... :G,R,NPT,ASTM etc. 5.OEM service Brass ball valveFeature:1. Material: Brass, PPR.2. Pressure Grade: 1.6MPa.3. ... , not scaling, no rust, anti-bacterial.3. Light weight, high strength and high impact strength.4. Convenient installation, reliable, recycled, environmental protection ... heating equipment.7. Piping system for other industries and agriculture. High quality nickel plated brass ball valve