Flowserve 50165 Nordstrom Figure - Manual (Page 2)

Nordstrom Figure 50165 and 50169 Dynamic Balance Iron Plug Valve FCD NVENIM2006-00 – 09/05
2
Contents
1 Valve Selection 4
Introduction 4
Pressure/Temperature Rating 4
Bending Strength 5
Pressure Surge 5
Throttling Service 6
Temperature Changes 6
Over-pressurization 6
Trapped Pressure 7
Material Compatibility 7
Operating Effort 7
2 Shipping and Storage 8
Introduction 8
Handling 8
Storage 9
3 Installation 10
Introduction 10
Inspection 10
Flanged Joint Assembly 11
Testing and Adjustment 13
4 Operation and Maintenance 14
Introduction 14
Operation, Manual Valves 14
Operation, Power Actuated Valves 15
Fluid Dynamics of Shutoff Valve Operation 15
Noise 16
Maintenance 17