9
(1)
(2)
(2.1)
(2.2)
(2.3)
(3)
(3.1)
(3.2)
(4)
(5)
(6)
(A)
(D)
(W)
Connection studs
Standpipe
Float
Sealing
Cover flange
Flap indicator
Bolt spring
Stop clamp
Magnetic switch
(optional)
Primary element MRK-…
(optional)
Plug
Drain valve (optional)
Upper shutoff valve
Lower shutoff valve
6. Assembly
Take care that connection of shutoff valves (W+D) is made with a
horizontally orientated spindle. The arrow on the valve indicates the
flow direction and must point towards the standpipe (2).
Check mating dimensions between instrument nozzle and boiler
nozzle.
Make sure that there are no magnetic materials or magnetic field
generators in close proximity of the standpipe (within 100 mm).
6.1 Version with flange
Respect installation position!
Remove protection caps from connection flanges. Caps
only
serve as
transport protection.
Ensure that sealing surfaces are clean and undamaged.
Use sealing material as per EN1514 and screws as per DIN2510 or DIN974
(material 1.7709).
Mount magnetic level gauge.
6.2 Version with welding end
Respect installation position!
Remove protection caps from connection flanges. Caps
only
serve as
transport protection.
Summary of Contents for NA7-50
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