Full cone spray nozzle

摘要: A full cone spray nozzle is provided with: a body (1) which has liquid inlet opening (3) located at the upstream end thereof and also (4) downstream thereof; vane (2) an axial length (W) diameter (D) disposed intermediate position within in such manner that outer peripheral surface of internally contact with (1). The has, thereof, flow passage grooves (6) have width (T) depth (H). An protrusion (8) (U) direction (2). (9) (P) further swirl chamber (5) (L) direction, being space formed by inner wall (1), (2), (4). characterized satisfies relationships 0.25 ≤ T/D 0.30, H/D 1.5 L/W 3.5.