30
11.3 Assembly
The drain line to the drain valve must ensure that no free escape of the
medium into the atmosphere is possible and must be secured against
pressure surges.
•
Firmly screw on drain valve with sealing ring (2) on existing unit.
•
Cutting ring connection:
Assemble pipe ø 12x1 (made of material P235GH)
on site to the screw connection (14) provided in
accordance with DIN 2353. (AF24).
Welding end:
weld on
Flange:
screw on
11.4 Commissioning
Rust, sand or similar impurities inside of the medium or during first flushing can cause
leakage if they remain in the area of the seat.
Purging of valve:
•
Fully open valve for purging. The pre-pressed gland packing can lose its denseness due
to a longer storage (see item 11.4).
•
Close valve.
Danger
