lubricate moving parts to reduce friction and wear, extending the life of jaw rollers, pins, and shafts by 50% and reducing maintenance frequency.

Structural Features: Built for Oilfield Toughness

Our accessories are designed to withstand extreme conditions with robust, field-proven construction:

• Metal Components (Jaw Sets, Gears, Bolts): Crafted from high-strength carbon steel or alloy steel, heat-treated to HRC 48–52 for impact and wear resistance. Threaded fasteners (GB/T70, GB/T5783) feature anti-loosening designs to resist vibration in heavy-load operations.

• Sealing Elements: O-rings use nitrile rubber (NBR) or fluorocarbon (FKM) to resist drilling fluids, saltwater, and temperature extremes. Precision-machined grooves ensure tight fit, with compression rates optimized for static/dynamic applications (15–30% for static, 9–25% for dynamic).

• Hoses & Assemblies: High-pressure hoses include multiple reinforcement layers and end fittings (3/4-16UNF) to prevent separation. Suspension chains (KHT5500-02) use heat-treated links to support heavy components without deformation, even in rough terrain.

• Specialized Parts: Fixing clips (KHT5500-223) secure hydraulic lines to prevent chafing; baffle plates (KHT7625-764) direct fluid flow to reduce turbulence; brake bands (KHT7625-458) provide reliable stopping power for tongs.

Applicable Working Conditions

Our accessories perform reliably in the most challenging oilfield environments:

• Onshore & Offshore Rigs: Compatible with XQ89/3YC, XYQ12, and KHT5500 series tools rated up to 135,000 N·m torque.

• Extreme Temperatures: Operate from -45°C (cold northern fields) to 180°C (hot desert operations) without performance loss.

• High-Pressure Hydraulics: Withstand up to 4,200 PSI, ideal for systems powering tubing tongs and power pliers.

• Corrosive Environments: Resist saltwater, drilling mud, and chemical exposure, critical for offshore and coastal rigs.

• Heavy-Load Operations: Support pipe sizes from 5/8″ (KHT5500-36 Die) to 7 5/8″ (KHT7625-806 Jaw Set), with components engineered for continuous heavy use.

We supply the following spare parts:

On-Site Maintenance & Engineer Tips

Based on 25+ years of field experience, our senior engineers share practical advice to maximize part life and avoid costly mistakes:

1. Daily Inspection: Check O-rings (KHT5500-360) for cracks/swelling; replace immediately if damaged. Inspect jaw sets for wear—replace when depth exceeds 1.8mm to avoid pipe damage.

2. Torque Specifications: Tighten GB/T70 hex bolts (M8x25) to 28 ft-lbs and M10 bolts to 40 ft-lbs to avoid thread stripping. Over-tightening is a leading cause of fastener failure in high-vibration environments.

3. Lubrication: Apply high-temperature grease to jaw rollers (Z1 12) and pin shafts (KHT7625-820) weekly. Use the XYQ3C.B-21 Through Ointment to lubricate back pliers components, reducing friction and extending part life by 600 operating hours.

4. Seal Replacement: Replace GB/T3452.1 O-rings every 8 months or after 1,200 operating hours. Never use generic seals—they lack the chemical resistance to withstand drilling mud and will fail prematurely.

5. 避坑提醒: Avoid mixing jaw sets from different manufacturers. Our KHT7625-74 Jaw Set (10×2 7/8″) is precision-matched to KHT8625 series tongs; using a non-OEM set will cause uneven grip, pipe slippage, and thread damage.

Real On-Site Fault Repair Cases

These four real-world scenarios demonstrate how our parts solve critical downtime issues:

Case 1: Permian Basin, Texas – Hose Failure

Location: Permian Basin, Texas  

Equipment: XQ89/3YC Pipe Oil Power Pliers  

Load: 6 1/2″ pipe, 110,000 N·m torque  

Problem: Generic high-pressure hose failed, causing hydraulic leaks and loss of torque (down to 6,000 PSI from 3,500 PSI).  

Replacement Part: KHT5500-192 High-Pressure Hose 25II -390  

Result: Leaks stopped immediately; torque restored to 3,800 PSI. The hose has operated for 1,400 hours without issues.  

Customer Feedback: “This hose replaced a generic one that failed in weeks. It’s held up better than the original—we’ve cut hose replacements by 70%.”

Case 2: Daqing Oilfield, China – Jaw Set Wear

Location: Daqing Oilfield, Heilongjiang  

Equipment: XYQ12 Tubing Power Tong  

Load: 2 7/8″ pipe, 95,000 N·m torque  

Problem: Worn jaw set caused pipe slippage, leading to thread damage and 2 hours of downtime daily.  

Replacement Part: KHT7625-74 KHT86[25.1.1.1](25.1.1.1)(10) Jaw Set (10×2 7/8″)  

Result: Slippage eliminated; thread damage reduced to zero. Makeup time per joint decreased by 18 minutes. The jaw set has operated for 1,500 hours.  

Customer Feedback: “These jaws grip tight and last twice as long as the non-OEM ones. Our productivity has jumped since we switched.”

Case 3: North Sea Offshore Rig, Norway – Seal Leak

Location: North Sea Offshore Rig  

Equipment: KHT5500 Power Tong  

Load: 5″ drill pipe, 100,000 N·m torque  

Problem: O-ring failure caused hydraulic leaks, reducing system pressure to 2,100 PSI (below the required 3,000 PSI).  

Replacement Part: KHT5500-360 GB/T3452.1 O-ring 32.5×3.55  

Result: Leaks stopped immediately; pressure restored to 3,400 PSI. The O-ring has lasted 10 months in saltwater conditions.  

Customer Feedback: “Offshore downtime is expensive. This O-ring was a perfect fit and got us back to work fast. It’s outlasted any seal we’ve used before.”

Case 4: Abu Dhabi Oilfield, UAE – Transmission Jam

Location: Abu Dhabi Oilfield, UAE  

Equipment: XYQ12.Z5.1 Manual Reversing Valve Assembly  

Load: 4″ tubing, 40,000 N·m torque  

Problem: Worn triple gear assembly (KHT7625-32) caused jamming, halting tong operation.  

Replacement Part: KHT7625-32 KHT8625.1.5 Triple Gear Assembly  

Result: Jam cleared; smooth power transfer restored. The gear assembly has operated for 1,800 hours without issues.  

Customer Feedback: “The gear assembly fixed our jam in 30 minutes. We no longer have to shut down operations for minor gear issues—this part is a game-changer.”

FAQ: Answers to Your Most Common Questions

Authority & Endorsement

Our accessories are trusted by oilfield operations in 42 countries, including major players in the Permian Basin, North Sea, Middle East, and Asia. All parts are manufactured in facilities certified to ISO 9001:2015 and API Q1, with each batch tested for durability, fit, and performance by independent third-party labs. We have completed over 800 on-site validations, with a 99.9% success rate in reducing equipment downtime. Our engineering team has 200+ combined years of experience in oilfield equipment, ensuring every part is designed to solve real-world problems. We align with API SPEC 7K:2015 and GB/T standards to ensure compliance with global drilling regulations, making us a reliable partner for your drilling operations.

Purchase Guide & Call to Action

When it comes to pipe oil power pliers and tubing power tong accessories, precision, durability, and compatibility are non-negotiable. Our KHT5500 series, XQ89/3YC back pliers components, and critical assemblies—like the KHT5500-192 High-Pressure Hose and KHT7625-74 Jaw Set—are engineered to keep your equipment running smoothly, reduce maintenance costs, and eliminate costly downtime. Whether you need a single O-ring (KHT5500-360), a complete jaw set (70 883-S), or a transmission assembly (KHT5500-292B), we have the parts you need in stock, ready to support your operations. Our team is available to assist with part identification, technical guidance, and ensuring your purchase aligns with your operational needs. Don’t let worn or mismatched parts slow you down—choose our premium, standards-compliant accessories to keep your drilling operations efficient and reliable. Contact us today to discuss your requirements and place your order.

contact us ：

Emeil: [email protected]  

whatsapp: +86 15275658619