B Braun Ultrasite Needle Free Valve Capless 100 Ea/CsB BRAUN Ultrasite Needle-Free Valve is the first high-flow, one piece capless valve with the positive displacement design. The patented Ultrasite valve is a swabbable, capless, 2-way valve for injection/ gravity/pump flow or aspiration of fluids. The Ultrasite valve is a completely closed system.