Non-Return Valve - 40mm (1½") product_wet-end stainless steel - s4-1/13 0.37kw Is it waterproof

Is it waterproof

The STF Y-pattern disc filter delivers superior multi-layer depth filtration for demanding drip and micro-irrigation applications

but valves won’t operate without power

low-angle = 13°

Available in a variety of models for unique

Non-Return Valve - 40mm (1½") product_wet-end stainless steel - s4-1/13 0.37kw Is it waterproofIn line non return (check) valves prevent backflow in irrigation pipework, protecting the main water supply from contamination and preventing pump damage from reverse spin when power is interrupted. Available in a full range of sizes from 15mm to 50mm for installation at pump outlets, fertigation injection points and sub main branch points where flow reversal could cause system damage or health hazard.