China Hot selling American/Nh/ANSI Pin Type Fire Hose Coupling

Product Description

We work on this product for more than 10 years and could supply 1 stop solution on the hose coupling and pipe fittings. We mainly supply these couplings to our customer. Such as Camlock coupling, Air hose coupling, Bauer coupling, fire fighting couplings ( Stroz coupling, Guillenmin couplings, John Morris couplings, Machino coupling, Barcelona coupling, Forest couplings, fire nozzles), pipe fittings(stainless steel pipe fittings, malleable iron pipe fittings, flanges, sanitary pipe fittings) and valves ( ball valve, gate valve, sanitary butterfly valve ) and so on.

Adavantage of John Morris Fire Hose Coupling:

Good abrasion resistant, light weight, economical cost;
Save time compared with flanged or threaded fittings;
No tools needed and make the job easy;
Safety sealing for fluids, powders and pellets,Light weight and durable; 
Could keep the transfers safe without any damage or any risks.

Detailed description:

product American NH Standard Fire Hose Coupling  for Fire Hose
key word  Nh Standard Fire Hose Coupling for Fire Hose,American/Nh/ANSI Pin Type Fire Hose Coupling,Fire Hose coupling
material brass & aluminum
size 1.5″ 2″ 2.5″ 3″
Place of origin ZheJiang , China
Package Plastic bag and Cartons then Pallet
 advantage quick, safey and no need tools
Delivery By sea, By air and By express
Lead time withinn 35-45 days after confiming the normal order
Other Products Camlock couplings, Air hose coupling, Bauer coupling,  whip check safety cable,  sandlbalst coupling, fire fighting couplings ( Stroz coupling, Guillenmin couplings, John Morris couplings, Machino coupling, Barcelona coupling Forestcouplings, fire nozzles), pipe fittings(stainless steel pipe fittings, malleableiron pipe fittings, flanges, sanitary pipe fittings) and valves ( ball valve,gate valve, sanitary butterfly valve ) and so on.

 

Company Information:

Our customers:

Certification:

Main Products:

When you choose the camlock couplings, please confirm the details such as:

1, Types and Size
2, Material
3, Thread
4, Seals
5, Presuure and Tempreture
6, Standard: A-A-59326 or DIN2828.

OUR SERVIC

Pre-sale service
1.We have stock and could deliver goods within short time.
2.OEM order are accepted, logo printing are available.
3.Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you.
4.All of our products are produced by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.   

After you choose:
1. We will check cheapest shipping cost and make invoice to you at once.
2. Check quality and package again, then send out to seaport at 1-2 weekdays after your payment
3. Email you the tracking no., and help to CHINAMFG the parcels until you signed them and update you the situation. 
After-sale service
1.We are very glad that customers give us some suggestion for price and products.
2.If you have any question,please contact us freely by E-mail or Telephone or Whatsapp or Skpye.
 

FAQ

Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge and need your side pay the cost of freight.

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. Or it is 25-35 days if the goods are not in stock, it is according to quantity.

Q. what is your payment term? 
A: T/T 30% payment in advance, balance to be paid before shipment. or L/C. Or West Union, Paypal and Money Gram if little value.

Q: what is your main market?
A: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe. 

Q: Can I have my own customized product?
A: Yes, we can supply logo Print and package desiged based in our MOQ.

Contact us

 

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Surface Treatment: Epoxy Painting
Material: Aluminum
Method: Casting
Other Method: Forged
Size: 1.5" 2" 2.5"
Types: Ribbed Tail Type Serrated Tail Type
Samples:
US$ 0/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

China Hot selling American/Nh/ANSI Pin Type Fire Hose Coupling

pin coupling

What Are the Maintenance Requirements for Pin Couplings?

Pin couplings are known for their simplicity and ease of maintenance. Regular maintenance helps ensure the longevity and optimal performance of pin couplings in various mechanical systems. Here are the key maintenance requirements for pin couplings:

  • Lubrication: Most pin couplings require periodic lubrication to reduce friction between the pins and the coupling hubs. Lubrication helps prevent wear and corrosion, ensuring smooth operation.
  • Inspection: Regular visual inspections are essential to identify any signs of wear, misalignment, or damage. Inspecting the pins, coupling hubs, and surrounding components can help detect potential issues early on.
  • Torque Check: It is crucial to periodically check and retighten the bolts or screws that secure the coupling to the shafts. Loose fasteners can lead to misalignment and coupling failure.
  • Alignment: Proper shaft alignment is critical for the effective functioning of pin couplings. Regularly check and adjust the alignment if necessary to minimize wear and vibrations.
  • Environmental Protection: In harsh environments or corrosive conditions, take measures to protect the pin coupling from contaminants or chemicals that could cause damage.
  • Replacement of Worn Components: When any of the coupling components, such as pins or hubs, show signs of significant wear, they should be replaced promptly to prevent further damage.

It is important to follow the manufacturer’s maintenance guidelines and recommendations for the specific type of pin coupling used in the application. Regular maintenance not only ensures the smooth operation of the coupling but also helps prevent unexpected breakdowns and reduces the risk of costly downtime. Proper maintenance can extend the service life of pin couplings and contribute to the overall reliability of the connected equipment.

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

Types of Pin Coupling Designs

Pin couplings, also known as shear pin couplings, come in various designs to suit different application requirements. The main types of pin coupling designs are as follows:

  1. 1. Single Pin Coupling: In this design, a single shear pin is used to connect the two shafts. The pin is placed in a hole that runs through both coupling halves. Under excessive torque or shock loads, the pin shears off, disconnecting the shafts and protecting the equipment from damage. Single pin couplings are commonly used in light to moderate-duty applications.
  2. 2. Double Pin Coupling: Double pin couplings use two shear pins that are positioned 180 degrees apart. This design provides increased torque capacity and improved balance compared to the single pin design. Double pin couplings are suitable for applications with higher torque requirements.
  3. 3. Triangular Pin Coupling: Triangular pin couplings use three pins arranged in a triangular pattern around the circumference of the coupling. This design offers even higher torque capacity and improved torsional stiffness. Triangular pin couplings are ideal for heavy-duty applications where higher torque and misalignment tolerance are essential.
  4. 4. Splined Pin Coupling: Splined pin couplings use splines instead of solid pins to transmit torque between the shafts. The splines provide a more secure connection and better torque transmission compared to solid pins. Splined pin couplings are commonly used in precision motion control applications.
  5. 5. Taper Pin Coupling: Taper pin couplings use tapered pins that wedge tightly into matching tapered holes in the coupling halves. This design offers excellent torque transmission and alignment capabilities. Taper pin couplings are often used in heavy machinery and power transmission systems.

Each type of pin coupling design has its advantages and limitations, and the selection depends on factors such as the application’s torque requirements, misalignment tolerance, and environmental conditions. It is essential to choose the right type of pin coupling to ensure optimal performance, reliability, and safety in the mechanical system.

China Hot selling American/Nh/ANSI Pin Type Fire Hose Coupling  China Hot selling American/Nh/ANSI Pin Type Fire Hose Coupling
editor by CX 2024-04-11


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