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(11)

EP 2 069 675 A1

(12)

(43) Date of publication: 17.06.2009 Bulletin 2009/25 (21) Application number: 06775972.0 (22) Date of filing: 04.09.2006

(51) International Patent Classification (IPC):  F16L 33/02(2006.01) F16L 33/22(2006.01) F16L 33/207(2006.01) (86) International application number: PCT/DK2006/000487 (87) International publication number: WO 2008/028483 (13.03.2008 Gazette 2008/11)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (71) Applicant: Itt Hydroair 6800 Varde (DK)	(72) Inventor: SCHYTZ, Ole, Ginnerup DK-6623 Vorbasse (DK) (74) Representative: Sundien, Thomas et al Zacco Denmark A/S Hans Bekkevolds Allé 7 2900 Hellerup 2900 Hellerup (DK)