Welch · Gasket
41-0643
GASKET, SEAL VALVE BLOCK
Where to get it
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As printed in the source
22 | 1 | 41-0643 | GASKET, SEAL | 52 | 1 | 61-8313A | VALVE BLOCK
Fits 1 model
As listed by Welch| Model | Source |
|---|---|
| DuoSeal 1405 | duoseal 1405 manual, p. 17 |
When ordering, give the model and serial number from the nameplate: some parts changed within a model’s life.
Where it sits
In the DuoSeal 1405
5 · Gaskets and O-rings
- GASKET, INTAKE CHAMBER COVER OIL CASE ASSEMBLY41-0234
- GASKET, SEAL VALVE BLOCK41-0643
- O-RING #214 VITON CENTER PLATE61-9284A
Our drawing of the machine type, with the DuoSeal 1405'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 22 · Section 8: EXPLODED VIEWduoseal 1405 manual, p. 16
Part number, name and fitment as published by Welch (source), retrieved 2026-10-19. Vac & Air is independent and not affiliated with the manufacturers shown; names and numbers identify the parts only.