Product Description
American/NH/ANSI Pin type fire hose coupling for fire hose
Description
A Fire hose coupling is connector on the end of hose to connect or couple it with another hose or with a tap or hose appliance, such as irrigation sprinkler. It is usually made of steel,brass,stainless steel,aluminium or plastic.Used for combining water band with water band ,fire hydrant ,water lance and the fire-fighting truck so that they are to supply water or foam misture for putting out fire.
Technical Specification
| Model | KD | KY | KN | KJ | |||||
| Diameter(mm) | DN50 | DN65 | DN80 | DN50 | DN65 | DN50 | DN65 | DN50/ DN65 |
DN65/ DN80 |
| Working Pressure(Mpa) | 1.6 | ||||||||
| Testing Pressure(Mpa) | 2.4 | ||||||||
| Available Medium | Clear Water, Foam mixed liquid | ||||||||
| Fire Hose Coupling Type | Inlet | Outlet |
| British/John Morris Coupling |
2.5″BS336 | Φ63.5 |
| 2″BS336 | Φ51 | |
| 1.5″BS336 | Φ38 | |
| 2.5″BS336 | Φ51 | |
| 2.5″BS336 | Φ38 | |
| 2″BS336 | Φ38 |
| Fire Hose Coupling Type | Inlet | Outlet |
| American(ANSI Pin)Fire Hose Coupling |
2.5″NH | Φ63.5 |
| 2″NH | Φ51 | |
| 1.5″NH | Φ38 |
| Fire Hose Coupling Type | Inlet | Outlet |
| Nakajima(Machino) fire hose coupling |
2.5″ | Φ63.5 |
| 2″ | Φ51 | |
| 1.5″ | Φ38 |
| Fire Hose Coupling Type | Inlet | Outlet |
| Forestry Fire Hose Coupling |
1.5″ | Φ38 |
| 1.5″ | 1.5″ BSP | |
| 1.5″ | 1.5″ NPSH | |
| 1.5″ | F1.5″ BSP |
| Fire Hose Coupling Type | Inlet | Outlet |
| Gost(Russian) Fire Hose Coupling |
2″ | Φ50 |
| 2.5″ | Φ70 | |
| 3″ | Φ80 | |
| 4″ | Φ100 |
| Fire Hose Coupling Type | Inlet | Outlet |
| UNI Fire Hose Coupling | UNI70 | Φ70 |
| UNI45 | Φ45 |
| Fire Hose Coupling Type | Inlet | Outlet |
| Storz Fire Hose Coupling | 4″ STORZ | Φ100 |
| 3″ STORZ | Φ75.5 | |
| 2.5″ STORZ | Φ63.5 | |
| 2″ STORZ | Φ51 | |
| 1 3/4″ STORZ | Φ44.5 | |
| 1″ STORZ | Φ38 |
Photoes
Package&Shipping
Our Company
We could supply fire hose, fire hose fittings, spray nozzle, coupling, automatic fire sprinkler system products, gate valves, check valves, ball valves, etc. All these products strictly confirming to JIS, API ans BS standards. All of our products comply with international quality standards and are greatly appreciate in avariety of markets around world. Our factory is covering an area of 15900 square meters, we now over 300 workers. Our well-equipped facilities and excellent quality control throughout all stages of production enable us to guarteen total customer satisfaction. As a result of our high quality products and outstanding customer service, we have gained a globe sales network CHINAMFG the North America, South America, Mideast, Southeast Asia, East Europe, etc.
Certificate
Other Fire Fighting Equipment
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Certification: | GB8013-2005, CCCF, CCC |
|---|---|
| Surface Treatment: | Chrome Plated/Brass |
| Material: | Aluminum/Brass |
| Type: | British/John Morris/ American/Nh/Nakajima(Machino) |
| Application: | Fire Hose Coupling |
| Transport Package: | Bags/Cartons |
| Samples: |
US$ 2/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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.
Role of Pin Coupling in Reducing Downtime and Maintenance Costs
A pin coupling plays a crucial role in reducing downtime and maintenance costs in various mechanical systems and power transmission applications. Its design and features contribute to improved reliability and ease of maintenance, resulting in enhanced operational efficiency and cost savings. Here’s how pin couplings achieve these benefits:
1. Shock Absorption: Pin couplings are known for their ability to absorb and dampen shocks and vibrations generated during operation. By cushioning the impact of sudden loads or torque spikes, they protect the connected equipment from potential damage, reducing the frequency of unexpected breakdowns and downtime.
2. Misalignment Tolerance: Pin couplings can tolerate a certain degree of misalignment between shafts, such as angular and parallel misalignment. This flexibility allows for easier installation and alignment of equipment, saving time and effort during setup and reducing the need for precise alignment procedures.
3. Low Maintenance: Pin couplings are designed with simplicity in mind, often consisting of only two coupling halves connected by pins. This straightforward construction means fewer components that can wear out or require regular maintenance. Additionally, the flexibility of the pins helps reduce wear on the coupling and connected equipment, leading to longer maintenance intervals.
4. Easy Replacement: In the event of a failure or wear, pin couplings are relatively easy to replace compared to some other coupling types. The simplicity of their design allows for quick disassembly and reassembly, minimizing downtime during maintenance or replacement procedures.
5. Cost-Effective: The combination of low maintenance requirements and reduced downtime translates into cost savings for businesses. With fewer unexpected breakdowns and lower maintenance expenses, the overall cost of ownership for systems employing pin couplings can be more economical.
6. Reliability: Pin couplings are known for their reliability and durability. When properly selected and installed, they can provide long service life without frequent replacements, contributing to stable and consistent system performance.
By minimizing downtime, maintenance efforts, and associated costs, pin couplings are a preferred choice in various industrial applications. However, it is crucial to ensure that the pin coupling is correctly sized and installed, and regular inspections and maintenance are conducted to maximize its benefits and prevent premature failure.
Selecting the Appropriate Pin Coupling for a Specific Application
Choosing the right pin coupling for a specific application involves considering several factors to ensure optimal performance, reliability, and safety. Here are the key steps to select the appropriate pin coupling:
- 1. Determine the Application Requirements: Understand the specific requirements of the application, including torque and speed specifications, shaft sizes, and misalignment tolerances. Consider the operating conditions, such as temperature, humidity, and exposure to corrosive substances.
- 2. Calculate Torque and Power: Calculate the torque and power requirements of the application to determine the appropriate pin coupling’s torque capacity. Make sure to consider both steady-state and peak torque loads.
- 3. Consider Misalignment Tolerance: Evaluate the degree of misalignment expected in the system. Different pin coupling designs offer varying levels of misalignment tolerance. Choose a coupling that can accommodate the expected misalignment without compromising performance.
- 4. Select the Pin Coupling Type: Based on the application requirements, choose the appropriate pin coupling type – single pin, double pin, triangular pin, splined pin, or taper pin coupling. Each type offers different torque capacities and misalignment capabilities.
- 5. Check Material and Construction: Consider the materials used in the pin coupling’s construction. Common materials include steel, stainless steel, and alloy materials. The material should be suitable for the application’s environmental conditions and corrosion resistance.
- 6. Verify Safety Features: Ensure the selected pin coupling has safety features, such as a fail-safe mechanism to protect equipment from overload or shock loads. Safety is crucial to prevent damage to machinery and ensure operator protection.
- 7. Consult with Manufacturers or Engineers: If unsure about the best pin coupling for the application, consult with coupling manufacturers or mechanical engineers. They can provide valuable insights and recommendations based on their expertise.
By following these steps, you can select the appropriate pin coupling that matches the specific needs of the application, providing reliable and efficient power transmission while minimizing the risk of downtime and equipment failure.
editor by CX 2024-04-29
by
Tags:
Leave a Reply