Pulp, Paper & Cellulose
V&A has a long history in the pulp & paper industry together with global leaders NAF and Stafsjö who themselves each have more than 100 years’ experience in the pulp & paper industry. V&A have extensive experience supplying equipment to Mondi Business Papers, Sappi Chemical Cellulose, Sappi Southern Africa, Sappi Fine Papers, Mpact and Nampak.
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