½" Brass Non-Return Valve — Check Valve for Water Supply & Pump Systems

Stop Backflow Dead — One-Way Flow Protection for Your Pipeline

The ½" Brass Non-Return Valve (check valve) is a one-way flow control fitting that allows water to flow freely in one direction while automatically preventing backflow in the opposite direction. Essential for pump discharge lines, water supply systems, and any installation where backflow could cause flooding, contamination, or pump damage.

Key Specifications

• Size: ½ inch (DN15) — BSP female threaded connections on both ends
• Body Material: Brass — corrosion-resistant, safe for potable water
• Type: Non-return (check) valve — automatic one-way flow control
• Connection: Female BSP thread on both inlet and outlet
• Operation: Automatic — no manual operation required

Common Applications

• Pump discharge lines — prevents backflow when pump stops
• Mains water supply — prevents contamination from backflow
• Borehole and water supply lines
• Solar water heater systems — prevents thermosiphon backflow

Why Install a Non-Return Valve?

• ✅ Prevents backflow automatically — no manual intervention needed
• ✅ Protects pumps from reverse flow damage
• ✅ Prevents flooding and contamination from backflow
• ✅ Brass body — durable and corrosion-resistant