•
Wear appropriate protective equipment in accordance with
national health and safety regulations when working at the
system and handling chemicals.
1.4 Safety of the system in the event of product failure
If the product fails, the safety of the overall system must be
ensured. Use appropriate monitoring and control functions.
WARNING
Toxic material
Death or serious personal injury
‐
Make sure that leaking chemicals do not cause per-
sonal injury or damage to property.
‐
Make sure that leak monitoring solutions and drip trays
are installed.
1.5 Working with chemicals
WARNING
Toxic material
Death or serious personal injury
‐
Wear personal protective equipment when handling
chemicals.
‐
Observe the chemical manufacturer's safety data
sheets (SDS) and safety instructions of the used
chemicals.
‐
Observe the local regulations.
Make sure that parts in contact with the chemicals are re-
sistant to the chemicals under the specific operating con-
ditions.
When working with chlorine, see also the guidelines "Han-
dling chlorine" on Grundfos Product Center:
net.grundfos.com/qr/i/96681297
2. Product introduction
2.1 Intended use
The VGA-117 dosing regulator is exclusively designed for dosing
chlorine gas into a vacuum line.
2.1.1 Improper use
Operational safety is only guaranteed, if the product is used
correctly. All operating methods conflicting with correct usage are
not permitted, and lead to the expiry of all liability claims.
WARNING
Toxic material
Death or serious personal injury
‐
Unauthorised structural modifications to the product
may result in serious damage to the equipment and
personal injury.
‐
Do not open, modify, bridge, remove, bypass or disa-
ble components, especially safety equipment.
2.2 Product overview
5
3
2
4
1
TM079619
VGA-117 dosing regulator without differential-pressure regulator,
without and with servomotor
7
6
3
5
4
2
1
TM080247
VGA-117 dosing regulator with differential-pressure regulator, with
servomotor
Pos. Component
1
Servomotor (option)
2
Adjusting knob with rate valve for setting the dosing flow
3
Connection for the vacuum line (to the injector)
4
Flowmeter indicating the dosing flow
5
Connection for the vacuum line (from the vacuum regula-
tor)
6
Differential-pressure regulator
7
Vacuummeter
5
English (GB)
Summary of Contents for Vaccuperm VGA-117
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