Milwaukee Valve 509 1/2

Milwaukee Valve

Swing Check Valve, 1/2 In, FNPT, Bronze

509 1/2 403204
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$36.48+ This item ships directly from the manufacturer within 5 business days. Please allow additional time for delivery.


ItemSwing Check Valve
Material of ConstructionBronze
Top of Handle to Inlet Center (In.)1-7/16
Rated For125 PSI WSP, 200 PSI Non Shock WOG
Cracking Pressure (PSI).75 To 1
Max. Temp. (F)406
Mounting PositionHorizontal Or Vertical
Package Quantity 1
Weight 0.550000


Swing Check Valve, Material of Construction Bronze, Size 1/2 In, FNPT Connection, Length 2 5/16 In., Top of Handle to Inlet Center 1 7/16 In., Rated For 125 PSI WSP, 200 PSI Non Shock WOG, Cracking Pressure .75 To 1 PSI, Horizontal Or Vertical Mounting Position, Seal Brass, Standards MSS SP-80

  • Note: Not for use with reciprocating air compressor service. For more Milwaukee Valve items, go to and search for "Milwaukee bronze swing check valves."

Bronze Swing Check Valves
  • Class 125 Bronze Disc
  • Allow flow in 1 direction to prevent backflow. Bronze seats. Directional arrow cast into valve aids with installation. Mount vertical or horizontal. Use in plumbing and heating applications.
  • Meet ASTM B62 and MSS-SP-80 standards, except Low-Lead models.
  • Max. pressure: 125 psi WSP, 200 psi nonshock CWP; cracking pressure: 0.75 psi to 1 psi Max. temp.: 406 F

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