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Patent Searching and Data


Title:
A VALVE SEAL DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/236223
Kind Code:
A3
Abstract:
A valve seal device (1) for a valve in a pipeline, comprising four moveable seats (2, 5) configured for sealingly contacting a valve member (4), two seats are positioned on each side of the valve member, at least one of the moveable seats on each side of the valve member is an actuation seat being controllable from a non- contact position to a contact position where it seals against the valve member.

Inventors:
KARLSEN, Frode Ivar (Eikeneset 48, 5259 Hjellestad, 5259, NO)
Application Number:
NO2018/050166
Publication Date:
February 21, 2019
Filing Date:
June 19, 2018
Export Citation:
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Assignee:
SIL VALVES AS (Eikeneset 48, 5259 Hjellestad, 5259, NO)
International Classes:
F16K3/20; F16K3/02; F16K5/06; F16K5/20; F16K41/02
Domestic Patent References:
WO1991019921A11991-12-26
Foreign References:
DE2131643A11973-01-18
US5322261A1994-06-21
DE102015110113A12016-12-29
JPS52136425A1977-11-15
JPH08303616A1996-11-22
JPS55149462A1980-11-20
Attorney, Agent or Firm:
HAMSO PATENTBYRA AS (Postboks 171, 4301 Sandnes, Norway, 0125, NO)
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