LASPAKKINGS

Internally welded to prevent crevice corrosion between weld gasket and flange:
Usual

Welded on the outside allowing post-welding without disassembly:
Only possible with special flanges.

Inclusion possibility radial:
Possible to a small extent, max. delta r=0.3 mm. 

Remove and reassemble (weld):
With grinding wheel, loss approx. 2 mm each time, 2-4 x reusable.

Internally welded to prevent crevice corrosion between welding gasket and flange:
Possibly as an additional fastener. In case of corrosion danger.

Welded externally allowing post-welding without disassembly:
Usable, or as additional attachment.

Recording capability radial:
Barely possible, max. delta r=0.1 mm.

Remove and reassemble (weld):
With grinding wheel, loss approx. 2 mm each time, 3-5 x reusable. 

Internally welded to prevent crevice corrosion between welding gasket and flange:
Possibly as an additional fastener. In case of corrosion danger.

Welded externally allowing post-welding without disassembly:
Usable, or as additional attachment.

Recording capability radial:
Due to small lip small, max. delta r = 5 mm.

Detach and reassemble (weld):
Difficult to loosen, 1-3 x reusable.

Internally welded to prevent crevice corrosion between welding gasket and flange:
Usual.

Welded externally allowing post-welding without disassembly:
Not possible.

Take-up possibility radial:
Depending on wall thickness rounding, max. delta r = 5 mm. 

Detach and reassemble (weld):
With 2 mm disc easily detachable 2-4 times reusable.

Internally welded to prevent crevice corrosion between welding gasket and flange:
Possibly as an additional attachment, interrupted welded.

Welded externally allowing post-welding without disassembly:
Usual. 

Take-up possibility radial:
Depending on wall thickness rounding, max. delta r = 5 mm. 

Detach and reassemble (weld):
With 2 mm disc easily detachable 2-4 times reusable.