Knife gate valve HP

Knife gate valve

Reinforced high pressure version of the HG knife gate valve.

Available size range:

DN 300 - DN 900 (12″ - 36″)

Discover more

Product information

About HP

Stafsjö’s HP is a high pressure through-going knife gate valve with superior flow characteristics, offering reliable bi-directional zero leakage shut-off on highly concentrated media and static media columns.

The knife gate valve HP can operate on different media such as pulp stock up to 18 % concentrations, liqour, ash and granulate. It is modular designed and can easily be customized in materials, with actuators and related automation accessories to different process conditions. The valve has a rigid 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 and 254 SMO.

The HP valve is one out of five of Stafsjö’s through-going knife gate valves. HG is the standard version while the HL is a slim line version. HPT is a high pressure version entirely made in Titanium and the HX is an extreme high pressure version.


Shut-off technique



Valve seat material


Connection type

Wafer/Semi lugged

Valve body material


EN 1.4529 (254 SMO)

Stainless steel



Pulp and Paper

Product features

Play Video

Request call-back

Are you not sure on valve type you need or do you have questions you prefer to discuss by the phone. Submit information below and we’ll give you a call.

Quote Request

Fill in the form below, and we will get back to you with a quote as soon as possible.