Core Purpose & Applicable Equipment
All parts listed herein are exclusively engineered for the ZJ40 drilling rig, focusing on the guardrail system—a critical safety barrier for elevated working areas (e.g., platforms, stairs, and equipment edges). Target users include drilling engineering teams, rig maintenance technicians, and oilfield procurement departments. These parts form a complete, rigid, and easy-to-assemble safety system, solving the pain point of falls, loose connections, or structural failure in harsh onshore/offshore drilling environments (exposed to rain, mud, and continuous vibration), complying with API Spec 4F (Drilling and Production Hoisting Equipment) and GB 2894-2008 (Safety Signs and Labels) to ensure personnel safety during daily operations and maintenance.
1. Guardrail Assembly (Integrated Safety Barrier)
The guardrail assembly is a pre-assembled, integrated safety component designed for quick installation on ZJ40 drilling rigs. It solves the pain point of time-consuming on-site assembly and inconsistent structural stability, providing immediate, continuous fall protection for operators working at heights. Made of high-strength steel, it complies with API Spec 4F and GB 2894-2008 (safety height ≥1.1m), ensuring durability in harsh drilling scenarios.
No. | Product Model | Product Name | Material | Main Wear Reasons | Damage Prevention Notes |
1 | Z05010601268AA | Guardrail assembly for ZJ40 | High-strength structural steel (Q355B); integrated frame of rails and posts; seamless welding at joints; surface shot blasting + epoxy anti-rust coating; pre-assembled for on-site quick installation; height 1100mm (complying with GB 2894-2008); load-bearing capacity ≥500N/m, complying with API Spec 4F. | 1. Weld seam fatigue cracking caused by long-term rig vibration; 2. Corrosion from rain, drilling fluids, and outdoor moisture (especially at joint gaps); 3. Bending deformation from impact with drilling tools during transportation or maintenance. | 1. Secure the assembly with straps during transportation; use padding to protect rail surfaces from impact; 2. Inspect weld seams monthly with ultrasonic flaw detection to identify hidden cracks; 3. Clean joint gaps regularly to remove moisture/debris and touch up anti-rust coating if peeling occurs. |
2 | Z05010601268AA | Guardrail assembly | High-strength structural steel (Q355B); integrated frame of rails and posts; seamless welding at joints; surface shot blasting + epoxy anti-rust coating; pre-assembled for on-site quick installation; height 1100mm (complying with GB 2894-2008); load-bearing capacity ≥500N/m, complying with API Spec 4F. | 1. Weld seam fatigue cracking caused by long-term rig vibration; 2. Corrosion from rain, drilling fluids, and outdoor moisture (especially at joint gaps); 3. Bending deformation from impact with drilling tools during transportation or maintenance. | 1. Secure the assembly with straps during transportation; use padding to protect rail surfaces from impact; 2. Inspect weld seams monthly with ultrasonic flaw detection to identify hidden cracks; 3. Clean joint gaps regularly to remove moisture/debris and touch up anti-rust coating if peeling occurs. |
2. Segmented Guardrails (Modular Safety Components)
Segmented guardrails (numbered 1-12 and universal type) are modular components designed to complement the guardrail assembly or cover specific areas of the ZJ40 rig. They solve the pain point of difficult customization for irregular elevated areas, providing flexible, targeted fall protection. Each segment is compatible with other guardrail parts, complying with API Spec 4F and GB 2894-2008, ensuring consistent safety performance.
No. | Product Model | Product Name | Material | Main Wear Reasons | Damage Prevention Notes |
1 | Z05010600911AA | Guardrails 3 | High-strength structural steel (Q235B); seamless steel pipe rails; surface zinc-plated for anti-rust protection; modular design for easy connection; height 1100mm; compatible with all ZJ40 guardrail components, complying with API Spec 4F. | 1. Bending deformation from accidental impact with drilling tools or equipment; 2. Corrosion at connection points due to moisture accumulation; 3. Wear at rail surfaces from frequent contact with operators or tools. | 1. Avoid colliding with guardrails when moving heavy tools; use protective covers for high-traffic areas; 2. Apply anti-rust grease to connection points before installation; 3. Clean rail surfaces weekly to remove dirt and drilling fluid residues. |
2 | Z05010600909AA | Guardrails 1 | High-strength structural steel (Q235B); seamless steel pipe rails; surface zinc-plated for anti-rust protection; modular design for easy connection; height 1100mm; compatible with all ZJ40 guardrail components, complying with API Spec 4F. | 1. Bending deformation from accidental impact with drilling tools or equipment; 2. Corrosion at connection points due to moisture accumulation; 3. Wear at rail surfaces from frequent contact with operators or tools. | 1. Avoid colliding with guardrails when moving heavy tools; use protective covers for high-traffic areas; 2. Apply anti-rust grease to connection points before installation; 3. Clean rail surfaces weekly to remove dirt and drilling fluid residues. |
3 | Z05010600910AA | Guardrails 2 | High-strength structural steel (Q235B); seamless steel pipe rails; surface zinc-plated for anti-rust protection; modular design for easy connection; height 1100mm; compatible with all ZJ40 guardrail components, complying with API Spec 4F. | 1. Bending deformation from accidental impact with drilling tools or equipment; 2. Corrosion at connection points due to moisture accumulation; 3. Wear at rail surfaces from frequent contact with operators or tools. | 1. Avoid colliding with guardrails when moving heavy tools; use protective covers for high-traffic areas; 2. Apply anti-rust grease to connection points before installation; 3. Clean rail surfaces weekly to remove dirt and drilling fluid residues. |
4 | Z05010600912AA | Guardrails 4 | High-strength structural steel (Q235B); seamless steel pipe rails; surface zinc-plated for anti-rust protection; modular design for easy connection; height 1100mm; compatible with all ZJ40 guardrail components, complying with API Spec 4F. | 1. Bending deformation from accidental impact with drilling tools or equipment; 2. Corrosion at connection points due to moisture accumulation; 3. Wear at rail surfaces from frequent contact with operators or tools. | 1. Avoid colliding with guardrails when moving heavy tools; use protective covers for high-traffic areas; 2. Apply anti-rust grease to connection points before installation; 3. Clean rail surfaces weekly to remove dirt and drilling fluid residues. |
5 | Z05010600913AA | Guardrails 5 | High-strength structural steel (Q235B); seamless steel pipe rails; surface zinc-plated for anti-rust protection; modular design for easy connection; height 1100mm; compatible with all ZJ40 guardrail components, complying with API Spec 4F. | 1. Bending deformation from accidental impact with drilling tools or equipment; 2. Corrosion at connection points due to moisture accumulation; 3. Wear at rail surfaces from frequent contact with operators or tools. | 1. Avoid colliding with guardrails when moving heavy tools; use protective covers for high-traffic areas; 2. Apply anti-rust grease to connection points before installation; 3. Clean rail surfaces weekly to remove dirt and drilling fluid residues. |
6 | Z05010600914AA | Guardrails 6 | High-strength structural steel (Q235B); seamless steel pipe rails; surface zinc-plated for anti-rust protection; modular design for easy connection; height 1100mm; compatible with all ZJ40 guardrail components, complying with API Spec 4F. | 1. Bending deformation from accidental impact with drilling tools or equipment; 2. Corrosion at connection points due to moisture accumulation; 3. Wear at rail surfaces from frequent contact with operators or tools. | 1. Avoid colliding with guardrails when moving heavy tools; use protective covers for high-traffic areas; 2. Apply anti-rust grease to connection points before installation; 3. Clean rail surfaces weekly to remove dirt and drilling fluid residues. |
7 | Z05010600915AA | Guardrails 7 | High-strength structural steel (Q235B); seamless steel pipe rails; surface zinc-plated for anti-rust protection; modular design for easy connection; height 1100mm; compatible with all ZJ40 guardrail components, complying with API Spec 4F. | 1. Bending deformation from accidental impact with drilling tools or equipment; 2. Corrosion at connection points due to moisture accumulation; 3. Wear at rail surfaces from frequent contact with operators or tools. | 1. Avoid colliding with guardrails when moving heavy tools; use protective covers for high-traffic areas; 2. Apply anti-rust grease to connection points before installation; 3. Clean rail surfaces weekly to remove dirt and drilling fluid residues. |
8 | Z05010600916AA | Guardrails 8 | High-strength structural steel (Q235B); seamless steel pipe rails; surface zinc-plated for anti-rust protection; modular design for easy connection; height 1100mm; compatible with all ZJ40 guardrail components, complying with API Spec 4F. | 1. Bending deformation from accidental impact with drilling tools or equipment; 2. Corrosion at connection points due to moisture accumulation; 3. Wear at rail surfaces from frequent contact with operators or tools. | 1. Avoid colliding with guardrails when moving heavy tools; use protective covers for high-traffic areas; 2. Apply anti-rust grease to connection points before installation; 3. Clean rail surfaces weekly to remove dirt and drilling fluid residues. |
9 | Z05010600917AA | Guardrails 9 | High-strength structural steel (Q235B); seamless steel pipe rails; surface zinc-plated for anti-rust protection; modular design for easy connection; height 1100mm; compatible with all ZJ40 guardrail components, complying with API Spec 4F. | 1. Bending deformation from accidental impact with drilling tools or equipment; 2. Corrosion at connection points due to moisture accumulation; 3. Wear at rail surfaces from frequent contact with operators or tools. | 1. Avoid colliding with guardrails when moving heavy tools; use protective covers for high-traffic areas; 2. Apply anti-rust grease to connection points before installation; 3. Clean rail surfaces weekly to remove dirt and drilling fluid residues. |
10 | Z05010600918AA | Guardrails 10 | High-strength structural steel (Q235B); seamless steel pipe rails; surface zinc-plated for anti-rust protection; modular design for easy connection; height 1100mm; compatible with all ZJ40 guardrail components, complying with API Spec 4F. | 1. Bending deformation from accidental impact with drilling tools or equipment; 2. Corrosion at connection points due to moisture accumulation; 3. Wear at rail surfaces from frequent contact with operators or tools. | 1. Avoid colliding with guardrails when moving heavy tools; use protective covers for high-traffic areas; 2. Apply anti-rust grease to connection points before installation; 3. Clean rail surfaces weekly to remove dirt and drilling fluid residues. |
11 | Z05010601270AA | Guardrails 11 | High-strength structural steel (Q235B); seamless steel pipe rails; surface zinc-plated for anti-rust protection; modular design for easy connection; height 1100mm; compatible with all ZJ40 guardrail components, complying with API Spec 4F. | 1. Bending deformation from accidental impact with drilling tools or equipment; 2. Corrosion at connection points due to moisture accumulation; 3. Wear at rail surfaces from frequent contact with operators or tools. | 1. Avoid colliding with guardrails when moving heavy tools; use protective covers for high-traffic areas; 2. Apply anti-rust grease to connection points before installation; 3. Clean rail surfaces weekly to remove dirt and drilling fluid residues. |
12 | Z05010601271AA | Guardrails 12 | High-strength structural steel (Q235B); seamless steel pipe rails; surface zinc-plated for anti-rust protection; modular design for easy connection; height 1100mm; compatible with all ZJ40 guardrail components, complying with API Spec 4F. | 1. Bending deformation from accidental impact with drilling tools or equipment; 2. Corrosion at connection points due to moisture accumulation; 3. Wear at rail surfaces from frequent contact with operators or tools. | 1. Avoid colliding with guardrails when moving heavy tools; use protective covers for high-traffic areas; 2. Apply anti-rust grease to connection points before installation; 3. Clean rail surfaces weekly to remove dirt and drilling fluid residues. |
13 | Z05010601272AA | Guardrails | High-strength structural steel (Q235B); seamless steel pipe rails; surface zinc-plated for anti-rust protection; modular design for easy connection; height 1100mm; universal fit for ZJ40 rig irregular areas, complying with API Spec 4F. | 1. Bending deformation from accidental impact with drilling tools or equipment; 2. Corrosion at connection points due to moisture accumulation; 3. Wear at rail surfaces from frequent contact with operators or tools. | 1. Avoid colliding with guardrails when moving heavy tools; use protective covers for high-traffic areas; 2. Apply anti-rust grease to connection points before installation; 3. Clean rail surfaces weekly to remove dirt and drilling fluid residues. |
14 | Z05010601292AA | Guardrails | High-strength structural steel (Q235B); seamless steel pipe rails; surface zinc-plated for anti-rust protection; modular design for easy connection; height 1100mm; universal fit for ZJ40 rig irregular areas, complying with API Spec 4F. | 1. Bending deformation from accidental impact with drilling tools or equipment; 2. Corrosion at connection points due to moisture accumulation; 3. Wear at rail surfaces from frequent contact with operators or tools. | 1. Avoid colliding with guardrails when moving heavy tools; use protective covers for high-traffic areas; 2. Apply anti-rust grease to connection points before installation; 3. Clean rail surfaces weekly to remove dirt and drilling fluid residues. |
3. Guardrail Connection Hasps (Locking & Fastening Components)
Flat and straight hasps are critical locking components for ZJ40 guardrail systems, securing guardrail segments and assemblies tightly. They solve the pain point of loose connections due to rig vibration, ensuring the guardrail system remains rigid and stable. Made of high-strength alloy steel, they comply with API Spec 4F locking safety requirements, preventing accidental detachment and fall hazards.
No. | Product Model | Product Name | Material | Main Wear Reasons | Damage Prevention Notes |
1 | Z05052000011AA | Flat hasp, guardrails 50 | Alloy steel (35CrMoA); heat-treated for toughness and wear resistance; surface anti-rust coating; flat design (size matched to 50mm guardrail pipes); designed to lock guardrail segments together, with a high-tension locking mechanism, complying with API Spec 4F. | 1. Wear at the locking surface from frequent opening/closing; 2. Corrosion from outdoor moisture and drilling fluid splashes; 3. Fatigue cracking at the hinge point due to repeated stress. | 1. Avoid unnecessary opening/closing; inspect the locking surface quarterly for wear; 2. Apply anti-rust grease to the hinge and locking surface monthly; 3. Replace the hasp immediately if the hinge shows signs of cracking. |
2 | Z05052000012AA | Straight hasp, guardrails | Alloy steel (35CrMoA); heat-treated for toughness and wear resistance; surface anti-rust coating; straight design for end-to-end guardrail connections; compatible with all ZJ40 guardrail segments, complying with API Spec 4F. | 1. Wear at the locking surface from frequent opening/closing; 2. Corrosion from outdoor moisture and drilling fluid splashes; 3. Bending deformation from accidental impact during maintenance. | 1. Use a rubber mallet to operate the hasp; avoid using pliers or wrenches that may bend it; 2. Clean the hasp weekly to remove drilling fluid residues; 3. Apply anti-rust grease to the locking mechanism monthly to prevent seizing. |
4. Guardrail Auxiliary Accessories (Connection & Safety Components)
This category includes sockets, safety pins, and inserting pipes—auxiliary components that facilitate guardrail assembly, enhance connection stability, and prevent accidental loosening. They solve the pain point of difficult assembly and unstable connections, ensuring the ZJ40 guardrail system is easy to install and safe to use, complying with API Spec 4F and GB 2894-2008.
No. | Product Model | Product Name | Material | Main Wear Reasons | Damage Prevention Notes |
1 | Z05011100277AA | Socket, guardrails | High-strength structural steel (Q235B); seamless pipe design; surface anti-rust coating; internal thread for secure connection with guardrail posts; designed to align and fix guardrail segments, ensuring vertical stability, complying with API Spec 4F. | 1. Wear at the internal thread from frequent assembly/disassembly; 2. Corrosion from moisture accumulation inside the socket; 3. Deformation from improper installation (e.g., over-tightening). | 1. Use a torque wrench to tighten the socket (do not over-tighten); 2. Clean the internal thread monthly to remove debris and moisture; 3. Apply anti-rust grease to the thread before assembly to reduce wear. |
2 | P6900062AA | Safety pin 6X65X150 | Alloy steel (35CrMoA); heat-treated for toughness; surface anti-rust coating; size 6×65×150mm; spring-loaded locking design; inserted through guardrail connections to prevent accidental detachment, complying with API Spec 4F. | 1. Spring fatigue from frequent insertion/removal; 2. Corrosion from outdoor moisture and drilling fluids; 3. Wear at the pin surface due to friction with connection holes. | 1. Inspect the spring monthly for elasticity; replace the pin if the spring is weak; 2. Apply anti-rust grease to the pin surface before installation; 3. Store spare pins in a dry, clean container to prevent corrosion. |
3 | Z05011100278AA | Inserting pipe, guardrails | High-strength structural steel (Q235B); seamless steel pipe; surface anti-rust coating; tapered insertion end for tight fit; designed to connect guardrail segments, ensuring structural continuity and rigidity, complying with API Spec 4F. | 1. Wear at the tapered end from repeated insertion; 2. Corrosion at the connection gap between the inserting pipe and guardrail; 3. Bending deformation from impact during transportation. | 1. Apply anti-wear grease to the tapered end before insertion; 2. Clean the connection gap monthly to remove moisture and debris; 3. Secure the inserting pipe with straps during transportation to avoid impact. |
5. On-Site Fault Maintenance Case
Case: Guardrail Loosening & Connection Failure Due to Hasp Wear and Safety Pin Corrosion
Fault Phenomenon: During a routine safety inspection of a ZJ40 drilling rig, maintenance technicians found that Guardrails 5 (Z05010600913AA) and Guardrails 6 (Z05010600914AA) were loose, with visible gaps between segments. Further inspection revealed worn flat hasps (Z05052000011AA) and corroded safety pins (P6900062AA), which failed to lock the guardrails securely.
Fault Cause: Long-term rig vibration caused repeated friction between the flat hasps’ locking surfaces, leading to wear; lack of regular anti-rust maintenance resulted in corrosion of the safety pins, weakening their locking capability; the inserting pipes (Z05010600914AA) were not properly greased, increasing friction and accelerating wear—violating API Spec 4F locking and connection safety requirements.
Solution: Stop using the affected guardrail segments temporarily; replace the worn flat hasps and corroded safety pins with new ones; clean the inserting pipes and guardrail connection holes, apply anti-wear and anti-rust grease, and reinsert the pipes to ensure a tight fit; tighten all sockets (Z05011100277AA) with a torque wrench to the specified torque. After maintenance, the guardrails were rigid and secure, with no gaps, and the system complied with API Spec 4F and GB 2894-2008 standards.
6. FAQ (Frequently Asked Questions)
No. | Question | Answer |
1 | Are all numbered guardrails (1-12) and the universal Guardrails (Z05010601272AA, Z05010601292AA) compatible with each other and the guardrail assembly (Z05010601268AA)? | Yes, all segmented guardrails (1-12) and the universal Guardrails are fully compatible with each other and the guardrail assembly. They are all designed to the same ZJ40 rig specifications, with matching connection points, sockets, and inserting pipes. This modular design allows flexible combination to cover any elevated area of the rig, ensuring consistent structural stability and compliance with API Spec 4F. |
2 | What is the difference between the flat hasp (Z05052000011AA) and straight hasp (Z05052000012AA)? Can they be used interchangeably? | They cannot be used interchangeably. The flat hasp (Z05052000011AA) is designed for lateral connections between parallel guardrail segments (e.g., between Guardrails 5 and 6), with a flat profile to avoid interference. The straight hasp is for end-to-end connections (e.g., extending a guardrail segment), with a straight design to align segments horizontally. Using the wrong hasp will cause loose connections and safety hazards. |
3 | How often should I inspect and maintain the ZJ40 guardrail system to prevent faults like loosening or corrosion? | We recommend a maintenance schedule aligned with API Spec 4F: weekly visual inspections (check for loose segments, corrosion, and visible wear); monthly detailed inspections (tighten sockets/hasps, clean connection points, apply anti-rust grease); quarterly replacement of worn hasps/safety pins (if needed). For rigs in wet/muddy or coastal environments, shorten the inspection cycle by 30% to prevent accelerated corrosion. |
7. Procurement Guide & Call to Action
All parts listed in this document are manufactured in strict compliance with API Spec 4F and GB 2894-2008 authoritative safety standards, using high-quality materials, precision machining, and professional anti-rust treatment to ensure full compatibility with ZJ40 drilling rigs. Each part retains its original product model, with detailed material descriptions, wear reasons, and maintenance guidelines—providing a reliable procurement reference and practical technical support to solve on-site faults and ensure personnel safety.
The guardrail system is a lifeline for ZJ40 drilling rig operators working at heights, and its reliability directly affects operational safety. Choosing our products means prioritizing safety, reducing equipment downtime, and extending the service life of your rig’s safety system—avoiding the risks of using inferior, mismatched parts (e.g., loose connections, falls, structural failure).
Whether you need to purchase replacement parts for routine maintenance, emergency fault repair, or safety upgrades, our product portfolio fully meets your needs. We provide professional pre-sales consultation to help you confirm the correct product models and post-sales technical support to assist with installation, maintenance, and fault-solving. Contact us today to secure high-quality, reliable parts for your ZJ40 drilling rig, ensuring the smooth progress of your drilling projects and the safety of your team.
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