Duco® DPVA14 Bronze Air Whistle Valve - High-Quality Brass Air Whistle for Trucks, Trains & Marine Use - Loud Safety Signaling Device for Emergency & Industrial Applications

Duco® DPVA Series are commercial-grade whistle valves designed to quickly open as force is applied to the lever and automatically self close upon release. It is commonly installed on air application finishers.

The body is made of bronze which is high ductility, abrasion and corrosion resistant. Contains lead, not for use in water systems intended for human consumption.