Monotight - 6.3mm (1/4”) Female x 6.3mm (1/4”) Female One Way Check Valve (Gas/Water)

Monotight - 6.3mm (1/4”) Female x 6.3mm (1/4”) Female One Way Check Valve (Gas/Water)

The Monotight 6.3mm (1/4”) Female × 6.3mm (1/4”) One‑Way Check Valve is a compact, reliable safety fitting designed to protect your regulator and prevent unwanted backflow in gas or clean‑water systems. With a low opening pressure of just 1 psi, it responds quickly and consistently, making it ideal for small‑diameter setups, portable systems, and precision gas control.

Built with stainless steel internal components, this check valve delivers long‑term durability and stable performance under repeated pressure cycling. It installs in seconds — simply cut your line straight, push it in, and enjoy a secure, leak‑free seal rated up to 100 psi. To remove, press the collet in and pull the line out. No clamps, tools, or fuss.

Why Monotight?
Monotight fittings offer the same push‑fit convenience brewers love, with a design optimised for 1/4" (6.3mm) tubing systems.

They provide:

• Fast, secure push‑fit installation
• Reliable sealing performance
• Stainless steel internal components
• Compact form factor for tight spaces
• Perfect for gas manifolds, water lines, and small‑format brewing equipment.

Key Features

• 6.3mm (1/4”) Female × 6.3mm (1/4”) one‑way check valve
• Low opening pressure: 1 psi
• Protects regulators and prevents backflow
• Suitable for gas or clean liquids
• Stainless steel internal components
• Push‑fit installation — no clamps required
• Rated up to 100 psi
• Quick, tool‑free removal via collet release