Trunnion Mounted Ball Valves (TMBV) are available in a one piece fully welded design, mainly for underground installation; two piece which is mainly the ASME flange type design; and three piece with extended Pups/Pipe for in-line welding.
All configurations are available in reduced bore and full bore design, in sizes from 2 inch (DN50) and up to 60 inch (DN1500), and pressure classes from ASME #150, #300, #600, #900, #1500 and # 2500 (size and Pressure Class # dependent, as per client/your requirements).
Applicable standards
| Description | Applicable Standards |
|---|---|
| Design standard | API 6D, API 608, ASME B16.34, ISO 17292 |
| Testing standard | API 6D, API 598, EN 12266-1, ISO 5208 |
| Fugitive emission | TA-Luft, ISO 15848-1, API 641 |
| Flange standard | ASME B16.5 and ASME B16.47 - Large Diameter Steel Flanges: NPS 26 through NPS 60, Metric/Inch Standard |
| Weld ends | ASME B16.25 Butt Welding Ends |
| Fire safe testing | API 607, API 6FA, ISO 10497 |
| Sour gas service | NACE MR0175 / ISO 15156 and NACE MR0103 / ISO17945 |
| Documentation | EN 10204 Type 2.2 (default) , 3.1 and 3.2 |
