5
Installation prerequisites
Topics covered in this chapter:
•
•
•
•
•
Tools required for control valve installation
•
•
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Gas plenum tank installation and sizing
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5.1
Pre-start checks
Ensure that the pipeline is completely free of all foreign material before installing the valve.
The design of the control valve has not been assessed for the effects of traffic, wind or
earthquake loading. Provide fire prevention measures and equipment per local
regulations.
5.2
Torque information
NOTICE
When installing the control valve, ensure that the bolts conform to the requirements of ASME
B16.5 paragraph 5.3 and to the material requirements of ASME B16.5 Table 1B. Gaskets must
conform to the requirements of ASME B16.20.
Tightening procedure:
1.
Lubricate the nuts and bolts.
2.
Hand-tighten until the nuts and bolts are snug against the flanges.
3.
Use the minimum pressure setting on an air wrench.
4.
Use the correct tightening sequence for the bolt flanges.
5.
Follow your company's internal flange installation procedures.
Important
Ensure that piping or other attachments connected to the control valve are not under stress.
Installation prerequisites
User manual
65
Summary of Contents for Daniel 762
Page 8: ......
Page 12: ...Plan 2 Daniel Models 762 763 765 766 and 767 Control Valves ...
Page 47: ...Models 762 763 765 766 and 767 Control Valves NPS 16 Figure 1 6 Introduction User manual 37 ...
Page 52: ...Introduction 42 Daniel Models 762 763 765 766 and 767 Control Valves ...
Page 72: ...Prepare the control valve for use 62 Daniel Models 762 763 765 766 and 767 Control Valves ...
Page 74: ...Install 64 Daniel Models 762 763 765 766 and 767 Control Valves ...
Page 82: ...Installation prerequisites 72 Daniel Models 762 763 765 766 and 767 Control Valves ...
Page 88: ...Testing the product 78 Daniel Models 762 763 765 766 and 767 Control Valves ...
Page 89: ...Part III Operate Operate User manual 79 ...
Page 90: ...Operate 80 Daniel Models 762 763 765 766 and 767 Control Valves ...
Page 96: ...Maintain 86 Daniel Models 762 763 765 766 and 767 Control Valves ...
Page 112: ...Decommission 102 Daniel Models 762 763 765 766 and 767 Control Valves ...
Page 113: ...Decommission User manual 103 ...
Page 114: ...Decommission 104 Daniel Models 762 763 765 766 and 767 Control Valves ...
Page 115: ...Decommission User manual 105 ...