Pulp and Paper
Our manufacturing of knife gate valves started in 1928 in close cooperation with the nearby pulp and paper industry. Ever since Stafsjö have supplied knife gate solutions to this industry characterized by innovations, high performance and low life cycle costs.
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![](https://www.stafsjo.com/wp-content/uploads/2021/05/pulp-paper-1.jpg)
Knife gate solutions
for pulp and paper
We supply many major pulp and paper groups with knife gate valves, from manual on-off to sophisticated fully automated process knife gate valves in various material including Titanium and SMO 254, from smaller sizes DN 50 (2”) up to DN 1800 (72”).
Our product range includes special solutions for various pulp and paper processes, like a junk trap solutions for high density cleaners, quick closing valves for stock preparation and wood chip cleaners and o-port valves with through-going gates for pulp concentrations up to 18% commonly used under pulp towers. Many of our valve types are available in several pressure classes – up to 20 bar.
Stafsjö is a trusted and established supplier to the pulp and paper industry for almost a century and we work hard to support our customers for future challenges and new processes such as bio refineries.
Recommended products
![D2G knife gate valve close-up](https://www.stafsjo.com/wp-content/uploads/2021/03/d2g-n-close-400x610.jpg)
D2G
High speed valve for reject separation
![](https://www.stafsjo.com/wp-content/uploads/2021/03/hg-n-1-400x610.jpg)
HG
High performance through-going knife gate valve
![HL knife gate valve close-up](https://www.stafsjo.com/wp-content/uploads/2021/04/hl-1-n-400x610.jpg)
HL
A compact through-going knife gate valve for low pressure applications.
![HP knife gate valve close-up](https://www.stafsjo.com/wp-content/uploads/2021/03/hp-n-1-400x610.jpg)
HP
Through-going high pressure knife gate valve
![HPT knife gate valve](https://www.stafsjo.com/wp-content/uploads/2021/03/hpt-n-1-400x610.jpg)
HPT
Through-going high pressure knife gate valve in Titanium.
![HX knife gate valve close-up](https://www.stafsjo.com/wp-content/uploads/2021/03/hx-n-1-1-400x610.jpg)
HX
An extreme high pressure knife gate valve with through-going gate
![Junc Trap JT](https://www.stafsjo.com/wp-content/uploads/2021/03/jt-pic2-400x610.jpg)
JT
A complete Junc Trap solution for reject separation
![Knife gate valve JTV close up](https://www.stafsjo.com/wp-content/uploads/2021/03/jtv-n-1-400x610.jpg)
JTV
The optimal valve solution for junc traps and high density cleaners
![Knife gate valve MV close-up](https://www.stafsjo.com/wp-content/uploads/2021/02/mve-n-1-400x610.jpg)
MV
Uni-directional knife gate valve for on/off or control on dry media or liquids.
![RKO knife gate valve close-up](https://www.stafsjo.com/wp-content/uploads/2021/03/rko-pu-n-1-400x610.jpg)
RKO
This is the optimal valve solution for junc traps and high density cleaners
![RKS knife gate valve close-up](https://www.stafsjo.com/wp-content/uploads/2021/03/rks-n-1-400x610.jpg)
RKS
A stainless steel square or rectangular knife gate valve for powder, bulk and waste water sludge.
![TV knife gate valve close-up](https://www.stafsjo.com/wp-content/uploads/2021/04/tv-n-1-400x610.jpg)
TV
Compact transmitter isolation valve
![Knife gate valve WB14E close-up](https://www.stafsjo.com/wp-content/uploads/2021/04/wb14e-n-1-400x610.jpg)
WB14E
Stainless steel bi-directional and fully lugged high performance knife gate valve.
![Knife gate valve XV close-up](https://www.stafsjo.com/wp-content/uploads/2021/04/xv-n-1-400x610.jpg)
XV
Bi-directional chemical resistant knife gate valve in stainless steel