Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water -- Unsintered PTFE tapes
This document specifies requirements and test methods for unsintered polytetrafluorethylene (PTFE) tapes and polytetrafluorethylene (PTFE) strings (PTFE tapes or PTFE strings, for short) which are suitable for sealing threaded metallic joints as specified in EN 10226-1:2004.
This document covers two classes of PTFE tapes and PTFE strings suitable for fine (F) and coarse (G) threads.
The PTFE tapes and PTFE strings are used as sealing materials for metallic threaded joints in contact with:
The maximum working pressure covered in this document is 2000 kPa which is relevant to LPG storage.
The temperature range is limited to −20 °C to 125 °C.
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