Hawle HAWIDO 1403, Руководство пользователя

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A. Description
1. Function
The pressure relief valve maintains constant a pre-set inlet pressure (p1). Any excess system pressure is
relieved by fast opening of the valve. The closing procedure is slow in order to avoid shock pressure loads.
Variable flow rates have no effect on the maintained pressure which is regulated by the control valve. The
overpressure or maintained pressure of the standard version can be set within the range of 1.5 bar to 12 bar.
The valve is opened (started up) or closed via the electric solenoid valve.
Technical features:
Medium: Drinking water
Pressure stages: PN 10 (from DN 200 Standard)
PN16 (up to DN150 Standard)
PN25
Flanges: Connection dimensions according to DIN EN 1092 - -2
Pressure gauge EN 837-1, Accuracy class 1.6
Main valve material: EN-GJS-400-15
Temperature range: 2
– 40 °C
2. General safety instructions
These instructions must be read through carefully and understood before starting the commissioning.
Damage to property and injuries to persons could occur as a result of improper installation, commissioning,
operation and maintenance.
The Hawle regulating valve (HAWIDO) has been designed for use in drinking and process water supplies.
Other application media only after consultation with the manufacturer.
The technical regulations (e.g. SVGW, ÖVGW, DVGW...) and codes of practice (e.g. VDE, VDI ...), laws and
standards are taken as a minimum standard, and must be adhered to and applied.
Work on electrical installations (e.g. installation of magnetic position switches, solenoid valves, etc.) may only
be carried out by personnel authorised for this work.
In principle, the responsibility for the layout, the installation position, the installation and the commissioning of
the fittings in the pipe work lies with the designer, the installation company and/or the operator. Design or
installation errors can adversely affect the safe operation of the regulating valve, and can represent a
significant risk. Please consult us in case of doubt.