Quiet Pressure Pumps
Features
- Continuous duty – long life.
- Sound insulation is built-in to ensure whisper-quiet operation.
- No sliding parts—no lubrication is ever needed.
- Exhausted air is always clean and particle free.
- Economically priced—ideal for environmental monitoring, air sampling, and water aeration.
Ordering Information1 & Specifications
| Catalog Number | |||
|---|---|---|---|
| Wired for 115V, 60 Hz, 1 PH with N. American 115V Plug |
2420B-01 $340.08 |
2430B-01 $407.68 |
|
| 2460B-01 $532.48 |
2478B-01 $577.20 |
||
| Wire for 220V, 50 Hz, 1 PH with Cont. Euro. (Schuko) Plug2. |
2420C-02 $396.24 |
2440C-02 $532.48 |
|
| 2478C-02 $634.40 |
Welch Model | 2420 | 2430 | 2440 |
| Free Air Displacement | |||
| CFM (L/min) @ 60 Hz | 1.24(35) | 2.0(57) | 2.3(65) |
| m3/hr (L/min) @ 50 Hz | 1.7(29.2) | 2.8(47.5) | 3.2(54.2) |
| Maximum Pressure, psi | 3.0 | 3.0 | 3.5 |
| Max Noise dB | 31 | 30 | 33 |
| Port Size (NPT) | 1/8" | 3/8" | 3/8" |
| Weight, lbs. (kg) | 5.3(2.4) | 11.0(5.0) | 12.1(5.5) |
| Dimensions L x W x H in. | 5.83x5.04x4.38 | 4.83x6.83x7.79 | 4.83x6.83x7.79 |
| Ship Weight, lbs (kg) | 8(3.6) | 13(5.9) | 14(6.4) |
| Welch Model | 2460 | 2478 | |
| Free Air Displacement | |||
| CFM (L/min) @ 60 Hz | 3.2(90.6) | 3.6(102) | |
| m3/hr (L/min) @ 50 Hz | 4.5(75.5) | 5.1(85) | |
| Maximum Pressure, psi | 4.0 | 3.5 | |
| Max Noise dB | 37 | 38 | |
| TPort Size (NPT) | 3/8" | 1.18" dia. | |
| Weight, lbs. (kg) | 13.2(6.0) | 18.3(8.3) | |
| Dimensions L x W x H in. | 4.83x6.83x7.79 | 10.01x8.94x8.59 | |
| Ship Weight, lbs (kg) | 15(6.8) | 20(9.1) | |
1. All pumps supplied with 6 ft. line cord.
2. 50 Hz models provided with CE marking.
Quiet Pressure Accessories
Maintained On/Off Foot Switch
Hands free maintained on/off pump operation. No adaptors or special connection needed. plug directly into the power source outlet 115V, 60HZ only.
Ordering Information
| Maintained On/Off Foot Switch | |
|---|---|
| Cat No. | 1430A $95.25 |
Momentary On/Off Foot Switch
Hands free momentary on/off pump operation. No adaptors or special connection needed. plug directly into the power source outlet 115V, 60HZ only.
Ordering Information
| Momentary On/Off Foot Switch | |
|---|---|
| Cat No. | 1430B $144.00 |
Momentary On/Off Foot Switch w/IEC Connections
Hands free momentary on/off pump operation with IEC connections. No adaptors or special connection needed. plug directly between the IEC power outlet and supplied line cord, 90 - 230V.
Ordering Information
| Momentary On/Off Foot Switch w/IEC Connections | |
|---|---|
| Cat No. | 1430C $144.00 |
