Reliable Solution for Strength and Lifetime Testing Under Pressure

Pipe systems form the backbone of safe and continuous fluid transportation in many industries. Especially for plastic pipes and other pressure-bearing components, durability, long-term performance, and operational reliability are critical factors. Hydrostatic pressure testing is one of the most essential quality control methods used to evaluate pipes under conditions that simulate real-life operation. The Hydrostatic Pressure Testing Machine for Pipes is an advanced testing system designed to assess the strength, sealing performance, and lifetime of pipes by subjecting them to controlled internal pressure over a defined period.

Main Purpose of the Device

The primary purpose of this device is to determine the long-term resistance of pipes under internal pressure and to provide reliable data regarding their service life. Through these tests, weak points in the pipe material can be identified, production quality can be verified, and safe operating limits can be clearly defined.

What is a Hydrostatic Pressure Test?

A hydrostatic pressure test involves filling a pipe with water or a similar fluid and maintaining it under a specified internal pressure. During the test, the pipe is kept at a constant pressure level for a defined duration and observed continuously. The process evaluates sealing integrity, deformation behavior, and burst resistance of the pipe.

Importance and Purpose of the Test

Hydrostatic pressure tests play a direct role in ensuring the safety of pipe systems. Even a minor weakness in pipes used in water supply, gas distribution, or chemical transport systems can lead to serious consequences. Therefore, these tests are essential for verifying compliance with national and international standards and for minimizing risks during actual use. Additionally, they support manufacturers in maintaining consistent quality and strengthening brand reliability.

Scientific Basis of the Test

The scientific foundation of hydrostatic pressure testing lies in the mechanical behavior of materials under internal pressure. When pressure is applied inside a pipe, it generates circumferential (hoop) stress along the pipe walls. Over time, these stresses can cause deformation, particularly creep in plastic materials. Long-term testing allows observation of these effects and helps determine the true lifetime performance of the pipe.

Usage of the Device

The device is designed for ease of use with an operator-friendly interface. Pipe samples are securely connected to the system using specially designed fittings. Test parameters such as pressure value and duration are set via the touchscreen interface. Once the test begins, the system automatically maintains the set pressure at a constant level. Throughout the test, pressure values are continuously monitored and displayed electronically. In case of emergency, the system can be immediately stopped using the emergency stop button.

Technical Specifications

The device features a touchscreen color display that provides intuitive and efficient control. It is available with 1, 3, or 6 testing units, allowing multiple pipe samples to be tested simultaneously. The ability to maintain constant pressure throughout the test significantly enhances result accuracy. A wide pressure adjustment range enables testing of pipes with varying characteristics. Measurement values are displayed with two decimal precision, ensuring accurate data tracking, and the system operates with a precision level of 1%. The device is constructed from corrosion-resistant materials, ensuring long service life. Additionally, its advanced software infrastructure enables controlled and efficient test management.

Advantages

The Hydrostatic Pressure Testing Machine for Pipes offers significant advantages in production and quality control processes.

Technical Advantages

Accurate test results are achieved through stable pressure control and high measurement precision. The multi-unit structure increases efficiency by enabling simultaneous testing of multiple samples. Optional hot and cold environment units allow accelerated lifetime testing.

Contribution to Quality Control

Production defects can be identified during the testing phase, preventing potential failures in real-world applications. This reduces costs and enhances product reliability.

Support for Export and Certification

The device enables testing in accordance with international standards, facilitating acceptance in global markets. It also provides reliable data required for certification processes.

Application Areas

This device is widely used by plastic pipe manufacturers as well as in industries such as water distribution systems, gas pipelines, infrastructure projects, and chemical transport systems. It enables testing under realistic pressure conditions, contributing to the development of safe and long-lasting piping systems.

Standards

DIN 74324 – Defines test methods for evaluating the long-term pressure resistance of plastic pipes.

DIN 73378 – Covers pressure performance testing criteria for pipes used in industrial and automotive applications.

ISO 9261 – Specifies performance testing requirements for pipes used in irrigation systems under pressure.

ISO 7628 – Describes test procedures for analyzing the behavior of thermoplastic pipes under pressure.

TS EN ISO 9261 – Turkish standard defining pressure testing criteria for irrigation system pipes.

TS EN 12734 – Includes requirements for testing pressure resistance and sealing performance of plastic piping systems.

TS EN 253 – Covers testing methods for evaluating the performance of pre-insulated pipe systems under pressure and temperature.

TS EN ISO 1167-1 – Defines general test principles for determining the internal pressure resistance of thermoplastic pipes.

TS EN ISO 1167-2 – Details procedures for conducting long-term hydrostatic pressure tests.

TS EN ISO 15874 – Specifies performance requirements of polypropylene piping systems under pressure and temperature.

TS 11755 – Covers national test methods for measuring pressure resistance of plastic pipes.

TS EN ISO 3458 – Defines testing of sealing performance of pipe fittings under pressure.

TS EN 1555-2 – Specifies pressure resistance requirements for polyethylene pipes used in gas distribution systems.

TS EN ISO 1452-2 – Covers mechanical performance evaluation of PVC pipe systems under pressure.

Conclusion

The Hydrostatic Pressure Testing Machine for Pipes is a critical solution for ensuring the safety, durability, and performance of pipe systems. By simulating real operating conditions, it allows manufacturers to identify potential risks in advance and ensure product reliability. With its advanced technical features, high measurement accuracy, and compliance with international standards, it provides both quality assurance and a competitive advantage.