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.
|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|
|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.|
When you choose the camlock couplings, please confirm the details such as:
1, Types and Size
5, Presuure and Tempreture
6, Standard: A-A-59326 or DIN2828.
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 CZPT the parcels until you signed them and update you the situation.
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.
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.
|Surface Treatment:||Epoxy Painting|
|Advantage:||Quick, Safey and No Need Tools|
|Test Pressure:||24 Bar|
|Application:||Firefighting, Irrigation, Petroleum, Hydrocarbons|
How Do Pin Couplings Compare to Other Types of Couplings in Terms of Performance?
Pin couplings offer certain advantages and disadvantages compared to other types of couplings, and their performance characteristics can vary depending on the specific application requirements. Below is a comparison of pin couplings with some commonly used couplings:
1. Gear Couplings:
- Flexibility: Gear couplings are more rigid than pin couplings and may not offer the same level of misalignment capacity.
- Torsional Stiffness: Gear couplings provide higher torsional stiffness, making them suitable for applications requiring precise torque transmission.
- Shock Absorption: Gear couplings can handle higher shock loads due to their robust design and greater stiffness.
- Maintenance: Gear couplings may require periodic lubrication and maintenance compared to maintenance-free pin couplings.
- Applications: Gear couplings are commonly used in heavy-duty and high-torque applications where precise torque transmission is essential.
2. Flexible (Elastomeric) Couplings:
- Flexibility: Elastomeric couplings offer higher misalignment capacity than pin couplings and can handle angular, parallel, and axial misalignment.
- Shock Absorption: Elastomeric couplings provide excellent shock absorption, damping vibrations, and protecting connected equipment.
- Torsional Stiffness: Elastomeric couplings have lower torsional stiffness compared to pin couplings, making them more forgiving in high shock load applications.
- Installation: Elastomeric couplings are easy to install and require no lubrication, making them maintenance-free.
- Applications: Elastomeric couplings are commonly used in pumps, compressors, and other machinery where vibration isolation is crucial.
3. Rigid Couplings:
- Torsional Stiffness: Rigid couplings provide high torsional stiffness, ensuring accurate torque transmission.
- Misalignment Capacity: Rigid couplings have little to no misalignment capacity and require precise shaft alignment.
- Applications: Rigid couplings are used in applications where precise alignment is essential, such as shaft-to-shaft connections in high-precision systems.
Pin couplings strike a balance between flexibility and torsional stiffness, making them suitable for applications with moderate misalignment and shock loads. They are often used in general industrial applications, conveyors, and light to medium-duty machinery.
When selecting a coupling for a specific application, it is crucial to consider factors such as misalignment requirements, shock and vibration loads, torsional stiffness, maintenance needs, and the level of precision required. Each coupling type has its strengths and weaknesses, and the appropriate choice will depend on the specific demands of the application.
Can Pin Couplings Be Used for Both Motor-to-Shaft and Shaft-to-Shaft Connections?
Yes, pin couplings can be used for both motor-to-shaft and shaft-to-shaft connections in various mechanical systems. The versatile design of pin couplings allows them to connect two shafts with aligned or misaligned centers, making them suitable for a wide range of applications.
Motor-to-Shaft Connections: In motor-driven systems, pin couplings are commonly used to connect the motor shaft to the driven shaft of the equipment. The motor can be an electric motor, combustion engine, or any other type of power source. The pin coupling efficiently transfers torque from the motor shaft to the equipment’s driven shaft, enabling power transmission and mechanical motion.
Shaft-to-Shaft Connections: Pin couplings are also well-suited for shaft-to-shaft connections, where two separate shafts need to be joined together. This could be the case when extending the length of a shaft or connecting two separate pieces of rotating equipment. The pin coupling provides a secure and flexible connection between the two shafts, allowing torque to be transmitted between them while accommodating misalignment.
It is essential to consider the specific requirements of the application when selecting a pin coupling. Factors such as the amount of misalignment, torque capacity, operating conditions, and space constraints should be taken into account to ensure the coupling can effectively and reliably connect the motor and shafts.
Overall, the versatility and performance of pin couplings make them a popular choice for both motor-to-shaft and shaft-to-shaft connections in various industrial and mechanical systems.
Understanding Pin Couplings and Their Functionality
A pin coupling, also known as a shear pin coupling, is a type of mechanical coupling used to connect two rotating shafts in a mechanical system. It is designed to transmit torque while allowing for a limited amount of angular misalignment between the shafts. The primary function of a pin coupling is to protect the connected equipment from torque overload and prevent damage to the shafts and other components in case of sudden shock or overload.
How a Pin Coupling Works:
A typical pin coupling consists of two hubs, one on each shaft to be connected, and a series of pins that pass through the hubs to join them together. The pins are usually made of a softer material than the hubs, such as brass or aluminum, to act as sacrificial elements. The number and size of the pins depend on the coupling’s torque rating and the required angular misalignment capacity.
When the shafts are misaligned, the pins experience shear stress as they bend under the applied load. In normal operating conditions, the pins remain intact and allow the torque to transfer from one shaft to another. However, in the event of an overload or excessive misalignment, the pins will shear off, preventing the transmission of excessive torque and protecting the connected equipment from damage.
After shearing, the damaged pins can be easily replaced, and the coupling can be put back into service without major repairs to the equipment. This feature makes pin couplings particularly suitable for applications with varying operating conditions and environments where shock loads or sudden overloads may occur.
Advantages of Pin Couplings:
– Protection against Overload: The shear pins act as a safety feature, protecting the connected equipment from excessive torque and sudden shocks.
– Misalignment Tolerance: Pin couplings can accommodate a limited amount of angular misalignment between the shafts.
– Easy Replacement: After shearing, the damaged pins can be quickly replaced, reducing downtime and maintenance costs.
– Versatility: Suitable for a wide range of applications, including pumps, compressors, and other industrial machinery.
– Cost-Effective: The sacrificial pins are cost-effective components that can be easily replaced, avoiding costly repairs to the main equipment.
– Pin couplings have lower torque capacities compared to some other coupling types, such as gear couplings or rigid couplings.
– The need to replace the shear pins after each failure may lead to frequent maintenance requirements in applications with frequent overloads or misalignments.
In summary, pin couplings offer a reliable and cost-effective solution for torque transmission and protection against overloads in various mechanical systems. Their ability to accommodate misalignment and absorb shock loads makes them suitable for a wide range of industrial applications.
editor by CX 2023-08-14