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.

  • FoamCalc


    FoamCalc is the new software program developed by National Foam to calculate the amount of foam required to protect storage ...

  • FDIC 2020

    FDIC 2020

    Come visit us at the FDIC 2020, booth # 1435, to see the latest developments from National Foam.  We look ...

  • Adipec, November 11-14, 2019

    Adipec, November 11-14, 2019

    We are attending the Adipec Exhibition in Abu Dhabi, Booth # 13237 in Hall 13.  Visit us to find out ...