NG-ImpactFall – Falling Weight Impact Tester

Yes, the NG-ImpactFall is designed to meet the ISO 4422 standard specifications, which determine the impact resistance of rigid PVC (polyvinyl chloride) pipes and fittings. This standard establishes the criteria for conducting impact tests, including the apparatus used, the impact conditions, and the method for evaluating test results. NG-ImpactFall's capabilities enable accurate adherence to these testing protocols, ensuring PVC products are rigorously assessed for impact durability and reliability.

ISO 4422 is essential for industries relying on PVC piping for applications requiring high resilience to physical stresses. Compliance with this standard by the NG-ImpactFall signifies its effectiveness in evaluating PVC pipes and fittings' performance, contributing to the development of safer and more durable PVC products. By aligning with ISO 4422, the NG-ImpactFall aids manufacturers in meeting stringent quality standards, thus playing a crucial role in maintaining product integrity and consumer confidence in PVC piping systems.

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The NG-ImpactFall Falling Weight Impact Tester is specifically engineered to accommodate a wide range of plastic pipe types, catering to diverse industry requirements. This includes PVC-U (unplasticized polyvinyl chloride) water supply pipes, known for their rigidity and durability in water systems. It also tests low-pressure water supply pipes, which are essential in various residential and commercial fluid transport applications. The tester is suitable for core layer foam pipes and double-wall corrugated pipes, offering insights into their impact resistance capabilities, which are crucial for protective and conduit applications.

Further, the NG-ImpactFall tests steel belt pipes, carat pipes, as well as polyethylene (PE) water supply pipes that are widely used for their unique properties such as flexibility, strength, and corrosion resistance. MPP (modified polyphenylene) electric power pipes, hollow wall winding pipes, and CPVC (chlorinated polyvinyl chloride) power pipes are also within their testing range, supporting their use in electrical and utility infrastructures.

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Yes. The NG-ImpactFall 2444 configuration is built to ASTM D2444, the practice for determining the impact resistance of thermoplastic pipe and fittings with a falling tup. The second configuration, the NG-ImpactFall 3127, is built to ISO 3127, so work to D2444 calls for the 2444 machine.

D2444 strikes a supported pipe or fitting with a guided falling weight, using interchangeable striking noses and defined specimen holders. Laboratories use the results to set impact requirements in product standards, to judge the effect of a material or processing change, and to see how the conditioning environment changes impact behaviour.

The practice is revised from time to time, and a product specification that cites it often adds its own conditioning, sampling and acceptance rules. Send us the D2444 edition and the pipe specification you work to, and we will check the hammers and noses against them before you order.

The NG-ImpactFall 3127 and NG-ImpactFall 2444 models offer a versatile selection of hammer weights to accommodate a wide range of impact testing requirements. For both models, the hammer weight can be adjusted between 0.5 and 16 kilograms, allowing precise control over the impact force applied during tests. This range includes specific hammer weights of 0.5, 0.8, 1, 1.25, 1.6, 2, 2.5, 3.2, 4, 5, 6.3, 8, 10, 12.5, and 15 kilograms. This provides a comprehensive selection to match various testing standards and material specifications.

Additionally, for specialized testing scenarios, the NG-ImpactFall 2444 model includes unique hammer weights of 2.7, 5.4, 9.1, and 13.6 kilograms, further extending its testing capabilities. This broad assortment of weights ensures that the NG-ImpactFall models can simulate a wide spectrum of impact conditions, from low-force impacts that might occur during handling or minor collisions to high-force impacts that test the material's limits in more extreme conditions. Such flexibility is crucial for accurately assessing the impact resistance of plastic pipes, boards, and other non-metal materials.

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The NG-ImpactFall measures external impact strength, the resistance of a part to a blow from outside. Its main work is on plastic pipes, and it is also used for plastic boards and other non-metal materials that take knocks in handling, transport and installation.

For pipe makers the test supports product qualification and batch checks, and it shows when a resin, formulation or extrusion change has made a pipe more brittle. Because the blow is defined by the standard, results from different plants or suppliers can be compared on equal terms when they are tested to the same method and conditions.

When the job is a moulded test bar rather than a finished pipe or board, a pendulum test is usually the better tool, and our Charpy and Izod impact testers for plastic and rubber cover that work. Tell us the product and the standard it has to pass, and we will confirm which test fits.

Yes, the NG-ImpactFall aligns with the ISO 3127 standard, which outlines the methodology for assessing thermoplastic materials' impact resistance through a falling weight test. This standard specifies equipment requirements, test specimen dimensions, and testing procedures to accurately gauge material toughness when subjected to controlled impact. The NG-ImpactFall's design and operational features enable precise adherence to these specifications, ensuring that the impact resistance measurements it provides are both accurate and consistent with ISO 3127 guidelines.

The ISO 3127 standard is critical for industries that rely on the use of thermoplastics in applications where the performance of the material under impact is of utmost importance. As a result of NG-ImpactFall's compliance with this standard, manufacturers and researchers can evaluate the suitability of plastic materials for a variety of applications, supporting the development of new products that meet safety and durability requirements.

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After the hammer strikes, it tends to rebound and can come down on the specimen a second time. The NG-ImpactFall uses a pneumatically operated system to prevent that secondary impact, so the specimen receives only the blow set by the drop height and the hammer mass.

This matters because the pass or fail decision rests on the damage from one defined impact. A second, uncontrolled hit can crack a specimen that would otherwise have passed, or add damage that is then read as an extra rupture. Preventing it keeps results from different operators and shifts comparable.

The release side is handled by the electromagnetic absorb system, which holds the hammer at the chosen height until the test starts. The pneumatic system then acts after the impact, and the operator inspects a specimen that has been struck once, exactly as the standard intends.

Both configurations, the NG-ImpactFall 3127 and the NG-ImpactFall 2444, run on a 220 V, 50/60 Hz, single-phase supply. The ISO 3127 and the ASTM D2444 machine use the same electrical connection, so choosing between them does not change your site preparation on the electrical side.

Because the supply is single-phase, the tester connects to a laboratory circuit at that voltage without the need for a three-phase line. It accepts either 50 Hz or 60 Hz, which covers the common grid frequencies.

Have a qualified electrician check that the outlet matches the machine nameplate before the first start. If your site runs on a different supply, mention it when you request a quote and we will confirm the electrical configuration with your order.

The NG-ImpactFall models incorporate both manual and automatic working methods, offering a significant advantage in operational flexibility and convenience. This dual-method approach allows users to select the best mode for their specific testing requirements and preferences. Manual mode provides operators with direct control over the testing process, enabling precise adjustments and interventions when necessary. This level of control is particularly beneficial for specialized tests or when adjusting to updated testing standards, allowing users to closely monitor and modify the test parameters as needed.

Alternatively, the automatic mode facilitates the testing process more efficiently, thus reducing the need for operator supervision. This mode is ideal for routine tests in which consistency and efficiency are of utmost importance. By automating operations, it is possible to significantly increase throughput, especially in high-volume testing environments by reducing setup times and eliminating manual errors, especially in high-volume testing environments.

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The automatic zero-point adjustment feature in the NG-ImpactFall models significantly streamlines impact testing setup, enhancing both precision and efficiency. This feature automatically aligns the specimen to the optimal starting position for the test, ensuring that each impact is delivered accurately to the designated area. By eliminating manual adjustments, this automated calibration reduces setup time and human error, ensuring a consistent starting point for every test.

This precise alignment is crucial for reliable and repeatable test results, as even slight variations in specimen positioning can affect test results. The automatic zero-point adjustment ensures that each specimen is positioned correctly about the impact device, maximizing the test results' accuracy. This level of precision is particularly critical when testing materials to strict industry standards or when comparing the impact resistance of different materials under identical conditions.

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For compliance with the ISO 3127 standard, the NG-ImpactFall models come equipped with two types of strikers: the d90 and d25, both featuring Rs50 specifications. This standard supply ensures that equipment can accurately perform impact resistance tests on various materials. This is done by providing different impact surfaces and sizes to simulate real-world conditions.

In addition to the ISO standard strikers, for those conducting tests following ASTM D2444, there is an option to use a selection of Tup A, B, and C-type strikers. This optional assortment offers enhanced flexibility in testing, allowing users to tailor the impact conditions more closely to the specific requirements of the material or product being tested. The variety of strikers available for the NG-ImpactFall models facilitates a wide range of impact tests, ensuring that materials can be evaluated for their durability and resistance to impact under diverse conditions.

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The NG-ImpactFall models are designed to accommodate a wide range of pipe specimen diameters, from φ16 to φ4000 millimeters, allowing for pipe testing across various sizes and applications. This extensive range ensures that the NG-ImpactFall can be used to test small-diameter pipes used in residential plumbing to large-diameter pipes employed in industrial and municipal infrastructure.

For pipes with diameters larger than 500 millimeters, there is a specific requirement to produce a flat specimen with dimensions of 200×200 millimeters for the impact test. This guideline ensures that even the largest pipe sizes can be accurately tested for impact resistance. It does this by providing a standardized specimen size that fits within the tester's capabilities. The use of a flat specimen for larger pipes allows consistent and reliable testing. In this way, it is ensured that the material's impact resistance is accurately assessed, regardless of the pipe's original diameter.

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The NG-ImpactFall 4127 and NG-ImpactFall 2444 are NG-ImpactFall models featuring a maximum impact energy of 300 joules, the same impact energy as the NG-ImpactFall 3127 and NG-ImpactFall 3127 models. In compliance with ISO standards such as ISO 3127 and ISO 4422, this capability is essential for conducting impact resistance tests that meet ISO requirements for impact resistance. 

The 300 Joules threshold is an important parameter to consider when evaluating the resilience and durability of plastic pipes and profiles against high-impact forces. Through the use of this level of energy, materials can be tested to ensure they can withstand the types of impacts they are likely to encounter in the real world, from construction to infrastructure, and from industrial processes to power plants. Ensuring that products meet these standards is essential for manufacturers aiming to produce high-quality, reliable, and safe plastic products for various applications.

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The NG-ImpactFall 3127, built to ISO 3127, sets the drop height anywhere from 50 to 2000 mm (1.97 to 78.7 in). The NG-ImpactFall 2444, built to ASTM D2444, extends the range to 50 to 3000 mm (1.97 to 118 in).

Drop height and hammer mass together set the energy of each blow. The 2444 works with four hammer masses and a longer fall, while the 3127 covers the many hammer masses of the ISO method over a shorter fall. Both configurations reach the same maximum impact energy, so the difference lies in how that energy is built up.

The height for a given test comes from the standard and the product specification that cites it. Our ISO 3127 page outlines the round-the-clock method that the 3127 machine is built around, including its usual conditioning at 0 °C.

The NG-ImpactFall reads out on high-quality LED displays, chosen for a long service life and excellent visibility. In a pipe laboratory the operator moves between the specimen on the workbench and the controls, so a readout that stays legible at a distance and under workshop lighting saves time and avoids misreadings.

LED displays also hold up well over years of daily use, which counts on an instrument that runs batch after batch of pipe tests. A display that dims or fails would stop testing, so durability here protects uptime as much as it adds convenience.

The LED readouts work alongside the PLC control and its LCD interface, which handle test setup and the automatic sequence. If you would like to see the operator side of the machine before deciding, our team can walk you through it.

The NG-ImpactFall 3127 model weighs 882 pounds (approximately 400 kilograms), while the NG-ImpactFall 2444 model is slightly heavier, weighing in at 993 pounds (approximately 450 kilograms). These weights reflect the robust construction and durable materials used in the manufacturing of these impact-testing machines, ensuring they can withstand repeated use in testing various materials' impact resistance. 

The difference in weight between the two models can be attributed to the additional features and capabilities that the NG-ImpactFall 2444 offers, such as a higher maximum impact height and possibly more extensive electronic and mechanical components to support its broader range of testing scenarios. Despite their substantial weight, both models are designed for stability and precision in impact tests. This makes them reliable tools for assessing the durability of plastic pipes, boards, and other non-metal materials in laboratory and industrial environments.

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The integration of a Programmable Logic Controller (PLC) and an intuitive LCD interface in the NG-ImpactFall models plays a crucial role in achieving precise control over the entire testing process, enabling automatic control with high accuracy. The PLC controller automates the testing process, from setting up test parameters to executing the impact test and recording results. This level of automation ensures that each test is conducted under consistent conditions, minimizing human error and enhancing results reliability.

The intuitive LCD interface complements the PLC by providing a user-friendly platform for operators to interact with the machine. Through this interface, users can easily configure test parameters, monitor the testing process, and view results in real time. The clear and straightforward layout of the LCD screen makes it accessible to users of all skill levels, reducing the learning curve and further improving testing efficiency.

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Setup starts at the workbench. Place the pipe or profile on it and adjust its height until the upper surface of the specimen lines up with the lower edge of the photoelectric correlation system.

Next, choose the hammer head and hammer mass that the test standard calls for and assemble the impact hammer. Set the height of the electromagnetic absorb system and suspend the hammer from it at the chosen drop height.

Start the test sequence and the hammer falls freely onto the specimen. Then inspect the pipe or profile: one rupture or none means it meets the impact requirement of the standard, while more than one rupture means its impact performance falls short.

For help choosing the hammer head and mass your pipe needs, send us the diameter, the material and the standard, and we will confirm the set before delivery.

The main frame of both configurations, the NG-ImpactFall 3127 and the NG-ImpactFall 2444, measures 1100 x 570 x 3710 mm (43.30 x 22.45 x 146 in). The two are the same size, so the footprint does not change with the standard you choose.

Height is the figure to plan around. The frame stands about 3.7 m tall, so check the clear ceiling height of the room and the route the frame takes on delivery, including doors and any lift.

The control cabinet stands separately from the main frame, so allow floor space beside the frame for it and for the operator. If you would like help laying out the room, contact us with a floor plan and we will check the fit.

The noses depend on the configuration. The NG-ImpactFall 3127, built to ISO 3127, carries two striker types, d25 and d90, and both have an Rs 50 nose.

The NG-ImpactFall 2444, built to ASTM D2444, uses the Tup A, B and C strikers of that practice, with spherical noses of R12.7 mm, R50.8 mm and R6.3 mm.

The nose shape decides how the blow reaches the pipe wall, so it has to match the method you report to. A pipe struck to ISO 3127 with a D2444 tup, or the other way round, would not give a valid result under either standard.

Tell us the standard and the pipe range you test, and we will confirm the strikers that ship with your machine.

The control cabinet measures 450 x 400 x 1100 mm (17.72 x 16 x 43.30 in) on both the NG-ImpactFall 3127 and the NG-ImpactFall 2444.

It is a separate unit from the main frame and houses the PLC control and the operator interface, so the test is run from the cabinet rather than from the frame itself. At about 1.1 m tall it brings the controls to a comfortable working height for an operator standing beside it.

When planning the room, place the cabinet where the operator has a clear view of the specimen on the workbench, and keep the cable route to the frame out of walkways. Send us your room layout and we will suggest where the frame and the cabinet fit best.