Operating Instructions Quadax Series Butterfly Valves with Actuator Table of contents 0 Introduction 1 Intended use 2 Safety instructions 2.1 General safety instructions 2.2 Safety instructions for the operator 2.3 Particular hazards 2.4 Labeling of the butterfly valve 3 Transport and storage 4 Installation in the pipeline 4.1 General...
9. 1 Intended use Butterfly valves from the QUADAX series are only to be used - following the installation of a pipeline system (between flanges or by welding) and following the connection of the actuator to the controls - to close off or pass on media or to regulate flow within the permitted pressure and temperature limits.
Operating Instructions Quadax Series Butterfly Valves with Actuator It must be ensured that the selected materials for the parts of the valve that come into contact with media must be suitable for the media used. The manufacturer assumes no liability for damages that have been caused by corrosion or aggressive media.
Operating Instructions Quadax Series Butterfly Valves with Actuator If a valve has to be removed from a pipeline: Medium may escape from the line or the valve. In the case of media which are harmful to health or hazardous the pipeline has to be completely empty before the valve is removed.
Operating Instructions Quadax Series Butterfly Valves with Actuator Valves with actuator type “safety position OPEN” The valve disc of short valves protrudes from the housing on both sides. The transport of such valves is only permitted with disassembled actuator and...
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Operating Instructions Quadax Series Butterfly Valves with Actuator Non-observance of these instructions can endanger life and limb and may cause damage to the pipe system. If in doubt, please contact the manufacturer. Butterfly valve with short face-to-face dimension Counter flanges and/or pipe ends have to have a clear span allowing for sufficient space for the opened valve disc, so that the latter is not damaged when being swiveled out.
Operating Instructions Quadax Series Butterfly Valves with Actuator Flanged butterfly valves are to be centered on the counterflange during installation by means of the flange screws before the screws are tightened. Butterfly valves with a short face-to-face dimension partly require screws of a varying length for the connection to the counterflanges.
Operating Instructions Quadax Series Butterfly Valves with Actuator 6 Normal operation and maintenance The valves are to be operated with the signals of the control. Valves which were delivered ex works with the actuator are adjusted for correct operation and should not be re-adjusted as long as the valve is in perfect working order.
Operating Instructions Quadax Series Butterfly Valves with Actuator Retighten both nuts on the stuffing box gland alternately and in small steps of quarter turns each clockwise. If the leakage cannot be remedied in this manner: repair required: Request spare parts and necessary instructions from CO-AX.
Operating Instructions Quadax Series Butterfly Valves with Actuator 9 Further information These operating instructions, the so-called CO-AX brochures and further information – also in other languages – can be obtained here: müller co-ax ag Gottfried-Müller-Str. 1 74670 Forchtenberg Germany Tel. +49 7947 828-0 Fax +49 7947 828-11 www.co-ax.com...
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