HYDROCAL 1001+ Installation and operation manual Page 9/76
2.3.4.2. Thread sealant
As a thread sealant we recommend the two Henkel products LOCTITE
®
7471 (activate) and
LOCTITE
®
577 (seal and fix) in combination. The activator LOCTITE
®
7471 is used to increase the
rate of cure and is applied before the actual thread adhesive LOCTITE
®
577 is applied on 3 to 4 turns
of the external thread of the HYDROCAL connection unit.
2.3.4.3. Flat sealing (gasket)
When using a fitting with union nut the sealing and locking of the threaded connection with thread
seal tape or thread sealant is not necessary anymore. In this case the gasket serves as sealing and
the union nut as fixation of the connection.
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