Product Description
Acoples rapidos ISO 7241-A NPT/BSP DN25 Stainless Steel 316/carbon Quick Coupling
Connexion by pulling back the sleeve
Diconnexion by pulling back the female sleeve
Shut off by poppet valve
Connexion under pressure not allowed
Disconnexion under pressure not allowed
Interchangeability according to ISO 7241-1 PART A
High grade carbon steelwith heat treated wear parts
Polyurethane and NBR backup ring in PTFE
-25°C TO +100°C
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1.ISO 7241A |
KZE ISO 7241 A SERIES HYDRAULIC QUICK COUPLINGS(STEEL) |
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KZEB ISO 7241A SERIES HYDRAULIC QUICK COUPLINGS(STEEL BALL) |
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KZESS ISO 7241A SERIES HYDRAULIC QUICK COUPLIGNS(STAINLESS STEEL) |
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2.ISO 7241 B |
KZB ISO 7241 B SERIES HYDRAULIC QUICK COUPLINGS (STEEL) |
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KZD ISO 7241 B SERIES HYDRAUIC QUICK COUPLINGS(BRASS) |
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KZBSS ISO 7241 B SERIES HYDRAULIC QUICK COUPLINGS(STANILESS STEEL) |
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3.4000SERIES ISO 5675 |
KPC DOUBLE SHUT-OFF COUPLINGS WITH HARDEND STEEL POPPETS(STEEL)/PIONEER4000SERIES INTERCHANGE |
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4.PUSH AND PULL TYPE |
KZA PUSH AND PULL TYPE HYDRAULIC QUICK COUPLINGS(STEEL) |
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KZAF PUSH AND PULL TYPE HYDRAULIC QUICK COUPLINGS(STEEL) |
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KZAV PUSH AND PULL TYPE HYDRAULIC QUICK COUPLINGS(STEEL) |
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5.ISO 16571 |
QKPT FLAT FACE HYDRAULIC QUICK COUPLINGS(CARBON STEEL)/INTERNATIONAL INTERCHANGE ISO 16571 |
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QKEP FLAT FACE HYDRAULIC QUICK COUPLINGS(CARBON STEEL)/INTERNATIONAL INTERCHANGE ISO 16571 |
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QKFH FLAT FACE HYDRAULIC QUICK COUPLINGS(CARBON STEEL)/INTERNATIONAL INTERCHANGE ISO 16571 |
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QKPS FLAT FACE HYDRAULIC QUICK COUPLINGS(STAINLESS STEEL)/INTERNATIONAL INTERCHANGE ISO 16571 |
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6.QKTF |
THREAD TO CONNECT NDER PRESSURE COUPLINGS(BRASS) |
Packing&Shipping
1. Cartons
2. Cartons in Wooden Case
Xihu (West Lake) Dis.g, HangZhou, ZheJiang or HangZhou port
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Certifications
Exhibition
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Are there specialized hydraulic couplings for high-pressure or high-flow applications?
Yes, there are specialized hydraulic couplings designed to meet the demands of high-pressure and high-flow applications. These specialized couplings are engineered to handle the increased loads, pressures, and flow rates typically encountered in industrial settings where heavy-duty equipment and machinery are used. Here are some types of hydraulic couplings commonly used in such applications:
- High-Pressure Hydraulic Couplings: High-pressure hydraulic couplings are constructed with robust materials and advanced sealing technologies to withstand extreme pressure levels. They are commonly used in hydraulic systems that operate at pressures exceeding standard hydraulic system limits. These couplings ensure reliable power transmission and prevent leakage or failure under high-pressure conditions.
- Quick-Disconnect Couplings: Quick-disconnect couplings, also known as quick-release or quick-connect couplings, are designed for rapid and efficient connection and disconnection of hydraulic lines. They are prevalent in high-flow applications where frequent connections and disconnections are necessary, such as in construction equipment, agricultural machinery, and manufacturing processes.
- Multi-Couplings: Multi-couplings allow the simultaneous connection of multiple hydraulic lines with a single motion. These couplings are suitable for applications with complex hydraulic circuits, such as material handling systems and mobile hydraulics. They simplify the connection process and minimize downtime during equipment setup or maintenance.
- High-Flow Hydraulic Couplings: High-flow hydraulic couplings are designed to accommodate large volumetric flow rates in hydraulic systems. They feature larger passageways and flow channels to reduce pressure drop and ensure efficient fluid transfer in applications like heavy machinery, material handling, and large-scale industrial processes.
- Flush Face Couplings: Flush face couplings provide a leak-free connection when connected or disconnected. They are suitable for high-pressure applications where minimizing fluid loss during connection and disconnection is critical for safety and environmental reasons.
- Flat Face Couplings: Flat face couplings are ideal for high-pressure applications where cleanliness and contamination control are essential. Their flat mating surfaces prevent trapping debris during connection, making them suitable for construction equipment, mining machinery, and other rugged applications.
- High-Temperature Hydraulic Couplings: High-temperature hydraulic couplings are designed to operate in extreme temperature environments, such as those encountered in hot industrial processes or near machinery generating significant heat. They use specialized seals and materials that can withstand elevated temperatures without compromising performance.
Specialized hydraulic couplings are engineered to handle the unique challenges posed by high-pressure or high-flow applications, ensuring safe, efficient, and reliable operation in demanding industrial environments. When selecting a hydraulic coupling for such applications, it’s crucial to consider factors like the specific pressure and flow requirements, environmental conditions, compatibility with the hydraulic fluid, and the overall system design to achieve optimal performance and safety.
What are the standard sizes and thread types available for hydraulic couplings?
Hydraulic couplings come in a variety of sizes and thread types to accommodate different hydraulic system requirements. The standard sizes and thread types are specified based on industry standards and regional norms. Here are some common standard sizes and thread types for hydraulic couplings:
- Thread Types:
- NPT (National Pipe Thread): NPT is a widely used thread type in North America. It has a tapered thread design and requires thread sealants like Teflon tape to ensure a leak-free connection.
- BSP (British Standard Pipe): BSP is commonly used in Europe and many other parts of the world. It can have parallel (BSPP) or tapered (BSPT) threads and often requires thread sealants for a secure connection.
- JIC (Joint Industry Council): JIC threads have a 37-degree flare angle and are prevalent in hydraulic systems. They provide a reliable metal-to-metal seal without the need for thread sealants.
- SAE (Society of Automotive Engineers): SAE threads are commonly used in mobile hydraulic applications. They have a 45-degree flare angle and offer excellent sealing capabilities.
- ORFS (O-Ring Face Seal): ORFS fittings feature a flat face with an O-ring seal. They are suitable for high-pressure applications and provide a reliable leak-free connection.
- Standard Sizes:
- Hydraulic couplings are available in various standard sizes, typically measured in inches or millimeters. Common sizes for hydraulic couplings include 1/4″, 3/8″, 1/2″, 3/4″, 1″, and 1 1/4″ for smaller couplings and up to larger sizes like 2″, 2 1/2″, and 3″ for heavy-duty industrial applications.
- Metric sizes, such as 6 mm, 10 mm, 12 mm, 16 mm, and 20 mm, are also commonly used in hydraulic systems, especially in countries that follow the metric system.
- Some specialized hydraulic systems may require custom sizes to meet specific application needs.
It’s important to note that while these thread types and sizes are commonly used, there may be other proprietary or industry-specific thread types and sizes depending on the manufacturer or application requirements. When selecting hydraulic couplings, it’s essential to ensure that the chosen couplings match the thread type and size of the corresponding components in the hydraulic system to ensure a proper and secure connection.
Hydraulic coupling manufacturers often provide detailed specifications and technical information about their products, including the available thread types and sizes, to help users select the right couplings for their specific hydraulic system needs.
What is a hydraulic coupling, and how does it function in fluid power transmission?
A hydraulic coupling is a mechanical device used in fluid power systems to transmit power from one shaft to another, often at different angles or distances. It facilitates the transfer of hydraulic energy from a prime mover, such as an electric motor or an internal combustion engine, to various hydraulic components, such as pumps, actuators, and cylinders.
The main function of a hydraulic coupling is to transmit rotational motion and power while accommodating misalignments and torsional vibrations. It acts as a link between the driving and driven shafts, ensuring that the hydraulic system operates smoothly and efficiently.
Hydraulic couplings operate based on the principle of hydraulic fluid transmission. The coupling consists of two main parts, the input (driving) and output (driven) elements, both of which have specially designed vanes or blades. These vanes are submerged in hydraulic fluid.
When the input element rotates, it creates a flow of hydraulic fluid around the vanes, which in turn generates pressure on the output element. The pressure difference between the two elements causes the output element to start rotating, effectively transmitting power from the input shaft to the output shaft.
Hydraulic couplings are advantageous in various applications due to their ability to:
- Isolate Shock Loads: They can isolate and dampen shock loads and torsional vibrations, protecting sensitive components from sudden jolts and improving overall system performance.
- Accommodate Misalignment: Hydraulic couplings can accommodate misalignment between the input and output shafts, reducing wear and tear on the system and extending the lifespan of the components.
- Provide Overload Protection: They offer overload protection by slipping or disengaging when the torque exceeds a certain threshold, preventing damage to the system and its components.
- Start-Up Assistance: Hydraulic couplings can provide smooth start-up assistance, gradually transmitting power as the fluid builds up pressure, minimizing shock and stress during system startup.
- Reduce Noise and Vibration: By dampening vibrations and shock loads, hydraulic couplings contribute to quieter and smoother operation of fluid power systems.
Overall, hydraulic couplings play a critical role in fluid power transmission, ensuring efficient power transfer, protecting components from shocks and vibrations, and enhancing the overall performance and reliability of hydraulic systems in various industrial and mobile applications.
editor by CX 2024-04-24