Browse Codman's premier products on our online catalog or order by calling 800-255-2500.
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SIPHONGUARD® Features
The only dual pathway, ball-and-spring anti-siphon device
- Normal flow through open primary path (yellow)
- Secondary path (blue) is always open
- During normal flow, ball is balanced off the seat
between two opposing springs
- Opening for flow to enter
secondary path is always open
- During excessive flow, ball seats
and closes primary path
- Secondary path directs CSF
down an outer spiral then
upward along an inner spiral to
exit just below seated ball
- Opening for flow to enter inner
spiral of secondary path
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