Valve installation standards provide guidelines and requirements for the proper installation, operation, and maintenance of valves in various industrial applications. These standards ensure safety, reliability, and performance of valves in different operating conditions. Here is a list of important valve installation standards commonly referenced in the industry:

1. API 600 - Steel Gate Valves: Flanged and Butt-welding Ends, Bolted Bonnets
2. API 602 - Gate, Globe, and Check Valves for Sizes DN 100 (NPS 4) and Smaller for the Petroleum and Natural Gas Industries
3. API 603 - Corrosion-Resistant, Bolted Bonnet Gate Valves—Flanged and Butt-Welding Ends
4. API 609 - Butterfly Valves: Double Flanged, Lug-and Wafer-Type
5. API 594 - Check Valves: Flanged, Lug, Wafer, and Butt-Welding
6. API 598 - Valve Inspection and Testing
7. API 6000 - Steel Gate Valves—Flanged and Butt-Welding Ends, Bolted Bonnets
8. API 608 - Metal Ball Valves—Flanged, Threaded, and Welding Ends
9. API 609 - Butterfly Valves: Double Flanged, Lug, and Wafer Type
10. API 624 - Type Testing of Rising Stem Valves Equipped with Graphite Packing for Fugitive Emissions
11. ANSI/ISA-75.08.01 - Hydrostatic Testing of Control Valves
12. ISO 5208 - Industrial Valves—Pressure Testing of Valves
13. ISO 10434 - Bolted Bonnet Steel Gate Valves for the Petroleum, Petrochemical, and Allied Industries
14. ISO 17292 - Metal Ball Valves for Petroleum, Petrochemical, and Allied Industries
15. MSS SP-61 - Pressure Testing of Valves
16. MSS SP-72 - Ball Valves with Flanged or Butt-Welding Ends for General Service
17. MSS SP-81 - Stainless Steel, Bonnetless, Flanged, Wafer, Lug, and Butt-Welding Ends Swing Check Valves
18. MSS SP-85 - Gray Iron Globe and Angle Valves, Flanged and Threaded Ends
19. MSS SP-95 - Swage (d) Nipples and Bull Plugs
20. BS 1868 - Steel Check Valves (Flanged and Butt-Welding Ends) for the Petroleum, Petrochemical and Allied Industries

These standards are established by organizations such as the American Petroleum Institute (API), International Organization for Standardization (ISO), Instrument Society of America (ISA), Manufacturers Standardization Society (MSS), and British Standards Institution (BSI). It's essential to refer to the specific standard relevant to the type of valve being installed and the industry requirements.