Model 4S-100 Apollo Double Check Backflow

DESCRIPTION

The Apollo® Model DC4SG, DC4SGN 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. Note: Model DC4SG replaces Model 4S-100 (also known as Model DC) in all sizes except 10”.

FEATURES
• Lightweight
• Short lay length
• Low pressure loss
• Modular check valves
• Individual access to check valves
• Corrosion resistant epoxy-coated ductile iron body