Spectron MV3 Series Operating Manual
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Spectron MV3 Series Operating Manual

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Operating Manual
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MV3 valve series

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Summary of Contents for Spectron MV3 Series

  • Page 1 Operating Manual MV3 valve series...
  • Page 2 Operating Manual MV3 valve series GES_MV3_0317.docx...

  • Page 3: Table Of Contents

    Operating Manual MV3 valve series Contents Contents ............................... 3 Introduction ............................4 General information ........................4 Intended use ..........................5 Personnel requirements ......................... 5 For your safety ............................6 Symbols used ..........................6 Essential safety information ......................6 Description............................8 Overview of MV3 valves .........................

  • Page 4: Introduction

    It must not be photocopied, reproduced, translated or copied onto data carriers, either in full or in part, without prior authorisation. All rights reserved. Updates No update service is provided for this Operating Manual by Spectron Gas Control Systems GmbH. Changes may be made to this Operating Manual without prior notification.

  • Page 5: Intended Use

    ISO 11114-1 and -2. Valves of the MV3 series are used to close off and re-open a gas line. Pressure is introduced via the inlet connection (see labelling on the underside of the valve). Appropriate measures must be taken to prevent the introduction of pressure via the outlet connections of the valve.

  • Page 6: For Your Safety

    Operating Manual MV3 valve series For your safety Symbols used Note! Caution! Warning! Danger! Danger! This symbol warns that there is a "risk of fatal injury" or a health hazard for personnel. Essential safety information  Note! The following safety information is intended to supplement the applicable national accident prevention regulations and laws.
  • Page 7 If valves of the MV3 series are used outside the permissible Do not use in ambient temperatures below −30°C or over temperature range, there is a risk of the system +60°C.

  • Page 8: Description

    Operating Manual MV3 valve series Description Overview of MV3 valves Manually operated MV3 valve Pneumatically operated MV3 valve Elements of the MV3 valve series Item Designation Description Valvebody With the respectively labelled inlet and outlet connections Handwheel With integrated (red-green) position indicator Pneumatic drive For controlled valve operation Pneumatic screw fitting...

  • Page 9: Functional Description

    Description Functional description The valves of the MV3 series are shut-off valves which are diaphragm metal-to-metal sealed to the atmosphere and have a polymer seal in the valve seat. They can be configured either as manually or as pneumatically operated valves.

  • Page 10: Operation

    71834353 Caution! Valves of the MV3 series are not labelled with the gas type they are designed for use with. This can be identified, for example, in accordance with ISO 11114-1 and ISO 11114-2, based on the body material and the seal material normally used with it: ...

  • Page 11: Installation

    Operating Manual MV3 valve series Operation Installation Caution! It is essential to check that the connecting threads and connecting surfaces of the MV3 valves and the parts to be connected to them (screw fittings, gaskets, cables, plugs etc.) are in perfect condition.

  • Page 12: Commissioning

    Operating Manual MV3 valve series Operation Commissioning Proceed as follows to put a manually operated MV3 valve into operation:  Slowly (!) turn the handwheel anti-clockwise and slightly against the end resistance. If the valve is equipped with a position indicator (red-green), the colour of the dot on the display will change from red to green as you open the valve.

  • Page 13: Faults

    Operating Manual MV3 valve series Faults Faults/cause Remedy Unintended or uncontrolled leakage Take the gas supply system out of operation and have the of gas from the MV3 valve. MV3 valve inspected by the manufacturer. Increasingly high torque is required The increased torque indicates a defect in the closing mechanism.

  • Page 14: Maintenance, Cleaning And Repairs

    To ensure that the equipment remains in perfect working order and that a constantly high level of operational safety and reliability is maintained, valves of the MV3 series should be inspected by an expert once a year. Regular visual inspections...
  • Page 15 Operating Manual MV3 valve series GES_MV3_0317.docx...
  • Page 16 Spectron Gas Control Systems GmbH Fritz-Klatte-Straße 8 65933 Frankfurt Deutschland / Germany Phone: +49 69 38016-0 Fax: +49 69 38016-200 Email: info@spectron.de Internet: www.spectron.de...

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