The fischer FRSP C 4 inch sprinkler clamp, part number 516670, is a high-quality, one-piece pipe clamp designed for secure and rapid installation of sprinkler systems. It features a robust safety lock, ensuring reliable fastening of pipes with a nominal size of 4 inches, accommodating pipe diameters between 113.0 mm and 115.0 mm. Manufactured from electro zinc-plated steel DD11 (material no. 1.0332) with a minimum 5 µm zinc layer, it offers excellent corrosion resistance. This clamp is fire protection tested and certified by VdS, FM, UL, and LPCB, making it suitable for demanding applications. It includes an R 1/2 connection thread and is designed for a maximum recommended load of 1.5 kN. The operating temperature range is from -30 °C to +100 °C, and each clamp weighs 0.44 kg.