Construction: Crafted from premium 304 stainless steel, this ball valve ensures exceptional durability and erosion resistance for long-lasting performance in various applications. Efficient Operation: devised for manual use, the valve features a 90-degree handle rotation for swift on/off control, maximizing throughput and efficiency in your vacuum system. Versatile Compatibility: Engineered with a KF16-KF50 vacuum flange, this valve seamlessly integrates with a wide range of vacuum systems, making it an ideal choice for rotary and scroll pumps. Superior Vacuum Performance: Capable of operating in environments with vacuum levels below 1 Pa, this valve is perfect for demanding applications requiring reliable performance. Complete Package: Each order includes one KF (NW) stainless steel ball valve, ready for immediate installation, ensuring you have everything needed to enhance your vacuum system., Manufacturer: BPQCOFZT