Universal 403 series anti-siphon valve NPT(F) ports cast iron - all sizes

PR (pressure relief models) opens at 15 to 35 psi
Reducing fire hazards and preventing fuel spillage should a line rupture
The flow would automatically stop the syphon effect
No need to specify head settings
Everything is included to cover an operating range of 0′ to 20′
Automatic shut-off syphon effect
Precision machined valve seats
Prevents fuel spillage
No need to specify head settings when ordering
Construction
Cast iron body
Buna-N seals