Pulp, Paper & Cellulose
Pulp, Paper & Cellulose Valve Solutions
The pulp, paper and cellulose industry is a harsh and challenging environment where equipment is constantly exposed to erosive slurries, corrosive chemicals, high temperatures, and vibrations from pumps and refiners. To ensure long-term reliability and safety, plants demand robust valve solutions that can handle these extreme conditions without compromising performance.
Valve & Automation offers application-specific valve and actuator solutions from leading manufacturers including NAF, Stafsjö, and Richter — trusted by local industry leaders such as Mondi, Sappi, and Mpact. These products are specifically engineered for continuous process stability, zero leakage, and reliable shut-off across the toughest applications in the mill.
Naf Process Valve Applications
Pulp Mill (Digestion Recovery Bleaching Causticizing)
M = Manual O = On/Off C = Modulating Control
| Position / Media / Mill Section | Conc. | M | O | V&A Solution | |
|---|---|---|---|---|---|
| Series | Type | ||||
| Alkaline Nearalization Reacot (Sulphite) | • | • | Stafsjö | HG Knife gate valve | |
| Black Liquor | • | • | Stafsjö | MV Knife gate valve | |
| Blow Pit | • | • | Stafsjö | MV Knife gate valve | |
| Brown Stock | 7-17% | • | • | Stafsjö | HG Knife gate valve |
| Digester Tailings-Knotter/Rejects | • | • | Stafsjö | HG Knife gate valve | |
| Dry Lime | • | • | Stafsjö | RKO Knife gate valve | |
| Fly Ash (Dry) | • | • | Stafsjö | SLV Knife gate valve | |
| Green Liqour | • | • | Stafsjö | HG Knife gate valve | |
| Green Liqour Dregs | • | • | Stafsjö | HG Knife gate valve | |
| Lime Mud Slurry | • | • | Stafsjö | HG Knife gate valve | |
| MC Stock from Storage to Bleach Tower | • | • | Stafsjö | HG Knife gate valve | |
| MC Stock Storage | • | • | Stafsjö | HG Knife gate valve | |
| MC Stock to Upflow Tower | • | • | Stafsjö | HG Knife gate valve | |
| Pulp Stock | 1-17% | • | • | Stafsjö | MV/HG Knife gate valves |
| Slaker | • | • | Stafsjö | HG Knife gate valve | |
| Turpentine | • | • | Stafsjö | HG Knife gate valve | |
| White liquor | • | • | Stafsjö | HG Knife gate valve | |
| Wood Chips | • | • | Stafsjö | HG Knife gate valve | |
Paper Mill (Coating Kitchen Stock Prep Paper Machine)
M = Manual O = On/Off C = Modulating Control
| Position / Media / Mill Section | Conc. | M | O | V&A Solution | |
|---|---|---|---|---|---|
| Series | Type | ||||
| Stock | 0-5% | • | • | Stafsjö | MV Knife gate valve |
| Stock Prep | 5-17% | • | • | Stafsjö | HG Knife gate valve |
| White Water | • | • | Stafsjö | MV Knife gate valve | |
Recycled Paper & Miscellaneous Applications
M = Manual O = On/Off C = Modulating Control
| Position / Media / Mill Section | Conc. | M | O | V&A Solution | |
|---|---|---|---|---|---|
| Series | Type | ||||
| HD Cleaners | • | • | Stafsjö | HG HG /RKO Knife gate valves | |
| Hydropulper Rejects | • | • | Stafsjö | HG HG /RKO Knife gate valves | |
Valve Selection in General
M = Manual O = On/Off C = Modulating Control