HPTKnife Gate Valves for high pressure applications.

Stafsjö’s HG knife gate valve is engineered for exceptional performance, featuring a bi-directional tight sealing mechanism that ensures reliability in various applications. With its through-going plate design, the valve offers excellent flow characteristics, making it suitable for handling a wide range of media. ​

Technical Data

Nominal Diameter:
DN 80 – DN 1200
Face-to-Face Dimensions:
Stafsjö manufacturing standard

MSS-SP81
Flange Accommodation:
EN 1092 PN 10

EN 1092 PN 16
JIS B 2238 10K
ANSI/ASME B16.5 Class 150
ANSI/ASME B16.47 Class 150, Series A
BS 10 Table D
AS 2129 Table D and E
Tightness Check:
EN 12266-1:2009 Rate A
Max. Operating Pressure:
DN 80 – DN 250: 10 bar

DN 300 – DN 800: 6 bar
DN 900 – DN 1200: 4 bar”