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Hydrostatic Pressure and Burst Tester, ASTM D1598

Hydrostatic Pressure and Burst Tester, ASTM D1598

Model: HYD-C Touching screen + computer both way control mode

Hydrostatic pressure testing is a valuable method for assessing the strength and integrity of pressurized systems, ensuring that they can meet operational demands without failure. Hydrostatic pressure testing can evaluate these items by filling pipelines, tanks, or containers with water before pressure is applied to detect any potential leaks or issues. 

Hydrostatic pressure testter is critical across multiple industries, from pipeline engineering to industrial piping. It helps prevent costly failures or leaks by verifying whether the system can safely reach the specified pressure levels.


Principle:
Test pieces are subjected to a specified constant internal hydrostatic pressure for a specified period of time or until a test piece or pieces fail.
Throughout the test, the test pieces are kept in an environment at a specified constant temperature: this is commonly in water (“water-in-water” test).
The following test parameters shall be specified by the standard or specification making reference to this part of ISO 1167:
a) the type of end cap to be used (see 5.1 and ISO 1167-2:2006, 4.1);
b) the test temperature;
c) the number of test pieces;
d) the duration of the test under pressure and the criteria for a failure;
e) the test pressure, p, or the circumferential (hoop) stress, σ, to be induced by the test pressure.

General introduction

Hydrostatic pressure testing is a valuable method for assessing the strength and integrity of pressurized systems, ensuring that they can meet operational demands without failure. Hydrostatic pressure testing can evaluate these items by filling pipelines, tanks, or containers with water before pressure is applied to detect any potential leaks or issues. 

Hydrostatic pressure testter is critical across multiple industries, from pipeline engineering to industrial piping. It helps prevent costly failures or leaks by verifying whether the system can safely reach the specified pressure levels.


Standard: 
ISO 1167: Thermoplastics pipes, fittings and assemblies for the conveyance of fluids -- Determination of the resistance to internal pressure;
ASTM D1598: Standard Test Method for Time-to-Failure of Plastic Pipe Under Constant Internal Pressure;
ASTM D1599:  Standard Test Method for Resistance to Short-Time Hydraulic Pressure of Plastic Pipe, Tubing, and Fittings;


Importance of Hydrostatic Testing
If the static hydrostatic pressure strength performance of the pipe is not qualified, the pipe is susceptible to rupture and leakage under certain working pressures, leading to the failure of the water supply system to operate normally, severely affecting the lifespan of the project and posing significant safety risks. Therefore, when pipes are used for water supply purposes, static hydraulic strength is a key indicator for testing the pressure resistance performance of the pipes, and it is also an important criterion for controlling the quality of the pipes.


Hydrostatic Pressure and Burst Tester, ASTM D1598

Key Features

  • Features of mainframe
  • Constant-temperature tank:
  • End caps
  • Test report

1, Computer controlled test, and touching screen control.  Both way.  And the both way independent, one type failure not affect the another way test. 
2, All working stations can execute both the hydrostatic pressure test and burst test. 
3, working station standard, can extend to more stations like 5, 6, 9, 12 etc., Customer can choose the test stations 2, 3 or 5, 6, 10 or even more. 
4, Pressure 10Mpa (100bar) / 20Mpa (200bar);
5, All stations are totally independent, all stations can do burst test, and long term hydrostatic pressure test as well. Like test pressure, test time etc., can be free set on each test stations.
6, Setting the test parameter on the software, then operation is automatic till the test finish.
7, Test can be operated through the PC software, or manual operate on the meter of the mainframe.
8, Pressure-time curve, real-time pressure value checking is available.
9, 10mm ~ 2000mm large pipe sample range.

1, Constant-temperature tank is composed of 304# stainless steel interior and aluminum alloy/steel plate outer plate, no corrosion,
2, Imported circulation pump, high accuracy heater and temperature holding system;
3, Rigid and thick heat insulation polyurethane foam, and temperature proof layer to ensure the temperature and energy keeping performance, avoid energy loss.
4, For big tank, the cover of tank equipped with automatic lifting device, more reliable and convenient;
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Annual production end closure tens of thousands sets to ensure our technical and quality of this important pipeline hydrostatic pressure test fixtures, we adopt raw material is 45# carbon steel or 304# stainless steel, several type end closures like end seal or external seal and double seal, it's suitable for different size diameter of pipes.  

1, End seal type: for pipe diamater below 16 mm - 315mm, triple caps structure(not welding) ,  no leakage under high pressure, nickel coating, easy installatio, good sealing performance and durable.  

2, External type: for diameter 250mm-2000mm, four to six caps structure(not welding), no leackage under high pressure, nickle coating, reliable and durable, 100% success installation;  

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Main technical specification

ModelHYD-C
Display typeTouching screen & PC software both
Working station1 to 20 working stations
Burst testAll stations can execute the burst test
Hydrostatic pressure testAll stations can execute the long-term hydrostatic   pressure test
Max. pressure0 ~ 10Mpa (100   bar) / 0 ~ 20Mpa (200   bar)
Constant pressure accuracy-1%, +2%
Pressure resolution0.001Mpa
Time count range1~9999h   59min 59s
Time display accuracy1s
Constant temperature media box temp.Ambient temperature to 95℃
15℃ to Ambient temp. with cooling unit
Temp. indication accuracy±0.5℃
Power supply380V AC 50HZ, 3 phase
Pipe sample diameter range10-2000mm   (Customized)
Standard End capφ16, φ20,   φ25, φ32, φ40, φ50, φ63, φ75, φ110, φ125, φ140, φ160, φ180, φ200, φ225,   φ250,φ280, φ315, φ355, φ400, φ450, φ500, φ560, φ630, φ710, φ800, φ900, φ1000,   φ1100, φ1200, φ1300…
Customized end capφ1/2",φ3/4",φ1" ….   φ20"   etc., inch sizeor any   other size according requirement.



Main Accessories

ItemQuantity
Frame1 set
   (include solenoid, pressure   sensor, accumulator)
Pressure loading system1 set
   (include pump, motor, Build-in   water Reservoir)
Constant temperature tank (stainless steel interior)1 set
Cooling unit for low temperature (Optional)  1 set
Connection hose for pressure control system and constant temperature   medium tank1 set
Connection hose for pressure source and pressure control system1 set
End closure (According sample diameter size)
Computer1 set
Professional test software (English)1 set
Documents (Manual, packing list, certificate)

inside structure of Hydrostatic pressure testing machine

inside structure of Hydrostatic pressure testing machine, needle valve, pressure sensor. 

Hydrostatic Pressure and Burst Tester, ASTM D1598

Hydrostatic Pressure and Burst Tester end caps, 10~2000mm. 

Pipe ready for test

Sample Pipe ready for Hydrostatic Pressure test

Benefits of Using UnitedHydrostatic Pressure and Burst Tester:

Key Chalenges of Hydrostatic Testing
A: Test Pressure Setting
The pressure value needs to be precisely calculated based on the pipe design pressure grade (such as SDR11, SDR17) and the test temperature (20℃, 80℃). If there is a standard misuse (such as incorrectly recording the pressure value of PE100 pipes as 4.2MPa instead of 4.6MPa), it may lead to test failure.
B: Temperature Control Accuracy
A temperature fluctuation exceeding ±1℃ (for example, a drift from 80℃ to 82℃) will accelerate the creep of the pipe materials, resulting in a shortened test duration or misjudgment of the pressure threshold. For instance, a temperature increase of 2℃ can cause PE80 pipes to rupture 200 hours earlier in a 1000-hour test.
C: Pipe end cap Installation
The installation procedure for large fixtures is complex, the weight of the pipe is heavy, making it difficult to operate. If the sample is not circular and irregular, it can cause pressure leaks.

Benefits of Using UnitedHydrostatic Pressure and Burst Tester:

1, Quality Assurance: With our tester, manufacturers can ensure that each batch of plastic pipes is subjected to rigorous quality checks. This guarantees the reliability of products and instills confidence among end-users.
2, Regulatory Compliance: Adhering to industry standards is crucial. Our testing equipment is designed to meet various regulatory requirements, aiding manufacturers in achieving compliance without headaches.
3, Streamlined Production: Achieve higher levels of efficiency in your production process. By utilizing our Hydrostatic Pressure and Burst Tester, manufacturers can quickly identify weak links in their pipe production and make necessary adjustments, leading to enhanced efficiency and reduced waste.
4, Increased Product Lifespan: Ensuring the strength and durability of your products contributes significantly to their lifespan. Our testing equipment helps to identify materials and designs that may lead to failure under pressure, allowing for improvements that enhance overall product longevity.

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Beijing United Test Co., Ltd.