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Kerotest WELDBALL Manuals
Manuals and User Guides for Kerotest WELDBALL. We have
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Kerotest WELDBALL manual available for free PDF download: Installation, Operation And Maintenance Manual
Kerotest WELDBALL Installation, Operation And Maintenance Manual (17 pages)
Brand:
Kerotest
| Category:
Control Unit
| Size: 1 MB
Table of Contents
Table of Contents
1
Introduction
3
Scope
3
References
3
Environmental, Health, and Safety
3
Warnings and Symbols
3
Risks
3
Product Description and Features
3
Identification and Markings
4
Caution Tag
4
Valve I.D. Tag (Sample)
4
Figure 1 P-T Chart
4
Figure 2 Caution Tag
4
Figure 3 Valve I.D. Tag
4
Factory and Field Applied Coatings
5
Unloading and Storage
5
Figure 4 Lifting the Valve
5
Valve Installation
6
General Considerations for Valve Installation
6
Installation of Valve with Welded Connections
6
Figure 5 Horizontal Installation
6
Figure 6 Vertical Installation
6
Installation of Valve with Flanges
7
Figure 7 Welding in Vertical Position
7
Figure 8 Welding in Vertical Position
7
Figure 9 Welding in Horizontal Position
7
Installation of Valve with Screwed Ends
8
Installation at the End of Pipeline
8
Figure 10 Bolt Torquing Pattern Examples
8
Figure 11 Do Not Use at the End of a Pipeline
8
Figure 12 End of Pipeline Pup and Cap
8
Pressure Testing
9
Operation
9
General Valve Operation
9
Operating Torque and Critical Torque
9
Table 1 Operating and Critical Torque by Valve Size
9
Troubleshooting
10
Valve Shut-Off
10
Valve Packing Leakage
10
Maintenance
10
Recommended Periodic Preventative Maintenance
10
Gear Operator Removal
10
Gear Operator Reinstallation
11
Gear Operator Adjustment
11
Figure 13 Manual Gear Adjustment
11
Stem Seal O-Ring Replacement
12
Table 2 Stem Seal Repair Kits
12
Figure 14 Stem Seal
12
Replacing Operating Square with Gear Operator on Nps 6 Fp / 8 Rp Valves
13
Figure 15 Operating Square Components
13
Components
14
Figure 16 Weldball Components
14
Physical Specifications
15
Table 3 Valve Dimensions, Weight, and CV
15
Factory Testing
16
Table 4 Minimum Test Pressure and Durations
16
Document Revision History
17
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