Improper Use; Product Overview And Dimensions - Grundfos DDA Instrucciones De Instalación

4.3 Improper use

• DSS systems are not intended for dosing explosive, gaseous,
highly viscous, solid media, or media containing abrasive or
long-fibred particles.
• DSS systems are not intended for operation in other
conditions than specified in the agreement with the customer
or described in section
5. Technical
Warning
Any improper use can lead to personal injury and
damage to the equipment.
Observe the freezing and boiling points of the dosing
Note
Note
medium at operating pressure. Observe the
temperatures specified.
The operational safety of the product is only guaranteed, if it is
used in accordance with section
• The product must not be used for media that are not specified
in the agreement between Grundfos and the customer.
• The product must not be used in potentially explosive areas.
• The product must not be used in food-processing systems.
• The product must not be used if it is damaged.
• The product must not be used after improper repair.
• The product must not be used after unauthorized modification.
data.
4.2 Intended use.

4.4 Product overview and dimensions

w
5
d
16
13
12 11
10
8
7
9
6
Fig. 1 Example of a DSS system
Pos. Description
1 Inlet isolating valve
2 Y strainer
3 Calibration column valve
4 Calibration column
5 Pump inlet isolating valve
6 Dosing pump
7 Pressure relief valve
8 Pump outlet isolating valve
9 Bleed valve
10 Pressure gauge with diaphragm gauge guard
11 Pulsation dampener
12 Back pressure valve
13 Outlet isolating valve
14 Isolating valve
15 Return to tank valve
16 Nameplate
17 Junction box or Control panel (optional)
5
2
1
17
15
14
8
h
7
4
3
7