Busch · Inlet / non-return valve
0947 504 331
Non-return valve
Where to get it
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As printed in the source
Air filter 0945 501 916 Non-return valve 0947 504 331
Fits 6 models
As listed by BuschWhen ordering, give the model and serial number from the nameplate: some parts changed within a model’s life.
Where it sits
In the SECO SD 1063 B
6 · Inlet non-return valve
Our drawing of the machine type, with the SECO SD 1063 B's own parts; this part is highlighted. Side view along the shaft. Oil-free (dry) pumps have no exhaust box oil, sight glass or oil filter; their exhaust filter is a dust filter.
In the manufacturer’s drawings
- Position 0947 504 331 · Spare partsInstruction manual SECO SV SD 1100 C EN, p. 15
Part number, name and fitment as published by Busch, retrieved 2026-10-19. Vac & Air is independent and not affiliated with the manufacturers shown; names and numbers identify the parts only.