VALVE Russian patent published in 2003 - IPC

FIELD: heating systems; pipeline valves and fittings. SUBSTANCE: invention relates to control valves intended for use of heating system pipelines. Valve for heating radiator has housing carrying axial intake zone and valve seat. Seat, together with axially movable shutoff member, forms throttling area. Housing is provided with outlet hole on periphery to form outlet space providing deflection of flow in radial direction. Outlet space is enclosed in bushing provided with outlet holes. Size of outlet holes can be adjusted by turning the bushing. Channel is arranged between throttling area outlet space. Cross section of channel increases in direction of flow, being limited by cylindrical outer wall adjoining valve seat from outside, and inner wall adjoining shutoff member. Inner wall is tilted relative to axis in direction of flow being formed by shaped member connected with shutoff member. EFFECT: considerable reduction of noise. 10 cl, 6 dwg