Backflow Preventers

Watts 850 Series double check valve assemblies are used in plumbing & water supply systems to ensure water safety and prevent backflow. These assemblies protect the potable water supply from potential contaminants that could enter the system due to back-siphonage or backpressure. They have a dual-check valve configuration for double protection against backflow. These valve assemblies feature a modular design for quick inspections and repairs. They have bronze construction for structural rigidity and leakproof operations. These valve assemblies have silicone discs for improved sealing during operations and offer rough bronze finish to resist corrosion on exposed surfaces.

Watts Ames Maxim Series M200N double-check valve assemblies are ideal for preventing contaminated water from flowing back into the main supply. They are used in commercial buildings, industrial facilities, irrigation systems and fire protection networks. They offer an extremely compact design, significantly lighter than traditional models and feature a patented tri-link check, ensuring low-pressure loss during operation. These assemblies have stainless steel construction for enhancing longevity & corrosion resistance. These valve assemblies are equipped with a valve body & closure sleeve and also include the convenience of groove fittings, enabling easy installation and pipeline adjustment. They feature a flanged / grooved joint in the outlet for secure & leak-resistant pipe connections and are offered in gear-operated butterfly, non-rising stem gate, outside stem & yoke gate valve types.