Quick connect 8mm Duotight with check valve

Usage: This check valve fitting protects your regulator from backflow and is designed for both gas and liquid applications. Features low opening pressure of only 1 psi, making it ideal for brewing, beverage, and general fluid handling systems.

Features: Duotight 1.10 design with double EPDM o-ring sealing system for superior leak prevention. No clamps required - simply push in the hose for secure connection. Spring and internal components made from stainless steel. Compatible with EVABarrier 4mm ID x 8mm OD or 5mm ID x 8mm OD tubing. The double o-ring design provides twice the sealing surface compared to standard push-in fittings and allows tighter hose bending radius without leaks.

Technical data: Maximum working pressure: 100 psi. Opening pressure: 1 psi. Material: Stainless steel internals with EPDM seals. Connection type: Push-in collet design. Compatible tubing: 8mm OD (4mm or 5mm ID). Chemical resistance: EPDM compatible with ozone, oils, acids, alkalines, water, alcohol, ketones, and beverages. BPA-free.

Warnings: Cut hosing straight (not at an angle) to ensure complete seal. To remove fitting, push in the collet while pulling the hose. Suitable for clean liquids and gas only.