API angle valve Manufacturer of Angle valves, Ball valves, Gas valves, Needle valves, Check vales, Saddle valves, 1. Product Name: Brass angle valves, ball valves ... , gas valves, needle valves, check valves, self saddle valves, stop valves, gate valves and ... plated, or Chrome plated.6. Certification: ISO9001:2000. API Brass angle valve