The Apollo Model DC4SGLF Double Check Valve is designed to prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are non-health hazards. The modular check valves have replaceable seats and reversible EPDM seat discs. Grooved connections on an epoxy-coated ductile iron body allow for easy connection to butterfly valves or gate valves.
Features
US patents #5,711,341 and #6,343,618
individual access to check valves
lightweight
modular check valves
made in the USA
short lay length
low pressure loss
corrosion resistant epxoy-coated ductile iron body
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