- Wafer Sizes: 1.5” – 84”
- Wafer Class: 150 – 2500
- Lug Sizes: 2” – 36”
- Lug Class: 150 – 900
- Design: API 594
Design and Manufacturing Standards
- Basic Design: API 594
- Face-to-Face: Flanged API 594 & ANSI/ASME B16.10
- Flange Dimensions: ANSI/ASME B16.5
- Inspection and Testing: API 598
