Flange Connection - GF 514 Betriebsanleitung

Operating Instructions
WARNING!
Connection of incompatible materials!
Risk of injury and/or damage to property due to leakage of the piping system because of connections of different, mutually incompa-
tible materials.
► Only identical materials may be joined together by means of fused and bonded joints.
► Pipeline sections with bonded joints must be flushed with water without pressure as soon as possible after the joints have been
completed.
4.2.3 Fused joint
PP-H, PP-N, PVDF, PVDF-HP - Types 514, 515, 519
Only join identical materials (see chapter "Jointing technology" in GF Planning Fundamentals Industry).
WARNING!
Connection of incompatible materials!
Risk of injury and/or damage to property due to leakage of the piping system because of connections of different, mutually incompa-
tible materials.
► Only identical materials may be joined together by means of fused and bonded joints.
► Pipeline sections with bonded joints must be flushed with water without pressure as soon as possible after the joints have been
completed.
4.2.4

Flange connection

All materials with Valve body type 517
For the tightening torques of the screws, refer to the relevant chapters of the GF Planning Fundamentals Industry.
CAUTION!
Leaking flange connection!
Danger of injury and/or material damage due to leaks in the piping system.
► Periodic check that no media escapes to the outside.
► If media is exiting at the flange connections, they have to be retightened.
CAUTION!
Contaminated jointing faces!
Risk of injury from contact with medium due to leaking connections.
► Protect jointing faces and connection parts from damage and poisoning, especially from hard or sharp-edged particles.
Diaphragm valve type 514, 515, 517, 519
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