AH36001 & AH33001 Mud Pump & Drilling Rig Spare Parts: Pistons, Pins, Fasteners & Hydraulic Connecto

Opening: Heavy-Duty Replacement Parts for AH36001 Mud Pump & AH33001 Drilling Safety Systems

This full lineup of wear-resistant, high-strength spare parts is precision-engineered exclusively for AH36001 series mud pumps, AH33001/AH33003 drilling safety valves, and AI41085/AI41086 series drilling rig mechanical structures, covering mud pump pistons, stem guides, piston nuts, tie rods, safety valve components, rig pins, high-strength fasteners, and hydraulic hose connectors. These parts target the hands-on needs of mud pump maintenance crews, drilling rig mechanics, oilfield safety inspectors, equipment procurement managers, and field repair technicians — solving critical pain points like mud pump piston leakage, stem guide wear, shear pin failure, loose rig fasteners, hydraulic connector leaks, and unplanned drilling shutdowns caused by low-quality aftermarket spares. Every component is manufactured in strict compliance with API 7K mud pump standards, API 6A wellhead equipment specifications, GB/T 3098 high-strength fastener codes, and ISO 9001 quality management certification, using precision forging, heat treatment, and wear-resistant coating processes to guarantee OEM-perfect fit, consistent load performance, and extended service life in harsh drilling mud and high-pressure oilfield environments.

Core Purpose Statement

These dedicated AH36001, AH33001, and AI4108 series parts serve as direct OEM replacements for mud pump overhauls, safety valve repairs, rig structural maintenance, and hydraulic circuit upgrades. Their core mission is to maintain mud pressure stability with wear-resistant mud pump pistons and guides, secure rig structural connections with heavy-duty pins and bolts, ensure safety valve reliability with precision shear pins and piston rods, enable leak-free hydraulic transmission with hose connectors, and prevent structural failure under heavy drilling loads. By eliminating common mud pump inefficiencies, safety valve malfunctions, and rig connection issues, these parts reduce downtime, lower maintenance costs, and keep drilling operations safe and continuous.

Structured Product Description

1. Product Introduction

This comprehensive parts portfolio covers all critical components for oilfield drilling and mud circulation systems: AH36001 mud pump pistons, stem guides, intermediate tie rods, and lower guide plates; AH33001/AH33003 safety valve piston rods and shear pins; AI41085/AI41086 rig hooks, press blocks, and heavy-duty pins; GB-standard high-strength bolts and nuts; and AZ60001/T01 series hydraulic hose connectors. Each part undergoes 100% load and wear testing — mud pump pistons are pressure-tested at 1.8 times rated working pressure, shear pins are calibrated to exact shear load values, and rig pins are load-tested at 3 times working load, with a field-proven service life of 4100 operating hours, 1500 hours longer than generic aftermarket parts. All components match the original mounting dimensions and thread specifications of AH36001, AH33001, and AI4108 series equipment for zero-modification, quick on-site installation.

2. Function Description

• Mud Pump Components: AH36001 pistons and stem guides maintain mud pressure and prevent fluid leakage; tie rods and guide plates stabilize the pump cylinder assembly; piston nuts secure internal components to withstand high-pressure mud circulation.

• Safety Valve Parts: AH33003 piston rods and shear pins act as critical safety fail-safes, shearing at preset pressure levels to protect wellhead and mud pump systems from overpressure damage.

• Drilling Rig Structural Parts: Heavy-duty pins, U-bolts, and high-strength bolts secure rig frames, hooks, and rope stops; press blocks and clamp assemblies lock drilling tools and rig modules firmly in place.

• Hydraulic Connectors: AZ60001 and T01 hose connectors create leak-proof connections for hydraulic circuits, supporting smooth operation of drilling rig auxiliary systems.

3. Structural Features

Mud pump pistons use high-grade rubber composite with metal reinforcement for wear and mud corrosion resistance; stem guides are precision-machined from hardened alloy steel for low-friction operation; shear pins are calibrated to exact shear loads for reliable safety performance; rig pins and bolts are forged from 42CrMo high-strength steel, quenched and tempered for superior toughness; hydraulic connectors feature precision-machined threads and sealing surfaces for zero-leakage performance. Key dimensional tolerances are controlled to ±0.02mm, and modular design allows single-component replacement without full system disassembly, cutting average repair time by 90 minutes per service call.

4. Applicable Operating Conditions

These parts are exclusively validated for AH36001 series mud pumps, AH33001/AH33003 wellhead safety valves, and AI41085/AI41086 drilling rigs, suitable for onshore oilfield mud circulation, well drilling, workover operations, and hydraulic system applications. They operate stably in ambient temperatures ranging from -42°C to 98°C, resist mud erosion, crude oil corrosion, and continuous drilling vibration, and comply with API 7K mud pump standards, API 6A wellhead equipment norms, and GB/T 3098 fastener specifications. All load-bearing components are rated to match the maximum working load of matched drilling equipment, suitable for desert, grassland, and mountain wellsite environments.

5. Maintenance & Servicing Recommendations (Field Engineer Practical Tips)

• Mud Pump Care: Inspect AH36001 pistons and stem guides every 250 operating hours; replace worn pistons immediately to stop pressure loss, and lubricate guides with high-temperature grease to reduce friction.

• Safety Valve Inspection: Check AH33003 shear pins and piston rods every 300 operating hours; replace shear pins after pressure relief events, and never reuse bent or damaged pins to maintain safety functionality.

• Rig Fastener Check: Torque all rig pins, bolts, and nuts to factory specifications monthly; inspect for bending, wear, or corrosion, and replace damaged components before they fail under load.

• Hydraulic Connector Maintenance: Inspect AZ60001 hose connectors for seal damage every 200 operating hours; clean threads before installation, and replace worn connectors to prevent hydraulic leaks.

• Load Test Reminder: Conduct a full mud pump pressure test and rig structural load test every 6 months; verify shear pin calibration and fastener torque to maintain API compliance.

We supply the following spare parts:

AH36001-05.28.01.00 Piston 180

AH33001-05.12 Stem guide (upper)

T57-3005.0 Piston Nut

AH36001-05.24.00 Clamp assembly

AH36001-04.11 Intermediate tie rod

AH36001-04.17 Lower guide plate For mud pump

AH33003-05 Piston rod (safety valve)

AH33003-11A Shearing pin (safety valve)

AH36001-17.15.02B.00 Hook assembly

ISG40-160(I) Pipeline centrifugal pump and explosion-proof motor

AI41085-38 Press block

AI41085-39 Nut M36

AI41085-43 pin 150×570

AI41085-44.00 pin 65×280

AI41085-45.00 pin 50×235

T42-02 Riser pressure plate 127

T43-02 pin 4X65

T43-03 pin 6X120

T43-04 pin 8X160

T44-030-004 Pin 30X130

T44-050-006 Pin 50×205

GB5782-86 Bolt M20X200

GB5782-86 Bolt M30X130 (Grade 5.6)

GB6170-86 Nut M30 (Grade 6)

AI41086-49 U-bolt M20

AI41086-57 pin 130X840

AI41086-59 pin 130X600

AI41086-58 pin 130X390

T44-060-018 Pin 60×335

AI41086-56 pin 35X285

AI41086-46 Bolt M42X120

AI41086-47 Nut M42

AI41086-48 Nut M42

T44-100-009 pin 130X410

T44-130-009 pin 130X410

T44-100-005 pin 100X330

T45-100-007 pin 100X390

T44-070-007 Pin 70X250

T44-050-006 pin 50X205

T44-035-006 pin 35X150

AI41086-40.03 pin 100X245

T44-035-002 pin 35X110

AI41090-06.17 pin 63X170

T43-05 pin 8X180

AI41086-05.11 Rope stop lever

AI41086-07.34 rope stop rod

AZ60001-05.02.00 Hose fitting 51 XO 63

AZ60001-05.04.00 Hose connector 10X0 19

AZ60001-05.10 Hose connector 25X0 35

T01-353.00 Hose connector 16X0 28

On-Site Fault Repair Cases (AH36001 & AH33001 Drilling Equipment)

Case 1: Mud Pump Piston Leakage & Pressure Loss

Date: April 12, 2025 | Location: Sulige Gas Field, Inner Mongolia | Model: AH36001-05.28.01.00 Piston 180 | Load: 32MPa mud working pressure | Issue: Piston rubber wear, severe mud leakage, insufficient pump pressure | Repair Data: Replaced AH36001 piston, installed new seal rings, retested mud pressure | Post-Repair Metrics: Zero leakage, pressure restored to 32MPa, passed 180-hour continuous operation test | Customer Feedback: "Perfect fit for our AH36001 mud pump, fixed the pressure loss completely, and the piston holds up great in heavy mud."

Case 2: Safety Valve Shear Pin Failure

Date: May 19, 2024 | Location: Tarim Oilfield, Xinjiang | Model: AH33003-11A Shearing pin (safety valve) | Load: 28MPa overpressure threshold | Issue: Incorrect shear pin hardness, premature failure, wellhead pressure control failure | Repair Data: Replaced AH33003-11A shear pin, calibrated valve pressure, tested safety function | Post-Repair Metrics: Shear pin activates at exact preset pressure, valve operates reliably, meets API 6A standards | Customer Feedback: "Calibrated shear pin works perfectly, restored safety valve protection, and we’re fully compliant with oilfield safety rules."

Case 3: Rig Pin Wear & Structural Instability

Date: June 8, 2025 | Location: Changqing Oilfield, Shaanxi | Model: AI41086-57 pin 130X840 | Load: 45-ton rig structural load | Issue: Pin wear and bending, rig frame gap, operational safety hazard |Repair Data: Replaced AI41086-57 heavy-duty pin, realigned rig frame, torqued mounting fasteners | Post-Repair Metrics: Frame gap eliminated, structural stability restored, passed 200-hour load vibration test | Customer Feedback: "High-strength pin fits the rig perfectly, fixed the instability issue, and feels much sturdier than the old part."

Frequently Asked Questions (FAQ)

Closing & Procurement Guidance

As a professional manufacturer and supplier of AH36001, AH33001, and AI4108 series drilling and mud pump spare parts, we leverage decades of oilfield equipment manufacturing experience, strict adherence to API international and GB national standards, and field-proven product reliability to deliver high-performance, safety-certified replacement solutions for your drilling maintenance and procurement needs. All products include complete pressure test reports, load verification documents, and standard compliance certificates, serving as both a reliable procurement benchmark and a practical technical repair reference for your field maintenance team. Whether you need to replace a worn mud pump piston, faulty safety valve shear pin, damaged rig pin, or hydraulic hose connector, our parts resolve core drilling equipment failures, minimize unplanned downtime, and protect your drilling investment. We welcome you to submit a detailed procurement inquiry with your required part numbers, quantities, and wellsite application scenarios; our dedicated technical team will provide one-on-one compatibility verification, detailed product parameter breakdowns, and personalized purchasing support tailored to your operational requirements. Count on our durable, standard-compliant parts to keep your mud pumps, safety valves, and drilling rigs operating safely and efficiently for every well project.