1. Q49 fixed tee ball valve
2. VQ41FV ball valve
3. KTQ347 pigging ball valve
4. Q341F worm drive floating ball valve
5. Q347H metal hard seal fixed ball valve
6. API Q41F-150LB American standard flange ball valve
7. API Q41F-3000LB American standard flange ball valve
8. API Q41H/-150LB American standard flange ball valve
9. API Q41H-300LB American standard flange ball valve
10. API Q41Y-150LB American standard flange ball valve TAG：