Knife gate valve HX

Knife gate valve

An extreme high pressure knife gate valve with through-going gate.

Available size range:

DN 200 - DN 900 (8″ - 36″).

Product data sheet:

Knife gate valve HX

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Product information

About HX

Stafsjö’s knife gate valve HX is an extreme high pressure valve for really demanding applications. It features excellent flow characteristics and provide a tight seal independent of pressure direction. The through-going gate ensure reliable shut-off on highly concentrated media such as pulp stock up to 18 % concentrations, liquor, powder and ash.

The HX valve is modular designed and it can easily be customized in materials, with actuators and related automation accessories to different process conditions. The valve has an extra solid two piece precision machined valve body with a high strength top works that provide an essential and precise gate alignment. As standard it is available with a valve body in stainless steel, but it can also be supplied in a range of high alloy materials such as Duplex, 254 SMO and Titanium. 

The HX valve is one out of five valves in Stafsjö’s procuct range with through-going gates. The HG valve represent the standard. HL is a slim line version of HG while HP is high pressure version. HPT is a high pressure version entirely made in Titanium.


Shut-off technique


Valve seat material


Connection type

Wafer/Semi lugged

Valve body material

254 SMO equivalent


Stainless steel





Pulp and Paper

Product features

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