Vag CEREX 300-L Operation & Maintenance Instructions Manual

Vag CEREX 300-L Operation & Maintenance Instructions Manual

Butterfly valve

Advertisement

Quick Links

Operation and Maintenance Instructions
VAG CEREX
300 Butterfly Valve
®
VAG CEREX
300-W Butterfly Valve
®
VAG CEREX
300-L Butterfly Valve
®
Edition 7 - 13-12-2017

Advertisement

Table of Contents
loading

Summary of Contents for Vag CEREX 300-L

  • Page 1 Operation and Maintenance Instructions VAG CEREX 300 Butterfly Valve ® VAG CEREX 300-W Butterfly Valve ® VAG CEREX 300-L Butterfly Valve ® Edition 7 - 13-12-2017...
  • Page 2: Table Of Contents

    Table of Contents General VAG reserves the right to make technical changes and use materials of similar or better quality without express no- 1.1 Safety tice. The pictures are non-binding. 1.2 Proper use 1.3 Identification Transport and Storage 2.1 Transport 2.2 Storage...
  • Page 3: Safety

    These Operation and Maintenance Instructions must be observed uct-related documentation (KAT-A 1331). and applied at all times along with the general “VAG Installation and Operation Instructions for Valves” (see www.vag-group.com / For any deviating operating conditions and applications, the man- Category: Installation and Operation Instructions).
  • Page 4: Storage

    +5° C before installation and before it is put into operation. Product features 3.1 Features and function description VAG CEREX 300 Butterfly Valves are always used for shutting off ® the medium. Figure 1: Transport position VAG Operation and Maintenance Instructions • 4...
  • Page 5: Applications

    As a standard, the valve is supplied in the following types: tation limits must be observed. WAFER-Type: The operational limits can be calculated either using the VAG UseCAD or the following calculation rules: ® • For insertion between pipeline flanges...
  • Page 6: Kv Values (Valve Fully Open)

    In case a valve is used in continuous control operation, the opera- tion limits need to be coordinated in consultation with VAG be- Make sure that the valve is installed into the pipeline as stress- fore the valve is ordered and/or installed.
  • Page 7: Installation Location

    If you want to open a valve serving as an end-of-line valve in a diameter of the sealing face of the profiled seal. This is the only pressurised pipeline, please do so with the utmost care to prevent way to ensure that the body of the VAG CEREX 300 Butter-fly ®...
  • Page 8: Installations In The Pipeline Upstream And Downstream Of The Valve

    If the valve is installed in the open, it must be protected against prevent malfunction. extreme atmospheric influences (e.g. formation of ice etc.) by ad- • Directly upstream of (3 x DN) and downstream of (3 x DN) a VAG equate covers. CEREX Butterfly Valve an inspection valve, an elbow, T-pieces ®...
  • Page 9: Installation Position

    If you intend to install valves of larger nominal diameters with the If the valve is used in media containing solid matter or in which disk shaft in vertical position, please consult VAG before you order sedimentation may occur, we also recommend installing the valve and/or install the valve.
  • Page 10: Assembly Instructions And Fittings

    VAG does not assume any liability for consequential damage caused by dirt, shot-blasting gravel residue etc. Flange bolts should be fastened evenly and crosswise. This en-...
  • Page 11: Actuators

    “OPEN” and “CLOSE” served. must be adapted to the valve. When the items are delivered, the adjustment screws and the VAG Operation and Maintenance Instructions • 11...
  • Page 12: Maintenance And Repair

    Valve related train- operation, check all connections for tightness. Perform the steps ing courses can be undertaken by VAG Service employees. described for initial set-up as described under Section 5 “Set-up and operation”.
  • Page 13: Inspection And Operation Intervals

    • O-ring of driven shaft • Washer 14301 Seeger circlip ring 14310 • O-ring of cover side • 6 (> DN 200 Securing screw A2-70 PN 16) Figure 13: Design and spare parts VAG Operation and Maintenance Instructions • 13...
  • Page 14: Trouble-Shooting

    Seat of the valve polluted by deposits Flush valve, dismantle, if necessary, and clean seat area High operating forces Valve is dry in pipeline, no medium Valve can be operated more easily when wet present VAG Operation and Maintenance Instructions • 14...
  • Page 15 info@vag-group.com...

This manual is also suitable for:

Cerex 300-w

Table of Contents