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MODEL-1
Kerotest MODEL-1 Gate Valve Manuals
Manuals and User Guides for Kerotest MODEL-1 Gate Valve. We have
2
Kerotest MODEL-1 Gate Valve manuals available for free PDF download: Operation Manual, Installation, Operation And Maintenance Manual
Kerotest MODEL-1 Installation, Operation And Maintenance Manual (30 pages)
GATE VALVE
Brand:
Kerotest
| Category:
Control Unit
| Size: 2 MB
Table of Contents
Table of Contents
1
Scope
3
Product Description and Features
3
Figure 1: Model 1 Pressure-Temperature Chart
3
Cautions and Warnings
4
Valve Identification
4
Valve Components
4
Table 1: Valve Specifications
5
Figure 2: Valve Components
5
Figure 3: Design Changes
5
Accessories
6
Handwheel
6
Locking Device
6
Table 2: Handwheel Options
6
Coating
7
Figure 4: Locking Device
7
Factory Testing
8
Table 3: Minimum Test Parameters
8
Storage, Handling, and Installation
9
Storage
9
Handling
9
Installation
9
General Notes on Installation
9
Screwed End Valves
9
Socket Weld End Valves
10
Flanged End Valves
10
Butt Weld End Valves
11
Butt Weld End X Flange End Valves
11
Figure 5: Bolt Torquing Pattern Examples
11
Operation
12
General Valve Operation
12
Operating Torque
12
Critical Torque
12
Table 4: Valve Torque Values
12
Pressure Drop
13
Repair Service
13
Shut-Off or Seat Leak
13
Clearing Internal Debris
13
Body and Wedge Seating
13
Table 5: Pressure Drop and CV
13
External Stem Packing Leak
14
Packing Shim Installation under Pressure
14
Repacking a Valve with Zero Pressure
15
Table 6: Gland Cap Screw Torque Values
16
Table 7: Packing Repair Part Numbers
16
Table 8: Packing Repair All-Thread Studs
17
Figure 6: Valve Packing Components
17
External Bonnet Seal Leak
18
Sealing a Bonnet Leak with Zero Pressure
18
Sealing a Bonnet Leak under Pressure
18
Table 9: Bolt Replacement Support Clamps
19
Table 10: Bonnet Cap Screw Torque Values
19
Figure 7: Support Clamp Installations
19
Figure 8: Teflon Rope Installation Diagram
20
Figure 9: All-Thread Installation Diagram
20
Table 11: Bonnet Gaskets
21
Table 12: Bonnet Cap Screws
21
Broken Stems
22
Valve Operation with Broken Stem
22
Stem Repair
22
Service Parts Ordering Procedure
23
Table 13: Broken Stem Repair Kit Part Numbers
23
Figure 10: Broken Stem Repair
23
Appendix A: Broken Bolt Removal
24
Information and Background
24
Model-1 Bolt Removal Procedure
24
Figure 11: Bonnet Broken Bolt Diagram
24
Table 14: Bonnet Bolt Removal Chart
25
Table 15: 72631146 Repair Kit Components
25
Appendix B: Bonnet Screw Tightening Procedure
26
Incremental Tightening Procedure
26
Cross-Pattern Tightening Sequences
26
Table 16: Cross-Pattern Tightening Sequences
26
Figure 12: Example Pattern for 12-Bolt Tightening Sequence
27
Appendix C: Model-1 - Nps 1 and 1 ¼ Bolt Replacement Fixture for Field Service Repair
28
Figure 13: Bolt Replacement Instructions (1 of 2)
28
Figure 14: Bolt Replacement Instructions (2 of 2)
29
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Kerotest MODEL-1 Operation Manual (48 pages)
Gate valve
Brand:
Kerotest
| Category:
Control Unit
| Size: 0 MB
Table of Contents
Revision Sheet
2
Valve Components
4
Valve Installation
7
Pressure Drop
30
Valve Operation
31
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