G1/2 Brass Anti-Backflow Triangle Angle Valve – Water Stop

G1/2 Brass Anti-Backflow Triangle Angle Valve – Universal Water Stop Valve

Upgrade your bathroom or toilet plumbing with this durable G1/2 Thread Brass Anti-Backflow Triangle Angle Valve. Built from premium brass and stainless steel, this universal water stop valve features a reliable check-valve mechanism that prevents backflow, making it an ideal solution for toilets, faucets, and general water inlet connections.

Key Features

• Anti-Backflow Design: Integrated check valve prevents reverse water flow, protecting your plumbing system.
• Premium Materials: Constructed from high-quality brass and stainless steel for long-lasting corrosion resistance and durability.
• Universal G1/2 Thread: Standard 1/2" (20 mm) caliber fits most bathroom and toilet connections with ease.
• Multi-Function: Works as a water stop valve, water inlet valve, and check valve all in one compact unit.
• Handles Cold & Hot Water: Rated for nominal pressure up to 1.0 MPa and maximum water temperature of ≤90°C.
• Easy Hand-Tighten Installation: No wrenches required — simply wrap PTFE tape and hand-tighten for a secure, leak-free fit.
• Decorative Cover Included: Comes with a sleek decorative cover that sits flush against the wall for a clean, professional finish.

Specifications

• Type: Anti-Backflow Angle (Triangle) Valve
• Material: Brass + Stainless Steel
• Thread Size: G1/2 (20 mm)
• Nominal Pressure: 1.0 MPa
• Max Water Temperature: ≤90°C
• Compatible Media: Cold & Hot Water
• Country of Origin: Made in China

Installation Instructions

1. Install in an area with a smooth-flowing floor drain nearby.
2. Flush dirt from pipes and shut off the water supply before beginning.
3. Slip the decorative cover over the inlet thread. Wrap 10–15 turns of PTFE tape counter-clockwise on the threads.
4. Hand-tighten the valve clockwise. Do NOT use wrenches or pliers to avoid damaging the valve body. Adjust the outlet direction for easy hose connection.
5. Push the decorative cover flush against the wall, then peel off its protective film.
6. Turn on the water supply. Test the valve in both open and closed positions, and check all joints for leaks before regular use.

Package Contents

• 1 × G1/2 Brass Anti-Backflow Angle Valve (with decorative cover)

Note: Slight color variations may occur due to different display settings. Please allow a measurement tolerance of 1–2 mm.

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Frequently Asked Questions

Q: What thread size does this brass angle valve use?

A: This angle valve uses a standard G1/2 (1/2 inch / 20 mm) thread, making it universally compatible with most bathroom faucets, toilet water inlets, and general household plumbing connections.

Q: Can this valve be used with hot water?

A: Yes. The G1/2 brass anti-backflow angle valve supports both cold and hot water with a maximum water temperature of up to 90°C (194°F) and a nominal pressure rating of 1.0 MPa.

Q: Do I need special tools to install this triangle angle valve?

A: No special tools are needed. Simply wrap PTFE tape 10–15 turns counter-clockwise on the threads and hand-tighten the valve clockwise. Avoid using wrenches or pliers to prevent damage to the valve body or threads.

Q: What does the anti-backflow feature do?

A: The built-in check valve mechanism prevents water from flowing back in the reverse direction through the valve. This helps protect your plumbing system from contamination and pressure irregularities.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.