Description
Welch 2090 Chemical Duty Diaphragm Pumps with Explosion Proof Motor (CSA/UL)
- Corrosion- resistant
- Flow from 4.5 to 6.9 cfm
- Maximum vacuum to 29 in. Hg(25 Torr)
- Fitted with Class I, Groups C&D explosion proof motor(CSA/UL)
- Portable
Welch corrosion-resistant diaphragm vacuum pumps are driven by explosion-proof motors rated for Class I Hazardous Locations(HazLoc). The aluminum pup head is PTFE coated and diaphragm is covered by a PTFE liner to separate chemical media from the diaphragm. The explosion proof motor is directly coupled to the diaphragm pumping module. Stainless steel tubing is used to connect pump heads together in one and two-stage configurations.
The vacuum pump doesn’t come with an on/off switch, plug or cord, but must be conduit wired to the on/off explosion proof control panel. Always use a certified electrician for proper installation of vacuum pump with explosion proof motor to meet your local municipal codes. Contact your local Welch area sales manager for further information
| Model |
2090 |
| FAD, lpm (cfm |
127 (4.5) |
Ultimate Pressure, Torr
|
25 |
| Max. Vac., in. Hg |
29 |
| Head Material |
Coated PTFE |
| Diaphragm liner |
PTFE |
| Inlet/Outlet connection |
NW25 |
| Motor Type |
Ex Proof1 |
| Electrical requirement |
115/230V 60Hz 1Ph |
| Weight, lbs(kg) |
54 (25.5) |
| Dimensions, LxWxH |
24.6 x 11.1 x 11.3 |
