Edition du 29/03/12 6/16 U508113-e Révision 4
5. Description
5.1. Blade-type positive displacement measuring chamber
Measuring apparatus with fixed lids
Measuring apparatus with centered lids
The measuring chamber consists of :
a body (1) in ni-resist cast iron or aluminum IN AC-42200 S T6 (HAVE 7G 06 Y23), made up of 2 cylindrical parts
(2) and (3) of different radii, connected via curves in such a way that the sum of the distances from center point 0
to two points opposite each other on the stator is constant.
A moving part (4) composed of :
. A rotor (5) turning on stainless steel ball bearings (6)
. Graphite blades (7) linked to each other by rods (8)
. 2 steel covers (9) and (10) ( Fixed or centered)
. A seal O’ring (11) for the shaft.
10
6
9
8
4
11
A-A
B-B
5
Centre o
7
3
2
1
9
10
5
