Edwards PVEK Series Instruction Manual
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Edwards PVEK Series Instruction Manual

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C411-02-880
Issue J
Instruction Manual
PVEK Valves
Original instructions

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Summary of Contents for Edwards PVEK Series

  • Page 1 C411-02-880 Issue J Instruction Manual PVEK Valves Original instructions...
  • Page 2 This page has been intentionally left blank.
  • Page 3 Declaration of Conformity Edwards Limited, Crawley Business Quarter, Manor Royal, Crawley, West Sussex, RH10 9LW, UK declare under our sole responsibility, as manufacturer and person within the EU authorised to assemble the technical file, that the product(s) Right-Angled Valves: PV10EKA (220 V) C411-01-000...
  • Page 4 The relevant technical documentation has been compiled in accordance with Annex VII Part B. In response to a reasoned request by the national authorities, Edwards Ltd undertakes to provide relevant information on the partly completed machinery (via email).

  • Page 5: Table Of Contents

    Service ........................23 Spares ........................23 Accessories ....................... 24 For return of equipment, complete the HS Forms at the end of this manual. © Edwards Limited 2013. All rights reserved. Page i Edwards and the Edwards logo are trademarks of Edwards Limited.
  • Page 6 Performance, operating and storage conditions ..............5 Electrical data ......................6 Mechanical data ......................6 Fault finding ......................20 Spares ........................23 Page ii © Edwards Limited 2013. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 7: Introduction

    Introduction Scope and definitions This manual provides installation, operation and maintenance instructions for the Edwards range of PVEK valves. You must use the valves as specified in this manual. Read this manual before you install and operate the valve. Important safety information is highlighted as WARNING and CAUTION instructions;...

  • Page 8: Pvek Valve (Pv10Ek Right-Angled Valve Shown)

    Figure 1 - PVEK valve (PV10EK right-angled valve shown) 1. Position indicator socket 2. Electrical supply socket 3. Valve-body 4. Valve-port 5. Valve-port 6. Mounting holes 7. Electrical-box Page 2 © Edwards Limited 2013. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 9: Construction

    The valve is closed by de-energising the solenoid coil. When the outer winding is de-energised, the action of the spring provides rapid positive closure. © Edwards Limited 2013. All rights reserved. Page 3 Edwards and the Edwards logo are trademarks of Edwards Limited.
  • Page 10 C411-02-880 Issue J This page has been intentionally left blank. Page 4 © Edwards Limited 2013. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 11: Technical Data

    Mean time to failure (cycles) > 5 x 10 > 5 x 10 > 1.3 x 10 > 1.3 x 10 © Edwards Limited 2013. All rights reserved. Page 5 Edwards and the Edwards logo are trademarks of Edwards Limited.
  • Page 12 The electrical supply connector and the microswitch connector must be connected using the gasket supplied, and the correct cable diameters must be used, in order to meet the requirements of IP55. Page 6 © Edwards Limited 2013. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 13: Right-Angled Valve Dimensions

    C411-02-880 Issue J Figure 2 - Right-angled valve dimensions Figure 3 - In-line valve dimensions © Edwards Limited 2013. All rights reserved. Page 7 Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 14: Product Item Numbers

    C416-13-000 PV25EKS Valve (220 V) C416-32-000 PV25EKS Valve (110 V) C416-33-000 PV40EKS Valve (220 V) C416-53-000 PV40EKS Valve (110 V) C416-54-000 Page 8 © Edwards Limited 2013. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 15: Installation

    In order to comply with EN61010, the valve must be connected to a suitable 2 pole circuit breaker which is labelled appropriately and mounted in close proximity, within easy reach of the operator. © Edwards Limited 2013. All rights reserved. Page 9 Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 16: Electrical Connectors

    2. Sealing-gland 3. Connector block 4. Electrical supply socket 5. Socket retaining screw 6. Cable strain-relief nut 7. Position indicator socket Page 10 © Edwards Limited 2013. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 17: Electrical Supply Connections

    C411-02-880 Issue J Figure 5 - Electrical supply connections 1. Live 2. Neutral 3. Earth (ground) © Edwards Limited 2013. All rights reserved. Page 11 Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 18: Fit Your Own Electrical Supply Cable

    6. Refer to Table 2 information on the correct cable diameter. Do not use the terminal marked with the earth (ground) symbol. Page 12 © Edwards Limited 2013. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.
  • Page 19 Ensure that the sockets mate with the corresponding pins labelled on the electrical-box. Figure 6 - Position indicator connections 1. Normally closed 2. Normally open 3. Common 4. Not used © Edwards Limited 2013. All rights reserved. Page 13 Edwards and the Edwards logo are trademarks of Edwards Limited.
  • Page 20 C411-02-880 Issue J This page has been intentionally left blank. Page 14 © Edwards Limited 2013. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 21: Operation

    If it is essential to know the state of the valve for safety reasons, use additional indicators, such as pressure gauges in the pipelines on each side of the valve. © Edwards Limited 2013. All rights reserved. Page 15 Edwards and the Edwards logo are trademarks of Edwards Limited.
  • Page 22 C411-02-880 Issue J This page has been intentionally left blank. Page 16 © Edwards Limited 2013. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 23: Maintenance

    If the valve has overheated, ensure that you observe the appropriate safety precautions to prevent contact with the seals and ‘O’ rings. © Edwards Limited 2013. All rights reserved. Page 17 Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 24: Dismantle And Inspect The Valve

    4. Fit the bellows assembly into the actuator-case; ensure free movement of the pole-piece in the actuator-case. 5. Reassemble the valve as described in Section 5.2. Page 18 © Edwards Limited 2013. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 25: Sectional View Of Pvek Valve

    6. Coil 7. Bellows/pole-piece assembly 8. Actuator housing 9. Retaining screw 10. Valve-body ‘O’ ring 11. Valve-body 12. Valve-pad ‘O’ ring © Edwards Limited 2013. All rights reserved. Page 19 Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 26: Replace The Valve-Body And Pad 'O' Rings

    ‘O’ ring and seating groove (see Section 5.2). Refinish and/or replace as necessary. Is there a bellows leak? Replace the bellows/pole-piece assembly (see Section 5.3). Page 20 © Edwards Limited 2013. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 27: Storage And Disposal

    Fluoroelastomers which may have been subjected to temperatures above 260 °C (see Section 5.1.2).  Components which have been contaminated with dangerous process substances.  © Edwards Limited 2013. All rights reserved. Page 21 Edwards and the Edwards logo are trademarks of Edwards Limited.
  • Page 28 C411-02-880 Issue J This page has been intentionally left blank. Page 22 © Edwards Limited 2013. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

  • Page 29: Service, Spares And Accessories

    The majority of these centres employ Service Engineers who have undergone comprehensive Edwards training courses. Order spare parts and accessories from your nearest Edwards company or distributor. When you order, please state for each part required: Model and Item Number of your equipment ...

  • Page 30: Accessories

    C411-02-880 Issue J Accessories Electrical supply cable accessory C411-01-090 Page 24 © Edwards Limited 2013. All rights reserved. Edwards and the Edwards logo are trademarks of Edwards Limited.

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