Feature

The Apollo Series 4A-100 Double Check Valves are designed to prevent contamination of the potable water supply due to back-siphonage or backpressure from substances that are objectionable, but non-health hazards. The modular check valve captured spring cartridges have replaceable seats and reversible silicone seat discs.

During normal flow conditions, the two check valves are held off their seats, supplying water downstream. Each check valve is designed to maintain a minimum of 7 kPa across the valve during normal operation. Should the downstream pressure increase to within 7 kPa of supply pressure, both check valves will close to prevent a backflow condition.

• Maximum protection against
• back-pressure/back-siphonage Modular check valve cartridges with
  easily replaced parts
• Reversible/removable chloramineresistant silicone seat discs
• Low head pressure loss
• Internal sensing passage
• Corrosion resistant
• AS2845.1 approved
• Maximum pressure 1,200kPa
• Temperature range 1°C - 85°C
• Horizontal installation
  
• Low pressure loss
• Modular check valve cartridges with easily
• replaced parts
• Top access for fast testing and easy
  
• maintenance
  
• Testcock protectors
  
• Corrosion resistan

Warranty: 5 Years