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The Gallus 2000 uses the positive displacement diaphragm
principle. Its design consists of a twin-chamber diaphragm-measuring unit. The
twin chambers are each fitted with a flexible and gastight diaphragm which move
by the differential inlet and outlet pressure. A transmission system with a
rotating mono-valve, and a valve system, transfer the reciprocating motion,
driving the mechanical retrofittable index. The whole measuring system is
contained in a robust gastight casing. The construction and the operation design
of this meter make the Gallus 2000 an extremely reliable and accurate product. |
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