Knife gate valve
HX
An extreme high pressure knife gate valve with through-going gate.
Available size range:
DN 200 - DN 900 (8″ - 36″).
Product data sheet:
Discover more
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.
Specifications
Shut-off technique
Through-going
Valve seat material
PTFE
Connection type
Wafer/Semi lugged
Valve body material
254 SMO equivalent
Duplex
Stainless steel
Titanium
Industries
Chemical
Power
Pulp and Paper
Product features

Reliable through-going and bi-directional zero leakage shut-off

Full bore with outstanding flow characteristics

Reinforced gland box sealing system enable a tight seal to environment

Downloads
- Title Format Size Restriction
-
Knife gate valve HX
PDF 2 MB
- Title Format Size Restriction
-
Manual actuators
PDF 2 MB -
Double acting pneumatic cylinder SC
PDF 1 MB -
Hydraulic cylinder
PDF 2 MB -
Electric motor AUMA
PDF 91 KB -
Stafsjö standard accessories
PDF 4 MB
- Title Format Size Restriction
-
Greater demands calls for action
PDF 596 KB
- Title Format Size Restriction
-
Knife gate valve specification guide
PDF 5 MB
- Title Format Size Restriction
-
Installation and service instruction
PDF 2 MB -
Maintenance instruction HG, HL, HP, HPT and HX
PDF 655 KB