PIPE SYSTEM FOR SPRINKLER UNIT Russian patent published in 1999 - IPC

FIELD: sprinkling equipment. SUBSTANCE: system has hermetically sealed pipes 20,24,26,28,32 extending from fire-extinguishing liquid supply pipeline 12. Pipes are mounted for rotation about mutually parallel axes 44,46,48,50 and connection extending from pipeline 12 and end pipe 28, to which sprinkler head may be attached. At least one pipe 20,26 is made U-shaped. Subsequent pipe 24,28 and/or fitting 16 are attached to U-shaped pipe side elbows 18,22 and hermetically sealed to U-shaped pipe by inserted joints 34,36,38,40,42. Such construction allows sprinkler head to be readily adjusted for any sprinkling direction. EFFECT: wider operational capabilities and enhanced reliability in operation. 15 cl, 2 dwg