Brass Test & Drain Ball Valve 1" FM/UL Approved Fire Sprinkler End-of-Line Test Valve
Body & Bonnet adopt EU standard CW617N (CuZn40Pb2) lead brass, meet EU drinking water certification standard, anti-rust & anti-corrosion, long service life for heating & plumbing system
Full port inner bore design, consistent bore size with pipeline, low flow resistance, large flow rate, no medium blockage, ideal for hot water heating main pipeline.
Seat ring & stem packing made of high pure PTFE, matched with EPDM rubber washer; wide working temp range from -20℃~120℃, zero leakage after thousands times on-off test. **
Standard BSPP/BSPT female thread (EU DIN thread), precise thread processing, tight connection without water leakage, easy installation without welding.
Optional Iron / Stainless Steel / Aluminum handle, 90° quick open-close operation, easy to judge open/close status by handle direction.






Qingdao Yida Tongtu Machinery Technology Co., Ltd., in the beautiful coastal city of Qingdao. Specializing in high-growth ventures such as valves and power equipment, the company is dedicated to providing comprehensive solutions for industries including petroleum, chemicals, and water utilities, empowering clients to grow and achieve success.
We are a cutting-edge trading enterprise specializing in one-stop industrial valve matching, deeply cultivating gate valves, globe valves, ball valves, check valves, butterfly valves, etc. Our main products include American standard API, German standard DIN, and Japanese standard JIS, suitable for various industries such as chemical, petroleum, gas, power, metallurgy, etc.
We selects qualified factories from the source, strictly controls product quality, adheres to the direct supply mode, and relies on the advantages of a streamlined and efficient team to achieve rapid implementation of customer demands. At the same time, we can provide customers with standard spot goods, non-standard customization, OEM, project batch matching, and a complete set of export documentation services, becoming a long-term stable valve procurement partner for customers with professionalism, reliability, and high cost-effectiveness.












Our mission is to offer "High Quality" & "Good Service" & "Fast Delivery" to help our clients to gain more profits.