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1. (WO2014202368) DOUBLE SEAT VALVE

Pub. No.:    WO/2014/202368    International Application No.:    PCT/EP2014/061079
Publication Date: Thu Dec 25 00:59:59 CET 2014 International Filing Date: Thu May 29 01:59:59 CEST 2014
IPC: F16K 11/048
F16K 11/18
Applicants: ALFA LAVAL CORPORATE AB
Inventors: NIELSEN, Jesper Bak
LINDHOLM JENSEN, Karl-Åge
Title: DOUBLE SEAT VALVE
Abstract:
A double seat valve comprising a valve housing (3), a first closing element (11), a second closing element (21), a leakage chamber (6) arranged intermediate the first and second closing elements (11, 21), the second closing element (21) connected to the second displacement rod (22) via spokes (23, 24), wherein at least one of the spokes (23, 24) comprises: a leading edge (41) that faces the leakage chamber (6) and extends in a radial direction (D2) outwards from the second displacement rod (22); and first and second sides (42, 43) that extend from the leading edge (41) in a direction (D1, D3) from the leakage chamber (6) to the drain passage (7) on a respective side of the spoke (23).