SDP – Stationary Diaphragm Proportioner

The SDP-30, SDP-36, and SDP-60 are complete self-contained one-man operated foam proportioning units equipped with discharge hose and foam nozzle. The SDP units are designed to satisfy the need for dependable, highquality mini-proportioners. Each SDP unit is shipped completely assembled and includes as standard a National Foam JS-10 nozzle with ball shutoff , 50 feet (15.2 m) of 1¾” hose, and a 30, 36, or 60-gallon foam concentrate storage tank with fi ll funnel. The SDP units are equipped with suitable mounting/ support saddles for installation and operation in a fixed location.

  • NFPA June, 17-20 2019

    National Foam will be exhibiting at the NFPA in San Antonio in June, 17-20. Visit us on booth # ...

  • ILTA, June 3-5 2019

    National Foam are exhibiting at ILTA in Houston, June 3-5 2019. Come and see us on booth # 982. ...

  • Next Engineering Seminar June 4 – 6, 2019

    The next Foam Fire Protection Engineering Seminar is on June 4-6, 2019. Please register here. As a participant, you will be among ...