Product Description

 

Product Description

API Pin Box Tool Joint Couplings for Water Well Drill Pipe

 

 

1:Tool Joint: NC26, NC31, NC38, NC40, NC46, NC50

2:Type of Tool joint: NC, IF, FH, XH, REG

3:Material: 40CrMo, 35CrMo, 4137H

Tool joints are short sections of pipe that are attached to the tubing portion of drill pipe by means of using a flash welding process. The internally threaded tool joint is called a “box”, while the externally threaded tool joint if the “pin”

All thread are machined by precision CNC lathe and shaping tools, It can not only guarantee the tightness of the drill pipe joint thread, but also guarantee the precision and interchangeability of the drill pipe joint. 
we also can produce drill pipe joints according to customer request.

 

Packaging & Shipping

Packing

1. Drill pipe joint packed in carton or wooden box.

2. Customized packing is accepted.

 

Delivery detail: 15days

 

 

Our Advantages

Before order to be confirmed ,the raw material of pipe body and tool joint should be booked from famous big steel enterprises in China.
Raw material’s size ,quantity,length,mechanical property are checked by our QC staff and factory own laboratory
Before delivery clients could send 1 QC or point the third party to check the quality such SGS,BV or others. 

After Sales Service

 

1. We accept small order, MOQ 1pc.

2. Customized order is accept.

3. Fast and best service, professional guidance.

FAQ

Q: Are you trading company or manufacturer ?

A: We are a professional manufacturer.

Q: How long is your delivery time?

A: Generally it is 10~20 days if the goods are in stock. or it is 20~30 days if the goods are not in stock, it is according to quantity.

Q: Where is your factory located in?

A: Our factory is located in Lu Jiazhuang Industry Zone, JIN ZHOU city, ZheJiang province, China.

Q: What methods of payment are accepted?

A: We agree T/T, L/C,One touch.

Q: What about the shipment?

A: Our usual loading port is Xihu (West Lake) Dis.g port in ZheJiang ,main port in north of China. The goods will be packed into bundle as 3*3,4*4 etc,black painting and thread protectors.

Q: do you agree sample order?

A: Yes, we are welcome your sample order to testing our quality.

Q: Does your drill pipe have rust prevention?

A: Yes, every drill pipe will be with the rust prevention by paint or anti-corrosive oil before shipping and its thread surface will be nitrided.

Q: do you have after-sale service and warranty service?

A: Any quality or quantity problem once confirmed, we will be compensate you the same. Any question or problem we will be reply you within 24 hours.

Q: How about your minimum order quantity?

A: At least 10 pieces.Small orders also can accept.
 

Company Profile

 HangZhou WeiLiDa Prospecting Machinery Co., Ltd. is a professional manufacturer of drill pipe, drilling rig and other drilling tools. Our factory is located in HangZhou, HangZhou . 200 km from the capital ZheJiang . We have good export conditions to ZheJiang port and HangZhou port. Our factory covers an area of 20000 square meters. Its total assets is 50 million yuan.

– Stable raw material purchasing

– Favorable orders follow-up management

– Laudable lead-time & shipment control

– Traceable quality evaluation

– Flexible payment terms

– Remarkable after-sale service

 

 

Standard: RoHS, BS, DIN, JIS, AISI, API
Length: 20cm
Usage: Oil Mining, Coal Mining, Well Drilling, Ore Mining
Material: Carbon Steel
Product Technology: Friction Welding, Nitrading, Tempering Treatment
Product Name: API Pin Box Tool Joint Couplings for Water Well Dr
Samples:
US$ 17/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

China supplier API Pin Box Tool Joint Couplings for Water Well Drill Pipe

pin coupling

Are There Any Safety Considerations When Using Pin Couplings in Rotating Machinery?

Yes, there are several safety considerations to keep in mind when using pin couplings in rotating machinery. These considerations are essential to ensure the safe and efficient operation of the equipment and to protect personnel working in the vicinity. Here are some key safety points to consider:

  • Guarding: When installing pin couplings, it is crucial to provide adequate guarding around the coupling area. This helps prevent accidental contact with the rotating coupling components, such as pins and hubs, which could cause severe injuries.
  • Maintenance and Inspection: Regular maintenance and inspection of the pin coupling are vital to identify any signs of wear, misalignment, or damage. Any worn or damaged components should be replaced immediately to prevent coupling failure, which could lead to sudden equipment shutdown or safety hazards.
  • Proper Alignment: Ensuring precise alignment of the connected shafts is crucial to the safe operation of the pin coupling. Misalignment can lead to increased stresses and premature wear on the coupling components, resulting in potential failures.
  • Torque and Speed Limits: Adhering to the manufacturer’s recommended torque and speed limits for the pin coupling is essential for its safe operation. Exceeding these limits can lead to overloading and failure of the coupling.
  • Environmental Considerations: Take into account the operating environment when selecting a pin coupling. Extreme temperatures, corrosive atmospheres, or harsh conditions may require special materials or coatings to ensure the coupling’s integrity and prevent premature failure.
  • Training and Awareness: Operators and maintenance personnel should receive proper training on the safe handling, installation, and maintenance of pin couplings. Awareness of potential hazards and safety protocols is crucial for the safe use of rotating machinery.
  • Emergency Shutdown: Install emergency shutdown systems that can quickly stop the rotating machinery in case of any safety concerns or abnormal conditions.
  • Compliance with Regulations: Ensure that the use of pin couplings complies with all relevant safety and industry regulations and standards.

By taking these safety considerations into account and implementing proper safety measures, the use of pin couplings in rotating machinery can be done safely and effectively, mitigating potential risks and ensuring a safe working environment for personnel.

pin coupling

How Does a Pin Coupling Handle Angular, Parallel, and Axial Misalignment?

A pin coupling is designed to handle different types of misalignment, including angular, parallel, and axial misalignment. The unique construction of pin couplings allows them to accommodate these misalignments without compromising the efficiency and performance of the connected equipment.

1. Angular Misalignment: Angular misalignment occurs when the axes of the driving and driven shafts are not parallel but intersect at an angle. Pin couplings can tolerate angular misalignment because of their flexible and floating pin design. The two coupling halves are connected by a series of pins, which can pivot and move within the pin holes. This flexibility allows the coupling to bend slightly, adjusting to the angle of misalignment between the shafts.

2. Parallel Misalignment: Parallel misalignment happens when the axes of the driving and driven shafts are parallel, but they are laterally displaced from each other. Pin couplings can handle parallel misalignment to some extent due to the floating nature of the pins. The pins can move laterally within the pin holes, allowing the coupling to adapt to the offset between the shafts.

3. Axial Misalignment: Axial misalignment occurs when there is a linear displacement along the axis of one shaft concerning the other. While pin couplings primarily focus on handling angular and parallel misalignment, they may offer limited axial misalignment capabilities. The floating pins provide a small degree of axial movement, but excessive axial misalignment is best avoided to prevent additional stresses on the coupling.

It is important to note that while pin couplings can accommodate some degree of misalignment, excessive misalignment should be avoided to prevent premature wear and potential failure of the coupling and connected equipment. Regular inspection and maintenance can help identify and address any misalignment issues, ensuring the optimal performance and longevity of the pin coupling in power transmission applications.

pin coupling

Advantages of Using Pin Couplings in Mechanical Systems

Pin couplings, also known as shear pin couplings, offer several advantages when used in mechanical systems. These advantages make them a popular choice for various industrial applications:

  • 1. Overload Protection: Pin couplings are designed to provide overload protection to connected equipment. In case of excessive torque or sudden shock loads, the sacrificial pins will shear off, preventing damage to the shafts and other components.
  • 2. Misalignment Tolerance: Pin couplings can accommodate a limited amount of angular misalignment between the shafts. This helps to compensate for minor misalignments and reduces the stress on the connected equipment.
  • 3. Cost-Effective: The shear pins used in pin couplings are relatively inexpensive compared to other coupling components. In the event of a failure, replacing the damaged pins is a cost-effective solution, avoiding more significant repairs to the main equipment.
  • 4. Easy Replacement: After shearing, the damaged pins can be quickly and easily replaced. This leads to reduced downtime and lower maintenance costs in the long run.
  • 5. Versatility: Pin couplings are suitable for a wide range of applications, including pumps, compressors, fans, and other industrial machinery. Their ability to handle varying operating conditions makes them versatile in different environments.
  • 6. Shock Load Absorption: Pin couplings can absorb and dissipate shock loads effectively. The shear pins act as a buffer, protecting the equipment from sudden impacts or overloads.

Despite their numerous advantages, it is essential to consider the limitations of pin couplings as well. They have lower torque capacities compared to some other coupling types, such as gear couplings or rigid couplings. Additionally, the need to replace shear pins after each failure may lead to more frequent maintenance requirements in applications with frequent overloads or misalignments.

In conclusion, pin couplings provide reliable torque transmission and safety features, making them a valuable component in various mechanical systems. Their ability to protect against overloads and accommodate misalignments makes them a practical choice in a wide range of industrial applications.

China supplier API Pin Box Tool Joint Couplings for Water Well Drill Pipe  China supplier API Pin Box Tool Joint Couplings for Water Well Drill Pipe
editor by CX 2023-08-17