FCI 74-1 : 1991

Foreword
1. Scope
2. Classification and End Connections
2.1 Types
2.2 Welding Ends
2.3 Sizes
3. Requirements
3.1 General
3.2 Facing
3.3 Pressure and Temperature Rating
3.4 Materials
3.5 Dimensions
3.6 Drain Connection
3.7 Marking
3.8 Tests
4. Definitions
5. Valve Types
Appendix
Table 1
Table 2
Table 3

Covers types of spring loaded Lift Disc Check Valves. Describes materials used in design and fabrication, design, rating and testing of valves and components for safe and durable performance. Valves limit fluid flow to one direction only.