VACUUBRAND · Valve
638440
Inlet and outlet valve D24, PTFE 0.5
Where to get it
No supplier lists this number with us yet. Ask for a quote and a specialist finds price and availability for you.
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As printed in the source
638440 Ein.-u.Ausl-vent.-d./ inlet and outlet valve
Fits 4 models
As listed by VACUUBRANDWhen ordering, give the model and serial number from the nameplate: some parts changed within a model’s life.
Where it sits
In the RE 2.5
12 · Gas ballast and relief valves
- Oil non-return valve spring20636303
- Valve spring20644370
- Oil non-return valve spring636303
- Oil no n-return valve ho using636376
- Oil no n-return valve plunger636377
- Oil no n-return valve spring636447
- Oil no n-return valve plate636450
- Inlet and outlet valve D24, PTFE 0.5638440
- Inlet and o utlet valve D24, FFKM638836
- Valve spring644370
- Valve seat sea644384
Our drawing of the machine type, with the RE 2.5'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 5 · Exploded viewInstructions for repair: rotary vane pumps RE/RZ/RC 2/2.5/5/6/8/9/16, p. 59
Part number, name and fitment as published by VACUUBRAND (source), retrieved 2026-10-19. Vac & Air is independent and not affiliated with the manufacturers shown; names and numbers identify the parts only.