Coliter® offers a complete series of brass coupling fittings, including equal couplings (e.g., GJ3005), reducing female couplings (GJ3006), reducing male couplings (GJ3003), and female unions (GJ3007)—designed for secure, leak-free pipe extension and repair in potable water and heating systems. Made from high-quality forged brass with lead-free compliance (<0.25% pb="">ISO 228 parallel threads (G1/2", G3/4", G1") and are rated for PN16 (1.6 MPa) at temperatures up to 120°C. Ideal for connecting same-size or different-size pipes without welding—ensuring quick installation, corrosion resistance, and long-term reliability in residential and commercial plumbing.
