High Pressure Knife Gate Valve

Stafsjö’s knife gate valves SLH and SLX are designed for the most demanding high pressure applications with slurry and other abrasive media where operation reliability and low life cycle cost are emphasized. The SLH is designed for pressure up 20 bar/290 psi while the SLX is designed for 50 bar/720 psi.

Technical data

Nominal diameter:

DN 80 – DN 450

Flange accommodation:

EN 1092 PN20
EN 1092 PN25
EN 1092 PN40
EN 1092 PN50
ASME/ANSI B16.5 Class 150
ASME/ANSI B16.5 Class 300
AS 2129 Table F/H

Tightness check:

EN 12266-1:2012 Rate A

Max. Operating pressure:

DN 80 – DN 450, 50 bar