Welch · Valve
2-01-6320
SCREW SOCKET HD 5/16-18 x 1-1/4”” EXHAUST VALVE, UPPER
Where to get it
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As printed in the source
8 | 2 | 2-01-6320 | SCREW SOCKET HD 5/16-18 x 1-1/4”” | 38 | 1 | 41-2153 | 1 | 1 | EXHAUST VALVE, UPPER
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
6 · Gas ballast and relief valves
- SCREW PAN HD 10-32 x 3/8” LG. GAS BALLAST VALVE2-00-2706
- SCREW SOCKET HD 5/16-18 x 1-1/4”” EXHAUST VALVE, UPPER2-01-6320
- SETSCREW 1/4-20 X 1-3/4” LG. EXHAUST VALVE, LOWER2-01-8123
- HEX NUT 1/4-20, STEEL VALVE SPRING2-31-0112
- VALVE BLOCK SPACER2-36-9900
- PRESSURE RELEASE VALVE HOSE ADAPTER 13/16” HOSE ID41-0992
- SPRING HOLDER EXHAUST PLUG , LARGE41-1685
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 8 · 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.