Dema Backflow Preventer ASSE 1055B Certified

Dema Backflow Preventer ASSE 1055B Certified

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Product Description

Model 16-30 Hose Thread Backflow Preventer by Dema is an ASSE 1055B certified Action Gap backflow preventer with 3/4 hose threads on both inlet and outlet. Backflow preventer is not rated for constant pressure. Model 16-30 backflow preventer is for Dema dispensing systems, such as the Blend Centers.

Garden Hose Threads (GHT, FHT, MHT) are unique in that they make the water-tight seal with a flexible washer between the two connection pieces. Thread seal tape is not recommended since it can inhibit the full threading together of the pieces, thus not allowing a tight leak-proof seal. GHT are not compatible with NPT or IPT/IPS fittings commonly found in iron pipe or PVC water systems.
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