Product Description

EN 14420-3/DIN2817 Safety Clamp


Product Description

EN 14420-3/DIN 2817 Safety Clamp is a type of clamp used to secure and connect hoses or pipes in various industrial applications. It is designed to ensure a safe and leak-free connection. The clamp is constructed with a two-piece design consisting of a male and female part. The male part has a protruding lip that fits into the groove of the female part, creating a secure and tight connection. The clamp is typically made of stainless steel or other durable materials to withstand high-pressure and corrosive environments.
EN 14420-3/DIN 2817 Safety Clamp is equipped with a safety locking mechanism that prevents accidental disconnection. It features a latch or bolt that can be tightened to secure the clamp in place, providing added stability and protection.
This type of clamp is commonly used in industries such as chemical processing, oil and gas, food and beverage, and pharmaceuticals. It is suitable for connecting hoses or pipes carrying fluids such as water, chemicals, gases, and powders.



EN 14420-3/DIN 2817 Safety Clamp

Product name DIN 2817 Aluminum Stainless Steel Safety Hose Clamp 
Size 1/8″, 1/4″, 3/8″, 1/2″, 3/4″,  1″,  1-1/4″,  1-1/2″,  2″  2-1/2″  3″  4″ etc.
Casting Method Casting
Application Oil, Water, Industrial, Chemical
Test pressure Usually 150PSI

1.We are direct factory,best price will offer

2. With experience,quality guaranteed

3. Factory visit welcome

4. With independent open mold capacity, OEM supposed



EN 14420-3/DIN 2817 Safety Clamp complies with international safety standards and regulations, ensuring its reliability and performance. It provides a secure and leak-free connection, minimizing the risk of accidents and contamination.


Our Factory




After Sales Service

1. One year warranty

2. Spare parts provided such as extra gaskets

3. Strict market agent protection agreement if you want to be distributor

4. OEM&ODM are welcome,  customer logo can be casted on to valve body if you need

5.  First order and large order have a good discount.

6.  Always most competitive price, most reliable quality and best service as your biggest support.

Company Profile

Our Advantages

1)Industry leader:
HangZhou CHINAMFG Industrial Co.,Ltd has been specilized in Pipeline Products since 2004.With decades of development, CHINAMFG possesses 20 engineers, 200 experienced workers, and 25 professional sales teams and has supplied pipeline products, solutions and services to over 30 countries. Quality is strictly controlled and guaranteed.

2)Large Productivity 
HangZhou CHINAMFG Industrial Co.,Ltd’ productivity is large and stock for some of the pipe fittings is also available. so the mass production lead time is short.

3)VIP Service
Professional  Technical engineers and sales teams guarantee quality and service.

4)OEM is also available
We have a professional technical team and a complete supply chain to realize casting, forging, machining etc.,


Q1:What certificate do you have?
A: We have ISO 9001, CE certificate.

Q2. Can I get free samples?
A: Yes, The free samples can be offered for free.

Q3. Can I have my own Logo on the product?
A: Yes, a Simple logo design is available based on not small order quantity.

Q4: Can I have my own customized product?
A: Yes, your customized requirements for color, size, mark, etc.

Q5: Can you produce the products according to my own drawing?
A: Yes, we can produce the products according to your drawing.

Q6: How long is your delivery time?
A: Generally it is about 30-45 days depending on the order quantity.

Q7:What’s your product range?
A: HangZhou CHINAMFG INDUSTRIAL Co., Ltd is a leading manufacturer and exporter of various iron and steel valves, fittings and flanges. Its main products include Valves: Cast iron/Ductile iron/Cast steel valves (DIN3352 Resilient seated F4/F5 Gate valves, DIN3352 F4/F5 metal seated Gate valves, BS5163/BS5150/AWWA C509 Gate valves, API600 Gate valves, Cast iron butterfly valves, DIN/ANSI Globe valves, Wafer/swing check valves and Y-strainers. Pipe fittings: Butt Welding Pipe Fittings, high-pressure pipe fittings, stainless steel screw fittings, pipe nipples and coupling. Flanges: Flat flanges, welding neck flanges, slip on flanges and blind flanges. We have passed not only the European CE certification for our valves and flanges but also the ISO9001 assessment and registration by SGS for quality management. By virtue of 20+ years′ business accumulation in more than 35 countries/regions, CHINAMFG has been receiving CHINAMFG attention. “Trust from quality”, with years of industrial experience, mature quality control, stable business operation processes, and continuously developing ideas, CHINAMFG is your best partner. Welcome to contact us, and we are committed to meeting all of your needs!


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clamp coupling

How do Clamp Couplings Contribute to Reducing Backlash and Resonance in Rotating Machinery?

Clamp couplings play a crucial role in reducing backlash and resonance in rotating machinery, enhancing the overall performance and reliability of the system. Here’s how they achieve this:

1. Backlash Reduction:

Backlash is the play or clearance between mating components in a mechanical system. In rotating machinery, backlash can lead to lost motion, reduced precision, and inefficiencies. Clamp couplings offer several features that help minimize backlash:

  • Zero-Backlash Design: Some clamp couplings are designed with a split hub and a clamping mechanism that ensures a tight fit around the shafts. This zero-backlash design eliminates any clearance between the coupling and the shafts, reducing or even eliminating backlash.
  • High Clamping Force: Clamp couplings exert a strong clamping force on the shafts, ensuring a secure and rigid connection. This prevents any relative movement between the coupling and the shafts, further reducing backlash.

2. Resonance Damping:

Resonance occurs when the natural frequency of a rotating system matches the frequency of external forces or disturbances. This can lead to excessive vibrations and potential damage to the machinery. Clamp couplings can help dampen resonance in the following ways:

  • Material Selection: High-quality materials like stainless steel or aluminum alloy are commonly used in clamp couplings. These materials possess excellent damping properties, dissipating vibrations and minimizing resonance effects.
  • Precision Machining: Clamp couplings are precisely machined to maintain balance and reduce vibration during operation. Balanced couplings minimize the likelihood of resonant frequencies being excited, contributing to a smoother operation.
  • Torsional Stiffness: Clamp couplings offer controlled torsional stiffness, which helps prevent the buildup of excessive vibration amplitudes and reduces resonance occurrences.

3. Misalignment Compensation:

Another factor contributing to backlash and resonance is misalignment between shafts. Clamp couplings can accommodate a certain degree of angular, parallel, and axial misalignments, reducing the impact of misalignment-induced backlash and vibrations.

Overall, clamp couplings provide a secure and precise connection between shafts, minimizing backlash and resonance in rotating machinery. By choosing the appropriate clamp coupling based on the specific requirements of the application, engineers can optimize the performance and efficiency of the rotating system.

clamp coupling

Impact of Clamp Coupling Design on Performance in Heavy-Duty Applications

The design of a clamp coupling plays a crucial role in determining its performance, especially in heavy-duty applications. Here are some key design factors and their impact:

  • Material Selection: The choice of material affects the strength, durability, and resistance to wear and corrosion. In heavy-duty applications, steel clamp couplings are often preferred due to their high tensile strength and ability to withstand heavy loads and torque.
  • Torsional Rigidity: Heavy-duty applications often involve transmitting high levels of torque. A clamp coupling with higher torsional rigidity will maintain the connection between shafts more effectively, minimizing backlash and ensuring accurate power transmission.
  • Hub Design: The hub of the clamp coupling should have a robust and precise design to provide a secure grip on the shafts. In heavy-duty applications, keyless and multiple screw designs are commonly used to distribute clamping forces evenly and prevent slippage.
  • Number of Screws: The number of screws used to secure the clamp coupling to the shafts can impact its holding power. More screws distributed around the circumference can provide better balance and prevent distortion under heavy loads.
  • Clamping Force: The clamping force applied by the coupling affects the torque transmission capabilities. In heavy-duty applications, it is crucial to ensure that the clamping force is sufficient to prevent slippage between the coupling and the shafts.
  • Surface Treatment: The surface of the clamp coupling can be treated to enhance its resistance to corrosion, wear, and fatigue. Surface treatments like coating or plating can significantly improve the coupling’s performance and longevity in challenging environments.
  • Alignment: Proper alignment during installation is vital to prevent premature wear and excessive stress on the coupling. In heavy-duty applications, precision alignment using alignment tools or laser systems is recommended to maintain optimal performance and prevent premature failure.

Conclusion: In heavy-duty applications, selecting a clamp coupling with the right material, torsional rigidity, hub design, number of screws, and clamping force is critical to ensuring reliable and efficient power transmission. Proper installation, regular maintenance, and adherence to manufacturer’s guidelines will further enhance the performance and longevity of the clamp coupling in heavy-duty applications.

clamp coupling

What is a Clamp Coupling and How Does it Work?

A clamp coupling is a type of mechanical coupling used to connect two shafts together to transmit torque and rotational motion between them. It is a simple and effective way of joining shafts in various mechanical systems. The main components of a clamp coupling typically include two hubs and a center section.

Working Principle:

The clamp coupling works on the principle of frictional force and mechanical interference fit. Here’s how it functions:

  1. Hub Assembly: Each end of the shaft has a hub, which is a cylindrical component with a bored hole that matches the shaft diameter. The hubs may have keyways or splines to provide additional torque transmission.
  2. Center Section: The center section of the coupling sits between the two hubs. It is often a split cylindrical sleeve with threaded holes on its outer surface.
  3. Clamping: To assemble the clamp coupling, the two hubs are placed on the respective shafts, and the center section is inserted between them. Then, bolts are inserted through the holes in the hubs and screwed into the threaded holes of the center section. As the bolts are tightened, the center section is drawn inward, creating a compressive force on the shafts and the hubs, thus firmly holding them together.
  4. Frictional Connection: The clamping force between the center section and the shafts creates a frictional connection. This frictional force allows the coupling to transmit torque and rotational motion from one shaft to the other.


Clamp couplings offer several advantages:

  • Easy and quick installation, requiring minimal tools and no special skills.
  • Simple design and cost-effective manufacturing.
  • High torque transmission capacity, making them suitable for various industrial applications.
  • Zero backlash, ensuring accurate and precise motion transfer.
  • Can accommodate different shaft sizes and materials, providing flexibility in design.


Clamp couplings find application in a wide range of industries and mechanical systems, including:

  • Power transmission in industrial machinery and equipment.
  • Robotics and automation systems.
  • Printing and packaging machines.
  • Material handling equipment.
  • Pumps and compressors.
  • Conveyor systems.

Overall, clamp couplings are a reliable and versatile solution for connecting rotating shafts and transferring power in various mechanical setups.

China supplier En 14420-3/DIN2817 Safety Clamp Safety Clamp Coupling  China supplier En 14420-3/DIN2817 Safety Clamp Safety Clamp Coupling
editor by CX 2023-12-27