Brass NV Packers

Brass NV (Non-Return Valve) Packers are high-performance injection accessories designed for precise, one-way flow of PU, epoxy, or cementitious grouts into concrete cracks and voids. Made from durable brass, these packers feature an integrated non-return valve that prevents backflow, ensuring efficient material delivery during structural repair and waterproofing applications.

Their compact and corrosion-resistant design makes them suitable for use in vertical, horizontal, or overhead surfaces, providing a secure seal and long-lasting performance even under high-pressure injection systems.

Key Features:

• Constructed from high-quality brass for durability and corrosion resistance

• Built-in non-return valve for controlled, one-way injection

• Prevents resin or grout backflow

• Ideal for PU, epoxy, and cementitious injection materials

• Used in crack sealing, leak repair, and structural rehabilitation

Typical Applications:

• Injection into concrete cracks and joints

• Waterproofing of basements, tunnels, and slabs

• Structural repair in bridges, columns, and foundations

• Compatible with standard injection pumps