Dembla 7400 Series Manuals

Dembla 7400 Series Manuals

Manuals and User Guides for Dembla 7400 Series. We have 1 Dembla 7400 Series manual available for free PDF download: Instruction Manual

Dembla 7400 Series Instruction Manual

Dembla 7400 Series Instruction Manual (24 pages)

Double Offset Butterfly Valve

Brand: Dembla | Category: Control Unit | Size: 0 MB

Table of Contents

Table of Contents
2
1 Foreword

3
2 Storage & Preservation

3
3 Valve Marking

4
4 Health & Safety

5
5 Unpacking

6
6 Lifting Details

7
7 Installation of Butterfly Valve

9
- Pre-Installation Checks
  9
- Operation
  9
- Lubrication
  9
8 Maintenance

10
9 Replacing Gland Packing

10
- V-PTFE Packing
  11
- Double V-PTFE Packing
  11
- Grafoil Packing
  12
- Double Grafoil Packing
  12
- V-PTFE Low Fugitive Emission Packing
  13
- Grafoil Low Fugitive Emission Packing
  13
10 Replacing Soft Seat

14
- Replacing Guide Bush (Bearings)
  15
- Trouble Shooting
  16
11 Hand Lever Type Manual Operator

16
- Operation
  17
- Removing Hand Lever Operator from the Valve Body
  17
12 Gear Box Type Manual Operator

18
- Operation
  18
- Setting of Gear Box Type Operator
  19
13 Installation of Manual Operator

20
- Fixing / Mounting Hand Lever on Body Set
  20
- Fixing / Mounting Gear Box Type Operator on Body Set
  20
14 Parts Illustrated

21
- Butterfly Valve Assembly Flange: - Size 2" (50Mm) to 6" (150Mm)
  21
- Butterfly Valve Assembly Flange: - Size 8" (200Mm) & 72" (1800Mm)
  22
15 Torque for Studs

23
16 Recommended Spare Parts

23

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