INSIDE FIRE PROTECTION f /p and connection of an Armed Fire Slat ion DN 40f /p Galvanized Steel Tube fare 3 is included elbow T red paint and ts a) 0 40/49 b) 0 50/60 f/p The stop valvea)DN 50b)DN 40 f /p against water hammer+ isolating valve DN40 F / P of powder extinguisher is included fixing support signaling and t / s