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Need a different nozzle size
Genuine Silvan quality and fit
Two Semi-Hydraulic Diaphragms – Heavy duty rubber for chemical resistance
These are/were original equipment on many boom sprayers
Outlet Port: 3/4"
Silvan Viton Valve Repair Kit – DDP-550, DDP-551 & DDP-555 | 5503-VHA S.162437 Need a different nozzle sizeKeep your Silvan diaphragm pump performing at its best with this genuine Viton Valve Repair Kit. Designed specifically for the DDP 550, DDP 551, and DDP 555 models, this kit gives you everything you need to restore non functioning valves and get back to spraying fast. Viton seals offer superior chemical resistance, making this kit ideal for use with herbicides, pesticides, and fertilisers. A cost effective alternative to full pump replacement.
