Product Description

Features

1. Poppet valves available to prevent uncoupled leakage
2. Ball valves available for rugged dependability in heavy-duty hydraulic applications, within rated working pressure
3. Critical parts are induction hardened for durability
4. Dependable ball-locking mechanism holds the mating halves together
5. Socket and plug are precision machined from CHINAMFG bar stock
6. KZE Series couplings interchange with couplings meeting ISO 7241-1, Series B.

Applications
This Series brings to the industry a proven sesing for use on construction equipment, forestry equipment, agricultural machinery, oil tools, steel mail machinery, and other demanding hydraulic applications.
.

Body size (in)	1/4 3/8 1/2 3/4 1
Rated Pressure (Bar)	350 300 300 250 200
Material:	Carbon steel
Standard seal material:	NBR (other material is available on request)
Temperature Range (Std seals):	-20°C to +80°C

 
 

Part No.	Thread size BSPP	E Overall Length (mm.)	F Hex Size (mm.)	G Largest Diameter (mm.)	Part No.	Thread size NPT	E Overall Length (in.)	F Hex Size (in.)	G Largest Diameter (in.)
KZD-01SF	G1/8	48.0	17.0	24.0	KZD-N01SF	NPT1/8	1.90	0.68	0.96
KZD-02SF	G1/4	57.0	21.0	29.0	KZD-N02SF	NPT1/4	2.26	0.81	1.14
KZD-03SF	G3/8	63.0	22.0	36.0	KZD-N03SF	NPT3/8	2.49	0.88	1.40
KZD-04SF	G1/2	73.0	28.0	45.0	KZD-N04SF	NPT1/2	2.87	1.12	1.77
KZD-06SF	G3/4	90.0	33.0	54.0	KZD-N06SF	NPT3/4	3.56	1.31	2.14
KZD-08SF	G1	106.0	41.0	64.0	KZD-N08SF	NPT1	4.18	1.62	2.52
KZD-10SF	G1 1/4	115.0	54.0	79.0	KZD-N10SF	NPT1 1/4	4.53	2.13	3.11
KZD-12SF	G1 1/2	124.0	63.0	79.0	KZD-N12SF	NPT1 1/2	4.88	2.48	3.11
KZD-16SF	G2	132.0	77.0	109.0	KZD-N16SF	NPT2	5.20	3.03	4.29

About our company:   
HangZhou HI-TECH SMART MACHINERY CO LTD was established in 2013, is a high tech company specialized in pneumatic components and microduct accessories manufacturing. After years’ hard working, it has owned 2 factories now, and the products include pneumatic vibrators, air cylinders, solenoid valves, air treatment units, pneumatic fittings&mufflers, microduct connectors and other accessories. We have sold our goods to more than 60 countries, and that number is still increasing.
Our Services & Strength
1. We have more than 10 years experience on pneumatic products;
2. Excellent quality control has always been the goal of our practice;
3. You can purchase most of the pneumatic products here;
4. Sample orders and orders with a small number of products are acceptable;
5. OEM, ODM is ok for us. Not only the label and packaging, but also the personalized customization of the product itself;
6. Any requirements, just feel free to let us know.

Company frofile
Our company is specialized in manufactuing all kinds of valves,hydro-pneumatic components,alumium parts and plastic parts.Our main products are including pneumatic cylinder,solenoid valve,air filter,air regulator,air lubricator,pneumatic fitting,hydraulic fitting,tubes etc.as below;
 
           *ISO Standard Cylinder:DNC/SI(ISO6431&6432)
           *Standard Cylinder:SC/SU,
           *Mini Cylinder:MAL,MA,,MI,CJ2B,CDM2B
           *Compact Cylinder:SDA,CQ2
           *Cylinder:CU,TN,STM,MGP
           *Solenoid Valve:3v1,3v,4v,4M,3A,4A ,drain valve etc
           *Air Source Treatment Unit:A,HA,HNA,T,A/B,etc
           *pneumatic accessories:fitting,hand valve,muffler,tube,pressure switch
          *Pneumatic Vibrator: GT series,K seies,R series,SK series,FP series,NTP series etc. /* 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

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What materials, such as steel or brass, are commonly used in manufacturing hydraulic couplings?

Hydraulic couplings are manufactured using a variety of materials, and the choice of material depends on the specific application requirements and the operating conditions of the hydraulic system. Some common materials used in manufacturing hydraulic couplings include:

• Steel: Steel is one of the most widely used materials for hydraulic couplings due to its excellent strength, durability, and resistance to wear and corrosion. Carbon steel, stainless steel, and alloy steel are commonly used to manufacture hydraulic couplings for a wide range of applications.
• Brass: Brass is another popular material for hydraulic couplings, especially in low-pressure and non-corrosive environments. Brass couplings offer good conductivity and are commonly used in fluid systems that require electrical grounding.
• Aluminum: Aluminum couplings are lightweight and have good corrosion resistance. They are often used in applications where weight reduction is critical, such as aerospace and marine industries.
• Cast Iron: Cast iron couplings provide high strength and durability, making them suitable for heavy-duty industrial applications with higher pressures and temperatures.
• Stainless Steel: Stainless steel couplings are preferred for applications where resistance to corrosion and chemical exposure is essential. They are commonly used in the food and pharmaceutical industries.
• Plastics: Some hydraulic couplings are made from various plastics, such as polypropylene or nylon. Plastic couplings are lightweight, corrosion-resistant, and suitable for low-pressure applications.
• Bronze: Bronze couplings offer good corrosion resistance and are commonly used in marine and offshore applications.
• Titanium: Titanium couplings are used in specialized applications where high strength and corrosion resistance are required, such as in the chemical and petrochemical industries.

Each material has its advantages and limitations, and the selection of the appropriate material depends on factors such as the operating pressure, temperature, chemical compatibility, weight requirements, and cost considerations of the specific hydraulic system.

Manufacturers of hydraulic couplings provide detailed specifications and material options for their products, enabling users to choose the most suitable coupling material for their application needs.

Where can I find reputable suppliers or manufacturers of hydraulic couplings for my specific hydraulic system requirements?

Finding reputable suppliers or manufacturers of hydraulic couplings is essential to ensure the quality, performance, and compatibility of the couplings with your specific hydraulic system requirements. Here are some methods and sources to help you locate reliable hydraulic coupling suppliers:

1. Online Directories and Marketplaces: Utilize online industrial directories and marketplaces that list hydraulic coupling manufacturers and suppliers. Websites like ThomasNet, Alibaba, and IndustryNet can provide comprehensive listings with company profiles and product offerings.
2. Trade Shows and Exhibitions: Attend trade shows and exhibitions focused on fluid power and hydraulic components. These events offer an opportunity to meet suppliers in person, see product demonstrations, and discuss your specific requirements directly with the manufacturers.
3. Industry Associations: Many industry associations, such as the International Fluid Power Society (IFPS) or the National Fluid Power Association (NFPA), maintain directories of member companies that offer hydraulic couplings and related products. These associations often have strict membership criteria, which can serve as a marker of reputable companies.
4. Online Search Engines: Conduct a targeted search using online search engines. Use specific keywords related to your hydraulic system requirements, such as “high-pressure hydraulic couplings” or “quick-connect hydraulic couplings,” along with your location to find local suppliers.
5. Manufacturer Websites: Visit the websites of well-known hydraulic coupling manufacturers. Reputable manufacturers often provide detailed product information, specifications, and contact details, making it easier to assess their suitability for your requirements.
6. Customer Reviews and Testimonials: Look for customer reviews and testimonials to gauge the reputation and customer satisfaction of potential hydraulic coupling suppliers. Positive feedback from other customers can be an indicator of reliable and reputable manufacturers.

When evaluating hydraulic coupling suppliers, consider the following factors to ensure they meet your specific requirements:

• Product Range: Check if the supplier offers a diverse range of hydraulic couplings, including the types, sizes, and configurations that match your needs.
• Quality Assurance: Inquire about the supplier’s quality control processes and certifications to ensure their hydraulic couplings meet industry standards and regulatory requirements.
• Customization Options: If your hydraulic system requires specialized couplings, confirm if the supplier can provide customization options to meet your unique specifications.
• Technical Support: Assess the supplier’s technical expertise and support capabilities to assist with product selection, installation, and troubleshooting.
• Pricing and Delivery: Obtain competitive pricing and inquire about delivery lead times to ensure the supplier can meet your budget and project timelines.
• After-Sales Service: Inquire about the supplier’s after-sales service, warranty policies, and availability of spare parts to ensure long-term support for your hydraulic couplings.

By conducting thorough research and due diligence, you can find reputable suppliers or manufacturers of hydraulic couplings that align with your specific hydraulic system requirements. Working with reliable suppliers will help you obtain high-quality couplings that contribute to the efficient and reliable operation of your hydraulic system.

How do hydraulic couplings accommodate misalignment and prevent overload during operation?

Hydraulic couplings are designed to accommodate misalignment and prevent overload during operation, ensuring smooth and efficient power transmission. Here’s how they achieve this:

1. Misalignment Accommodation: Hydraulic couplings can handle different types of misalignment between the driving and driven shafts. This includes angular misalignment, radial misalignment, and axial misalignment. The design of the coupling allows it to flex and compensate for these misalignments, reducing stress on the system components and preventing premature wear.
2. Torsional Flexibility: Hydraulic couplings offer torsional flexibility, which means they can twist and absorb torsional vibrations that may occur during operation. This capability helps to dampen vibrations and reduce the impact of shock loads on the system, enhancing the overall performance and protecting sensitive components.
3. Slip Mechanism: In applications where overload protection is critical, some hydraulic couplings feature a slip mechanism. When the torque exceeds a certain threshold, the coupling slips, disengaging the driving and driven elements. This slip mechanism prevents damage to the system and its components by acting as a safety feature under high-load conditions.
4. Hydraulic Fluid Damping: The hydraulic fluid present in the coupling acts as a damping medium. When torque is transmitted from the driving element to the driven element, the fluid dampens the transmission of vibrations, providing a smoother and quieter operation while reducing wear and tear.
5. Gradual Start-up: During system start-up, hydraulic couplings provide gradual power transmission. As the fluid flow builds up and pressure increases, the coupling gradually engages, minimizing the shock and stress on the system. This gradual start-up is particularly beneficial for systems with heavy loads and delicate components.
6. Continuous Power Transmission: Hydraulic couplings maintain continuous power transmission even when there are slight misalignments or variations in operating conditions. The ability to accommodate misalignments and fluctuations in torque allows the system to operate reliably and efficiently over time.

By accommodating misalignments, damping vibrations, and providing overload protection, hydraulic couplings ensure the smooth and reliable operation of hydraulic systems. Their versatility and adaptability make them suitable for a wide range of industrial applications, where precision, efficiency, and protection against shock loads are essential requirements.

editor by CX 2024-03-12