Stafsjö’s XV knife gate valve is designed for reliable and secure shut-off, functioning effectively regardless of pressure direction. With excellent flow characteristics, this valve is suitable for applications involving pulp, biomass, and sludge. The polyurethane-seated version further enhances its capability, allowing it to handle abrasive media effectively.
Nominal Diameter:
DN 80 – DN 1000
Face-to-Face Dimensions:
DN 80 – DN 300: EN 558 Series 20
DN 350 – DN 800: Company standard
Flange Accommodation:
EN 1092 PN 10
EN 1092 PN 16
ASME/ANSI B16.5 Class 150
ASME/ANSI B16.47 Class 150, Serie A
JIS B 2238 10K
AS 2129 Table D to E
BS 10 Table D
Marking:
EN 19
Tightness Check:
EN 12266 (Leakage Rate A)
ISO 5208 Class A
Temperature Range:
Max. 180 °C
Max. Operating Pressure:
DN 80 – DN 350: 10 bar
DN 400 – DN 600: 6 bar
DN 700 – DN 800: 4 bar”
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