HVL-500 - Groco Bronze Vented Loop - 1/2" Hose

Bronze Vented Loop - 1/2" Hose 

Features:

• Allows air to enter to break siphon, but does not permit air and odors to escape! Cap is threaded 1/2" NPT to accept a barb fitting if you wish to vent overboard.
• Overboard venting is required if PVL or HVL series is used in an exhaust system.
• HVL and PVL series vented loops assure clog-free anti-siphon protection for sanitation or engine exhaust systems. The oversized vent valve can easily be removed for inspection or cleaning without tools.
• Mount Hardware is included.

The GROCO Bronze Vented Loop (part number HVL-500) is a component designed to provide anti-siphon protection within sanitation or engine exhaust systems. This device allows air to enter the system to break a siphon, preventing backflow, but is engineered to contain air and odors. Its primary function is to maintain system integrity by ensuring that fluids flow in the intended direction without siphoning. The unit features an oversized vent valve that can be removed without tools for routine inspection or cleaning, facilitating maintenance. The cap is threaded 1/2" NPT, allowing for the addition of a barb fitting if overboard venting is necessary, particularly when integrated into an exhaust system. Mounting hardware is included, simplifying installation. This vented loop is suitable for IT professionals and facility managers responsible for maintaining marine or industrial systems where reliable anti-siphon protection is critical.