PRELIMINARY

Which standard: ISO 594/1 or ISO 594/2?
Both ISO 594/1 and ISO 594/2 have the same Luer 6%-taper male conical fitting. ISO 594/1 identifies the requirements of the Luer 6%-taper male conical fitting for both standards. ISO 594/2 adds a permanently connected internally threaded collar. ISO 594/1 also defines the gage to test the Luer 6%-taper male conical surface for size in Figure 3c.

 

PROCEDURE

The following data is extracted from ISO 594/1 and expanded for further clarification.

5.1 Gauging Test: The procedure shall be carried out as specified below in 5.1.1 to 5.1.4.

5.1.1 Carry out the test using steel gauge as illustrated in ISO 594/1 Figure 3c.

5.1.2 Carry out the test at a temperature of 20°C +/-5°C.

5.1.3 Prior to testing, condition products made from hygroscopic materials at 20°C +/-5°C and 50% +/-10% relative humidity for not less than 24 hours. Conditioning is not required for products made from non-hygroscopic materials.

5.1.4 Apply the gauge to the conical fitting with a total axial force of 5 Newtons, without the use of torque. The ISO 594 Test Assembly Machine can be used to apply the gage to the test fitting. Remove the axial load.

4.1.2 Gauging test results:

a. The plane of the maximum diameter at the opening of the female conical fitting shall lie between the two limit planes on the gauge.

b. Rocking shall not be evident between the gauge and rigid material fitting undergoing test. This test for freedom from rocking may also be found useful (not required) for evaluating semi-rigid fittings.