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> Welch high vacuum pump 1.5 hp 115V belt drive 1397B
Welch high vacuum pump 1.5 hp 115V belt drive 1397B
1 1/2 HP / 115V / SINGLE PHASE
Free Air Displacement CFM (L/min) @ 60 hz: 17.7 (500)
THIS APPEARS TO BE A NEW PUMP IN EXCELLENT CONDITION IT APPEARS TO HAVE NEVER BEEN USED OR POWERED UP
THE PULLEY SHROUD HAS A MINOR DENT AND DOES NOT AFFECT PROPER(SEE 2nd PHOTO)
INCLUDES 2 QUARTS OF OIL, INTAKE FILTER, & RUBBER FEET
what do you mean by 1-Torr???? every one else go's by HG's whats a torr?
Welch 1397 DUOSEAL Belt Drive High Vacuum Pump
The Duoseal high vacuum belt drive pump offers stable, high efficiency pumping below 1 Torr.
Its lower pump RPM reduces internal wear compared to high-speed direct drives, and its cool running lowers maintenance requirements.
This pump has less moving parts to increase pump durability, with a high contamination tolerance.
It is excellent for degassing oils, plastics, epoxies, etc.
Other uses include refrigeration service, dehydration, backing pump for diffusion pumps, and vacuum ovens and furnaces.
This pump should not be operated continuously at pressures above 10 Torr.
Stable, high efficiency pumping below 1 Torr
Lower pump RPB reduces internal wear compared to high speed drives
Cool running lowers maintenance requirements
Less moving parts increase pump durability
High contamination tolerance
For degassing oils, plastics, epoxies, etc.
Backing pump for diffusion pumps
Ultimate Pressure, Torr:1 x 10-4
Tubing Needed, I.D. (in.) 1-5/8
Dimensions (in.) 26 x 13.7 x 18.8
