Design:
All ball valves are full ported and meet the design requirements of API standard API608/6D and general conform to ASME B16.34.
Product design and operation:
1. Cast steel floating or trunnion mounted ball valve is mainly made up by valve body, bonnet, ball, stem and lever & gearing actuator.
2. Working theory of ball valve is in the 90 degrees clockwise rotation, ball valve open, rotate it in the 90 degrees counterclockwise, the ball valve close.
Warranty responsibility:
Warranty period for 2pieces ball valve is 18 months from delivery date.
| handle operated floating ball valve |
| steel valves | ANSI B16.34 API 6D |
| face-to-face | ANSI B16.10 |
| flange dimensions | ANSI B16.5 |
| basic design | ANSI B16.34 API 608 |
| testing | API 598 |
| test pressure |
| Item/ Class | 150 | 300 | 600 | 900 | 1500 |
| shell(hydrostatic) | 425 | 1100 | 2175 | 3250 | 5400 |
| seat(hydrostatic) | 300 | 800 | 1600 | 2400 | 4000 |
| seat(air) | 80 | 80 | 80 | 80 | 80 |