Durability: Brass ball valve provides a long service life when used under the right conditions and offer a long time of reliability without worry. Damage-Free: Ball valves made with brass are reliable and heavy-duty, so they are less prone to damage than other kinds of valves. Product Information: Female-Female Diameter = 1/2 inch, Weight = 160g per valve, Working temperature -20°C to +110°C, Working pressure PN40, Certification: GB/T 19001-2000-ISO 90 Butterfly red color Handle Efficiency: Ball valve does not need any lubrication and offers a bubble-tight seal with an affordable low price. Strong nature: Ball Valve can maintain and regulate high pressure, volume, and temperature due to its strong nature and tuff quality. Simple to repair: Brass ball valve is simple to repair if it requires fixing. NOTE: Please don’t hit the ball valve with a hammer or any other heavy metal with high force.