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(11)

EP 2 893 242 A1

(12)

(43) Date of publication: 15.07.2015 Bulletin 2015/29 (21) Application number: 13760184.5 (22) Date of filing: 28.08.2013

(51) International Patent Classification (IPC):  F16L 55/027(2006.01) F16L 55/033(2006.01) F16K 47/08(2006.01) F16K 47/12(2006.01) (86) International application number: PCT/US2013/057003 (87) International publication number: WO 2014/039348 (13.03.2014 Gazette 2014/11)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 10.09.2012 US 201261699153 P 09.11.2012 US 201213673476 (71) Applicant: Dresser, Inc. Addison, Texas 75001 (US)	(72) Inventors: MAY, Lamar, Edward Salt Lake City, UT 84119 (US) LIVELY, Matthew, Charles Salt Lake City, UT 84119 (US) (74) Representative: Williams, Andrew Richard  GPO Europe GE International Inc. The Ark 201 Talgarth Road Hammersmith London W6 8BJ London W6 8BJ (GB)