Page 7 - Valve Selection Handbook

Gaskets, 14
Flat Metallic Gaskets, 14. Compressed Asbestos Fiber
Gaskets, 15. Gaskets of Exfoliated Graphite, 16.
Spiral Wound Gaskets, 17. Gasket Blowout, 19.
Valve Stem Seals, 20
Compression Packings, 20. Lip-Type Packings, 24.
Squeeze-Type Packings, 25. Thrust Packings, 26.
Diaphragm Valve Stem Seals, 26
Flow Through Valves, 27
Resistance Coefficient £, 27. Flow Coefficient C v, 32.
Flow Coefficient K v, 33. Flow Coefficient A v, 34.
Interrelationships Between Resistance and Row Coefficients, 35.
Relationship Between Resistance Coefficient and Valve
Opening Position, 35. Cavitation of Valves, 37. Waterhammer
from Valve Operation, 39. Attenuation of Valve Noise, 43.

3 Manual Valves 45

Functions of Manual Valves, 45
Grouping of Valves by Method of Flow Regulation, 45

Selection of Valves, 47
Valves for Stopping and Starting Flow, 47. Valves for Control
of Flow Rate, 47. Valves for Diverting Flow, 47. Valves for
Fluids with Solids in Suspension, 47. Valve End Connections,
48. Standards Pertaining to Valve Ends, 49. Valve Ratings, 49.
Valve Selection Chart, 50.
Globe Valves, 51
Valve Body Patterns, 52. Valve Seatings, 57. Connection of
Disc to Stem, 60. Inside and Outside Stem Screw, 60. Bonnet
Joints, 61. Stuffing Boxes and Back Seating, 62. Direction of
Flow Through Globe Valves, 64. Standards Pertaining to
Globe Valves, 64. Applications, 65.
Piston Valves, 65
Construction, 65. Standards Pertaining to Piston Valves, 69.
Applications, 69.

VI