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.

  • California SB1044 State Legislation Press Release

    California SB1044 State Legislation Press Release

    National Foam announced today that it will discontinue the sale of all PFAS based foam concentrates into the State of ...

  • COVID-19


    We are open for business, receiving orders, manufacturing products, and shipping to customers worldwide. However, in light of the circumstances ...

  • FDIC 2020 - Postponed

    FDIC 2020 – Postponed

    FDIC 2020 postponed due to COVID-19. National Foam fully supports the decision and will be exhibiting at FDIC 2021. ...