4 in. Brass Inline Check Valve, Buna-N (944411)

The 4 in. Brass Inline Check Valve (#944411) is a brass spring-loaded inline check valve with a Buna-N (NBR) seal that allows flow in one direction and automatically prevents reverse flow (backflow). It installs in vertical or horizontal runs.

Availability: In stock — ships in 2–3 business days.

Technical Specifications

Key Features

• Spring-loaded inline poppet — instant closure on flow reversal
• Brass body with Buna-N (NBR) seal
• Installs vertically or horizontally
• Low-maintenance, self-operating design

Common Applications

Pump and compressor discharge, water and air lines, and general industrial flow systems requiring dependable backflow prevention.