- Meets ASME Bl6.5,ASME B 16.34, API 608, API 598.

- Face-to-face dimensions meet ASME B16.10 Long series.

- Gear actuator is standard on 8-24"(200-600 mm)SB-150/300 and 6-12"(150-300 mm) SB-600 valves.

- Memory Seal seats compensate automatically for wear and fluctuations of pressure and temperature.

- Long cycle life.

- Low torques.

- Blowout-proof stem.

- Stem bearing reduces side thrust.

- Multiple solid PTFE or chevron type stem seal (adjustable).

- Live-loaded thrust washer prevents galling and provide secondary stem seal.

- Fully enclosed stainless steel wound gasket.

- Pressure relief hole design for all ball.