... :1. Product Name: Brass angle valves, ball valves, gas valves, needle valves, check valves, self saddle valves, stop valves, gate valves ... and so on2. Raw Material: Brass 58-3A, C37700, lead-free, or according to your requests.3. Size: 3/16", 1 ... are mainly used in: water pipes, air conditioner, refrigerator, fire valve, gardening, high-level hygienic equipment and different kinds of industrial ...