Bray 740 Series Installation, Operation And Maintenance Manual

Bray 740 Series Installation, Operation And Maintenance Manual

Bidirectional knife gate valves

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SERIES 740
BIDIRECTIONAL KNIFE GATE VALVES
Installation, Operation and Maintenance Manual
BRAY.COM
THE HIGH PERFORMANCE COMPANY

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Summary of Contents for Bray 740 Series

  • Page 1 SERIES 740 BIDIRECTIONAL KNIFE GATE VALVES Installation, Operation and Maintenance Manual BRAY.COM THE HIGH PERFORMANCE COMPANY...
  • Page 2: Table Of Contents

    Return Merchandise Authorization 2 of 20 © 2019 BRAY INTERNATIONAL. ALL RIGHTS RESERVED. BRAY.COM The Information contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would violate its proprietary nature without the express written permission of Bray International, Inc.
  • Page 3: Definition Of Terms

    3 of 20 © 2019 BRAY INTERNATIONAL. ALL RIGHTS RESERVED. BRAY.COM The Information contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would violate its proprietary nature without the express written permission of Bray International, Inc.
  • Page 4: Introduction

    Additional information about Series 940 Unidirectional Knife Gate Valve — including application data, engineering specifications, and actuator selection — is available from your local Bray distributor or sales representative. INTRODUCTION The Bray Knife Gate Series 940’s one-piece, cast body design offers rugged performance in applications ranging from general purpose to severe media handling.
  • Page 5: Parts Identification

    14" or larger. 5 of 20 © 2019 BRAY INTERNATIONAL. ALL RIGHTS RESERVED. BRAY.COM The Information contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would violate its proprietary nature without the express written permission of Bray International, Inc.
  • Page 6: Valve Identification

    MAX TEMP 6 of 20 © 2019 BRAY INTERNATIONAL. ALL RIGHTS RESERVED. BRAY.COM The Information contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would violate its proprietary nature without the express written permission of Bray International, Inc.
  • Page 7: Lifting The Valve

    Horizontal Lifting 7 of 20 © 2019 BRAY INTERNATIONAL. ALL RIGHTS RESERVED. BRAY.COM The Information contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would violate its proprietary nature without the express written permission of Bray International, Inc.
  • Page 8: Storage

    Do NOT stack the valves on top of each other. 8 of 20 © 2019 BRAY INTERNATIONAL. ALL RIGHTS RESERVED. BRAY.COM The Information contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would violate its...
  • Page 9: Installation

    9 of 20 © 2019 BRAY INTERNATIONAL. ALL RIGHTS RESERVED. BRAY.COM The Information contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would violate its proprietary nature without the express written permission of Bray International, Inc.
  • Page 10 * Washer Type B Wide 10 of 20 © 2019 BRAY INTERNATIONAL. ALL RIGHTS RESERVED. BRAY.COM The Information contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would violate its proprietary nature without the express written permission of Bray International, Inc.
  • Page 11 11 of 20 © 2019 BRAY INTERNATIONAL. ALL RIGHTS RESERVED. BRAY.COM The Information contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would violate its...
  • Page 12: Replacement Of The Chest Liner

    12 of 20 © 2019 BRAY INTERNATIONAL. ALL RIGHTS RESERVED. BRAY.COM The Information contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would violate its proprietary nature without the express written permission of Bray International, Inc.
  • Page 13: Lockout

    CAUTION Once the lockout pins are in place in the lockout brackets, any Bray actuated valve MUST be placed in a “De-energized state” by isolating the supply air / hydraulic fluid / electricity.
  • Page 14: Packing Replacement | Manual Valves

    14 of 20 © 2019 BRAY INTERNATIONAL. ALL RIGHTS RESERVED. BRAY.COM The Information contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would violate its...
  • Page 15: Packing Replacement | Cylinder Operated Valves

    15 of 20 © 2019 BRAY INTERNATIONAL. ALL RIGHTS RESERVED. BRAY.COM The Information contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would violate its...
  • Page 16 Do not over-tighten the gland nuts. 16 of 20 © 2019 BRAY INTERNATIONAL. ALL RIGHTS RESERVED. BRAY.COM The Information contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would violate its proprietary nature without the express written permission of Bray International, Inc.
  • Page 17: Seal Replacement

    30 mm 17 of 20 © 2019 BRAY INTERNATIONAL. ALL RIGHTS RESERVED. BRAY.COM The Information contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would violate its proprietary nature without the express written permission of Bray International, Inc.
  • Page 18: Troubleshooting

    Loosen packing. 18 of 20 © 2019 BRAY INTERNATIONAL. ALL RIGHTS RESERVED. BRAY.COM The Information contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would violate its proprietary nature without the express written permission of Bray International, Inc.
  • Page 19: Return Merchandise Authorization

    Declaration of Decontamination are required. 19 of 20 © 2019 BRAY INTERNATIONAL. ALL RIGHTS RESERVED. BRAY.COM The Information contained herein shall not be copied, transferred, conveyed, or displayed in any manner that would violate its proprietary nature without the express written permission of Bray International, Inc.
  • Page 20: 2019 Bray International. All Rights Reserved. Bray.com The Information Contained 2 Of

    FIND A REPRESENTATIVE NEAR YOU AT All statements, technical information, and recommendations in this bulletin are for general use only. Consult Bray representatives or factory for the specific requirements and material selection for your intended application. The right to change or modify product design or product without prior notice is reserved.

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