Standard for manufacture and use EN 10242:1994
Identification: In accordance with the material chosen for the manufacture and thread type, Td fittings are defined as “A” class fittings indicating the following. 1 – 1- They are made of high quality B 350 -10 black tempered cast iron 2 – 2- Threads are opened according to ISO 7/1; i.e. parallel internal thread (Rp) and tapered external thread (R)
APPLICATION: All Td fittings are suitable for the transmission of gas, steam and compressed air up to 25 bar, at temperatures up to 120°C or in the temperature range of 120°C–300°C below 20 bar.
DIMENSIONS: All Td fittings are manufactured to EN 10242 standard specifications.
CHECK: All Td fittings are checked for compliance with the EN 10242 standard specifications.
MARKING: All Td fittings are marked with the Td brand and/or nominal size designations whenever possible.
TIGHTNESS TEST: With the application of the EN 10424 standard, each Td fitting, min. It is tested under a minimum hydrostatic pressure of 20 bar, equal to 5 bar pneumatic pressure.