LIST OF TESTS

Giussani test benches are designed for testing and inspecting sanitary tap components and hydraulic components in general, in accordance with procedures specified by the main International Standards.
Depending on the test type and test component, the AQ2tb software guides the user in selecting all the significant parameters which characterize a particular test.

The attached tables contain a summary description of the principal tests, together with:

A graphic representation of the physical quantities measured.
An illustrative diagram of the installation of the component.
The operating range of the basic versions and maximum attainable performance.
The principal reference Standards.

HYDRAULIC TESTS

Pressure tests

The pressure tests include:

Leaktightness pressure test with static pressure, adjustable stabilization time, maximum pressure and pressure slopes. Pressure increase by pressure intensifier.
Code: P01
Tests executable in climatized chamber with air temperature adjustable up to 110 °C and with hot water with adjustable temperature up to 95 °C.
Code: PT01 & PT01H
Tests with hot water (up to 95 °C) in circulation by heat exchanger and water circulator.
Code: P01-HC
Software: AQ2TB-STATICAUT
Water hammer test with adjustables frequency, minimun and maximum pressure.
Pressure increase by pressure intensifier.
Code: P02
Tests executable in climatized chamber with air temperature adjustable up to 110 °C and with hot water with adjustable temperature up to 95 °C.
Code: PT02 & PT02H
Software: AQ2TB-PULSEAUT
Pulsing pressure test with water circulation, adjustable working pressure, cycle times and pressure slopes.
Code: P03
Tests executable in climatized chamber with air temperature adjustable up to 110 °C and with hot water with adjustable temperature up to 95 °C.
Code: PT03 & PT03H
Software: AQ2TB-PULSEAUT
Burst test with adjustable pressure slope and stabilization time.
Code: P04
Tests executable in climatized chamber with air temperature adjustable up to 110 °C and with hot water with adjustable temperature up to 95 °C.
Code: PT04 & PT04H
Tests with hot water (up to 95 °C) in circulation by heat exchanger and water circulator.
Code: P04-HC
Software: AQ2TB-STATICAUT

Thermal cycle tests

The thermal cycle tests include:

Constant pressure test with variation of the water supply temperature. Adjustable working pressure, minimum water temperature, maximum water temperature and flow-rate.
Adjustable test chamber temperature.
Standard reference: EN 12293.
Code: TC01
Software: AQ2TB-EN12293
Pulsing pressure test with water supply temperature variation. Adjustable working pressure, minimum water temperature, maximum water temperature and flow-rate.
Adjustable test chamber temperature.
Code: TC02
Hydraulic valves endurance test according to EN 13828 Standard.
Constant pressure tests, variation of the water supply temperature: adjustable working pressure, minimum and maximum water temperature and flow-rate.
Adjustable test chamber temperature.
Control and acquisition of torque and angular speed.
Standard reference: EN 13828.
Code: TC03
Software: AQ2TB-LVALVE

Flow-rate tests

The flow-rate tests include:

Measurement of the flow-rate of the device under test with linear increase of supply pressure.
Exemple of Standards reference: EN 200, EN 817, EN 1111.
Code: F01
Software: AQ2TB-FLOW-LIN
Kv coefficient calculation by mean of linear increase of delta pressure.
Code: F02
Software: AQ2TB-KV-LAB
Life test with constant pressure and flow-rate and water supply temperature variation.
Code: F03
Life test with constant delta-pressure and flow-rate. Variation of water supply temperature.
Code: F04

SANITARY TAPS TESTS

Hydraulic tests for sanitary taps

The tests for sanitary taps include:

Constant pressure leaktightness tests with adjustable pressure, stabilization time and pressure slopes.
Maximum pressure: 25 bar.
Exemple of Standard reference: EN 200, EN 817, EN 1111.
Code: P01
Software: AQ2TB-STATICAUT
Water hammer test with adjustable frequency, minimum and maximum pressure up to 50 bar.
Exemple of Standard reference: NF077 2-3; Classification ECAU.
Code: P02
Software: AQ2TB-PULSEAUT
Measurement of the flow-rate of the device under test with step pressure increase. di alimentazione.
The jump pressure and the number of stpes are adjustable.
Exemple of Standard reference: EN 200, EN 817, EN 1111.
Code: F05
Software: AQ2TB-FLOW-STEP
Measurement of the flow-rate of the device under test with linear increase of supply pressure.
Up to 6 tests can be displayed on the same chart to compare different devices or different positions of the same device.
Exemple of Standards reference: EN 200, EN 817, EN 1111.
Code: F06
Software: AQ2TB-FLOW-LIN
Test of mixed water temperature fidelity and sensitivity by moving the temperature setting device from cold to hot position and returning to initial position.
The fidelity test evaluates the hysteresis of the control device.
The sensibility test evaluates the minimum angular rotation necessary to change outlet water temperature.
Exemple of Standard reference: EN 817, EN 1111.
Code: SF01
Software: AQ2TB-COMBILAB+ / AQ2TB-F+S-DRIVE
Measure of acoustic emission of the hydraulic device under test.
Global evaluation and in bands of frequency of noise generated.
An hydrophone is used to measure the noise emissions.
Standard reference: ISO EN 3822-1, NF S 31-014.
Code: AT01
Software: AQ2TB-NOISE

Thermostatic mixers tests

The tests of thermostatic mixers include:

Test of mixed water stability with changing of supply pressure (hot or cold water). Evaluation of temperature variation during the test and after the restoration of starting pressure. Adjustable pressure jump.
Exemple of Standard reference: NF 077, EN 1111.
Code: PJ01
Software: AQ2TB-COMBILAB+
Test of mixed water stability with changing of supply temperature (hot or cold water). Evaluation of temperature variation during the test and after the restoration of starting temperature. Adjustable temperature jump.
Exemple of Standard reference: NF 077, EN 1111.
Code: TJ01
Software: AQ2TB-COMBILAB+
Test of safety with cold water failure and restoration.
Evaluation of hot water collected after the cold water failure and evaluation of outlet water temperature after the restoration. Times of execution of the test adjustables.
Exemple of Standard reference: NF 077, EN 1111, NHS-D08.
Code: ST01
Software:
AQ2TB-COMBILAB+ / AQ2TB-M-LAB-NF+ / AQ2TB-M-LAB-D08
Test of mixed water stability with flow-rate variation. Evaluation of mixed water temperature during the test.
Exemple of Standard reference: prEN 1111_2006, NF 077.
Code: FV01
Software: AQ2TB-COMBILAB+
Test of override stop for thermostatic mixers. The test consist in a quick rotation of the temperature device control from cold position to hot. Evaluation of maximum mixed temperature and final temperature.
Exemple of Standard reference: prEN 1111_2006, NF 077.
Code: TV01
Software: AQ2TB-COMBILAB+
Test of mixed water temperature fidelity and sensitivity by moving the temperature setting device from cold to hot position and returning to initial position.
The fidelity test evaluates the hysteresis of the control device.
The sensibility test evaluates the minimum angular rotation necessary to change outlet water temperature.
Exemple of Standard reference: NF 077, EN 1111.
Code: SF02
Software: AQ2TB-COMBILAB+ / AQ2TB-F+S-DRIVE

Endurance tests

The endurance tests include:

Endurance tests for single lever mixers with control and acquisition of linear speed, force, angular speed, torque and mixed water temperature.
Life test cycles according to International Standards:
EN 817 cap. 12.1
NF D18-214
ASME A112.18.1-2005/CSA B125.1-05 cap. 5.6.3
Code: ESL01
Software: AQ2TB-LM-817 / AQ2TB-LM-CSA
Endurance test for swivel spouts with control and acquisition of angular speed and torque.
Adjustable water supply temperature.
Exemple of Standard reference:
EN 817 cap. 12.3
NF D18-214
ASME A112.18.1-2005/CSA B125.1-05 cap. 5.6.4
Code: ESS01
Software: AQ2TB-LBM-817 / AQ2TB-LBM-CSA
Endurance test for diverters with control and acquisition of linear speed and force.
Adjustable water supply temperature.
Exemple of Standard reference:: EN 200, EN 817, EN 1111
Code: ED01
Software: AQ2TB-1LD-H&C
Endurance test for flow control devices with control and acquisition of angular position and torque.
Adjustable water supply temperature.
Exemple of Standard reference: EN 817 cap. 12.1
Code: EFC01
Software: AQ2TB-1LV-DRIVE / AQ2TB-2LV-DRIVE
Endurance test for thermostatic mixers with control and acquisition of angular speed an torque.
Exemple of Standard reference: EN 1111 cap. 12.2
Code: ETM01
Software: AQ2TB-2LM-DRIVE
Endurance tests of shower mechanisms with control and acquisition of angular speed and force.
Adjustable water supply temperature.
Exemple of Standard reference:
ASME A112.18.1-2005/CSA B125.1-05 cap. 5.6
Code: ESM01
Software: AQ2TB-1LMSDRIVE