Two-Stage Belt-Drive Vacuum Pumps, Welch
Product number: 741-442.0Brand: Welch Vacuum Technology Parts
Two-Stage Belt-Drive Vacuum Pumps, WelchProduct number: 741-442.0
- Low pump rpm means long service life
- Wide range of pumping speeds, 0.9 to 23 cfm
- Rugged design for tough applications
- Proven dependability
- Low ultimate pressures to 1 x 10-4
- Elliptical bore design produces high free air displacement with low rpm
Because Duoseal pumps operate at a low rpm, they run cooler and reach a lower ultimate pressure with less back-streaming than higher rpm models. Another proven advantage of low speed is a reduced rate of friction and wear on pump components which has resulted in a longer service life for Duoseal pumps. Warranty: 1 year.
*All single phase, dual voltage, thermal load-protected motors come wired for low voltage setting. Explosion-proof motors are rated Class I, GrD; Class II, GrE, F, G.
Available products
Catalogue #
Manufacturer #
741-442-02
1400B-80
741-442-04
1400W-01
741-442-06
1405B-80
741-442-08
1405W-01
741-442-10
1402B-80
741-442-12
1402W-01
741-442-14
1376B-01
741-442-03
1400C-02
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