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1. Designed for the most arduous of service conditions.

2. Bonnetless one piece forged body, no weld and bolts stress components.

3. Y pattern body improve flow capability and reduce resistance.

4. Integral Stellite Grade 6 cone and Stellite Grade 12 seat have good red hardness and

 scouring resistant characteristics on high temperature.

5. Non-rotating spindle design ensure cone and seat without milling during open or close , 6. Eliminates galling to the seal surfaces, increase service life.

7. Combination filling seal.

8. Heavy two-piece gland bushings.

9. Short and narrow packing chamber.

10. Unique, fully-enclosed spindle drive system.

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