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Edward 7507Y
Flowserve Edward 7507Y Manuals
Manuals and User Guides for Flowserve Edward 7507Y. We have
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Flowserve Edward 7507Y manual available for free PDF download: Maintenance Manual
Flowserve Edward 7507Y Maintenance Manual (51 pages)
Pressure-Seal Valves
Brand:
Flowserve
| Category:
Control Unit
| Size: 0.58 MB
Table of Contents
Table of Contents
2
Key to Illustrations
3
Pressure-Seal Valve Figure Numbers
3
Introduction
3
Type I
4
Type II
5
Type III
6
Type IV
7
Valve Bonnet Types
4
Description of Pressure-Seal
4
Service Problems
8
Packing Chamber Leak
8
Packing Recommendations
8
Pressure-Seal Gasket Leaks
10
Pressure-Seal Leak
10
Seat and Disk Joint Leaks
10
Body Wall Leaks
12
Objectionable Vibration, Noise or Excessive Pressure Drop
12
Valve Lubrication
12
Repair Procedures
13
Valve Body Repairs
13
Body Bore Gasket Seal Area Repair
13
Body Bore Guide Rib Repair
13
Seat and Disk Repair
14
Body Wall Repair
15
Valve Component Repair
15
Disk-Piston Assembly Repair
15
Bonnet or Cover Repair
16
Welding Rod Recommendations
16
Field Repair Equipment
17
Disassembly Procedures for Pressure-Seal Valves
18
Introduction
18
First Determine the Area of Failure
18
Disassembly Procedures for Impactor Handles and Handwheels
20
Non-Ball Bearing Impactor
20
Handles and Handwheels
20
Ball Bearing Impactor Handwheels
21
Procedures for Removing Limitorque Operators from Valve Yokes
22
Revolving Stem Valves or Non-Revolving Stem Valves with Torque-Only Units
22
Non-Revolving Stem Valves with Torque and Thrust Units
23
Procedures for Setting Actuator Torque and Limit Switches
24
Limitorque Limit Switch and Torque Switch Setting Procedures
24
Geared Limit Switch
24
Torque Switch
25
Single Torque Switch
25
Double Torque Switch
25
Torque Switch Setting
26
Disassembly Procedures for Yoke Assemblies
27
Revolving Stem Valves with Type I Bonnets
27
Revolving Stem Valves with Type II Bonnets
28
Non-Revolving Stem Valves with Type II or III Bonnets
28
Valves with Type IV Bonnets
28
Procedures for Removing Operator and Yoke Assembly as a Unit
29
Revolving Stem Valves with Type I Bonnets
29
Revolving Stem Valves
29
With Type II Bonnets
29
Non-Revolving Stem Valves with Type II, III or IV Bonnets
30
Disassembly Procedures for Bonnet Types
31
Type I Pressure-Seal Bonnets - Stop and Stop-Check (Non-Return) Valves
31
Piston-Lift Check Valves
32
Type II Pressure-Seal Bonnets - Stop and Stop-Check (Non-Return) Valves with Revolving Stems
33
Stop and Stop-Check (Non-Return) Valves with Non-Revolving Stems
34
Type III Pressure-Seal Bonnets - Stop and Stop-Check (Non-Return) Valves
36
Piston-Lift Check Valves
37
Tilting Disk Check Valves
38
Type IV Pressure-Seal Bonnets - Stop and Stop-Check (Non-Return) Valves
39
Piston-Lift Check Valves
41
Assembly of Composite Pressure-Seal Gaskets
42
Reassembly Procedures for Metal Pressure-Seal Valves
43
Introduction
43
Type I Pressure-Seal Bonnets - Stop and Stop-Check (Non-Return) Valves
44
Piston-Lift Check Valves
45
Type II Pressure-Seal Bonnets - Stop and Stop-Check (Non-Return) Valves with Revolving Stems
45
Stop and Stop-Check (Non-Return)
45
Valves with Non-Revolving Stems
45
Type III Pressure-Seal Bonnets - Stop and Stop-Check (Non-Return) Valves
46
Piston-Lift Check Valves
46
Tilting Disk Check Valves
47
Type IV Pressure-Seal Bonnets - Stop and Stop-Check (Non-Return) Valves
47
Piston-Lift Check Valves
47
General Information
48
Supplementary Repair Information
50
Ordering Parts
50
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