Operating instructions

Page 16
ProMinent
®
Product description S2Ba/S2Ca
2.2.3 Functional description, delivery unit
The heart of the liquid end is the multi-layer safety diaphragm (2) patented by ProMinent. It
hermetically seals the delivery chamber of the liquid end (4) and produces a displacement in the
dosing head. The end disc (5) made of chemically-resistant plastic, together with the safety
diaphragm (13) separates the drive housing from the delivery unit and protects the drive from
dust and corrosion. Delivery is based on the interaction between intake valve (1) and head valve
(3) of the same design together with the diaphragm movement. The valve balls can be supported
with springs for metering viscous media.
The connection dimensions of valves and liquid ends of the same size but with different materials
are identical. These parts can be interchanged as required.
Materials and dimensions are specified in Section 3, Technical data.
Fig. 8
61_05-103_00_73-03
44
2
1
5
3
1313
BA_SI_036_06_10_EN.p65 08.06.2010, 11:38 Uhr16