The AD402-A is the improved version of SMC's proven AD402 auto drain design. These enhancements include an improved resistance to foreign matter, increased discharge rate and reduced weight.
Auto Drain Valve AD402-A Series Specifications Standard Specifications Model AD402-A Auto drain type Float type Auto drain valve type N.C. (Normally closed: Drain port is closed when pressure is not applied) N.O.
Port 3/4 3/4, 1 D I M E N S I O N S AD S E R I E S A U I T O D R A I N S S Y M B O L S H O W T O O R D E R A U T O D R A I N S E R I E S AD AD402-02 (1/4) PT AD402-03 (3/8) PT AD402-04 (1/2) PT AD600-06 (3/4) PT AD600-10 (1) PT H O W T O O R D E R A U T O D R A I N S E R I E S NAD NAD402-N02 (1/4) NPT NAD402-N03 (3/8) NPT NAD402-N04 (1/2) NPT NAD600-N06 (3/4) NPT NAD600-N10 (1) NPT FOR FURTHER