Description

1. Application Scope

Developed by Jinan Bonor, this cyclic fatigue tester is designed for pressure resistance and fatigue tests of gas cylinders and pressure vessels. It is widely adopted by quality inspection institutions, product testing stations, research institutes and manufacturers engaged in the production, development and research of gas cylinders & pressure vessels.

The pressure test system consists of a pressurization system and a control & display system:

  • The pressurization system is mainly composed of liquid booster pumps to realize long-term pressurization and pressure holding during tests.
  • The control & display system controls driving gas pressure, pressure relief and real-time pressure display.

Compliant Standards: GB/T9251-1997 Methods for Hydraulic Pressure Test of Gas Cylinders GB/T9252-2001 Methods for Fatigue Test of Gas Cylinders ISO 11439-2000 High-pressure Cylinders for On-board Natural Gas Vehicles

2. Control Mode & Data Acquisition Software

Two control modes are available: manual control and computer automatic control. The computer control system adopts a two-layer control framework composed of a microcomputer and PLC, featuring advanced control logic and independent control units to realize modular control. It delivers high-precision pressure control, stable pressure holding and automatic pressure replenishment in real time. Multiple independent test channels can run simultaneously without mutual interference. All test data and curves are automatically recorded and stored in the computer.

3. Equipment Advantages

  1. Equipped with Siminte gas-driven automatic booster pump for stepless adjustable and controllable output pressure.
  2. Adopts mature technology and reasonable structural layout, with compact size, light weight and elegant appearance.
  3. All pressure-bearing components adopt standard parts from well-known international brands with no welded joints, which brings convenient disassembly, high safety factor, long service life and easy maintenance.

4. Technical Parameters

Working Principle:The high-pressure pump generates high-pressure fluid according to the required test pressure of containers. The fluid is delivered to test specimens via high-pressure hoses after being regulated by the pressure control system, so as to carry out long-term static hydraulic tests and burst tests for containers.The computer is able to set and control pressure rising rate, target pressure and pressure holding duration.

  1. Driving air pressure range: 0.1–0.69 MPa; output pressure is proportional to driving air pressure
  2. Air consumption: 1 Nm/min
  3. Pressure test range: 0–70 MPa (customizable according to customer requirements)
  4. Working medium: water, hydraulic oil, emulsion
  5. Pressure Control Accuracy:+2% of upper pressure limit, -1% of lower pressure limit
  6. Pressure Resolution:1 MPa
  7. Pressure Sensor:Pressure sampling interval: 0.5 seconds
  8. Test Medium:Water or hydraulic oil
  9. Pressure Driving Mode:Pneumatic drive or hydraulic drive
  10. Operation ModeManual control + computer automatic control
  11. Specimen Channels:Single channel for pressure & test time control; multi-channel optional
  12. Temperature Control Precision:Mean deviation ±1℃, overall deviation ±2℃
  13. Specimen Clamping:Manual clamping or automatic clamping
  14. Structural Composition:Power system, circulation system, pressure control system, workpiece clamping device, manual control unit, computer control unit
  15. Application Scope:All types of gas cylinders and pressure vessels