... OEM experience 4. ISO9001:2000 Specifications:1. Product Name: Brass Fire Hydrant, Brass extinguisher valve2. Raw Material: Brass 58-3A, C37700, lead ... in various applications, our products are mainly used in: water pipes, air conditioner, refrigerator, fire valve, gardening, high-level hygienic equipment and ... future. Please feel free to contact us for more information. Fire Hydrant Valve