Valves1. Cast steel gate, globe and check valves, ball valves and butterfly valves2. Forged steel gate, globe and check valves, ball valves and needle valves3. High pressure pipeline ball valves4. Special manufacture gate, globe, check and ball valves5. Pressure relief valves6. Butterfly valves7. Double block and bleed plug valves8. Cryogenic valves9. Steam choke valves10. Acid injection isolation valves11. 3-way valves12. Rising stem ball valves