► RELN | Valves

Non-Return Stormwater Valves for Drainage Backflow Protection

Heavy rainfall places enormous pressure on underground stormwater networks, particularly in areas where municipal drainage lines become overloaded. When downstream pipes reach capacity, water can be forced back through drainage systems & into pits, channels & property stormwater infrastructure. Installing RELN valves helps prevent this reverse flow by maintaining one-direction water movement within drainage pipes.

Engineered specifically for drainage infrastructure, RELN non-return valves allow stormwater to move downstream while automatically stopping reverse water flow when pressure builds inside the pipe network. This automatic closing mechanism helps protect stormwater pits, underground pipes & surface drainage systems from flooding.

Across residential developments, commercial sites & landscaping installations, stormwater valves are installed within underground pipe networks, drainage pits & stormwater infrastructure where backflow protection is required.

Drainage installations frequently begin with surface water collection systems such as Channel Drains & Pit Base, allowing runoff to enter the stormwater network before passing through pipe systems controlled by valves.

Connecting drainage channels to pipe networks often involves fittings like Drain Joiners, which maintain sealed pipe connections across stormwater systems.

Debris management also plays a role in valve performance. Installers commonly include Trash Screens inside pits to capture leaves & litter before they enter underground pipes.

Large drainage installations typically incorporate supporting components including Drain End Caps & Outlets, Drain Guards, Slimline Pits & Splash Blocks to create complete stormwater management systems.

What’s in This Collection:

► RELN non-return valves
‣ Prevent stormwater from flowing backwards through drainage pipes

► Stormwater backflow prevention valves
‣ Protect drainage systems from reverse water pressure during heavy rainfall

► Drainage pipe non-return valves
‣ Maintain one-direction water movement within stormwater infrastructure

► Underground drainage backflow valves
‣ Installed inside pipe systems to stop floodwater entering upstream drains

► Stormwater pipe check valves
‣ Automatically close when reverse pressure occurs in drainage pipelines

► Replacement drainage non-return valves
‣ Restore backflow protection within existing stormwater systems

► Drainage system backflow control valves
‣ Improve reliability of stormwater infrastructure in high-flow conditions

Proper installation of non-return valves ensures stormwater flows safely away from infrastructure while preventing damaging reverse pressure events.

Trade Applications for RELN Valves

Many drainage environments require protection against reverse water pressure, particularly during intense rainfall events.

► Residential stormwater drainage systems
‣ Prevent council drainage networks from forcing water back into property pipes

► Landscape drainage infrastructure
‣ Maintain controlled water movement within garden drainage networks

► Civil stormwater infrastructure
‣ Protect municipal pipe systems from reverse pressure surges

► Commercial building drainage systems
‣ Reduce flooding risk within service pits & underground drainage areas

► Industrial site stormwater networks
‣ Maintain stable water movement within large drainage installations

► Property drainage upgrades
‣ Install backflow protection within older stormwater systems

Correct valve placement improves stormwater reliability while protecting drainage infrastructure.