These ball valves are made of FDA Polypropylene with Viton® O-rings and 316 stainless steel handles. All connections are female NPT threaded. In addition, the pressure rating is 150 psi at 73ºF. They are designed for use with liquid, gas, and vacuum applications. Inlet and outlet sizes are 1/8", 1/4", 3/8", 1/2", and 3/4". Also available in PVDF with actuation. Also, they are available in 2-way, 4-position 3-way, and 2-position 3-way orientations.