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• Quiet Vacuum & Pressure Pumps
• Quiet Pressure Pumps
• A/C Refrigeration
• Welch Industrial
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Pricing is valid only for USA and Canada. All prices are in U.S. dollars.

2420B-01	$362.00
2420C-02
2430B-01
2430C-02
2440B-01	$430.00
2440C-02
2460B-01	$583.00
2460C-02
2478B-01	$613.00
2478C-02

Additional Information

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Related Brochures

• QUIET VACUUM & PRESSURE PUMPS (PDF)

 

 

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

Pricing is valid only for USA and Canada. All prices are in U.S. dollars.

	Catalog Number
Wired for 115V, 60 Hz, 1 PH with N. American 115V Plug	2420B-01 $362.00		2440B-01 $430.00
	2460B-01 $583.00	2478B-01 $613.00
Wire for 220V, 50 Hz, 1 PH with Cont. Euro. (Schuko) Plug2.
Welch Model	2420	2440
Free Air Displacement
CFM (L/min) @ 60 Hz	1.24(35)	2.3(65)
m3/hr (L/min) @ 50 Hz	1.7(29.2)	3.2(54.2)
Maximum Pressure, psi	3.0	3.5
Max Noise dB	35	35
Port Size (NPT)	1/8"	3/8"
Weight, lbs. (kg)	5.3(2.4)	12.1(5.5)
Dimensions L x W x H in.	5.83x5.04x4.38	4.83x6.83x7.79
Ship Weight, lbs (kg)	8(3.6)	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	35	35
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

Pricing is valid only for USA and Canada. All prices are in U.S. dollars.

Maintained On/Off Foot Switch
Cat No.	1430A $104.50

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

Pricing is valid only for USA and Canada. All prices are in U.S. dollars.

Momentary On/Off Foot Switch
Cat No.	1430B $157.80

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

Pricing is valid only for USA and Canada. All prices are in U.S. dollars.

Momentary On/Off Foot Switch w/IEC Connections
Cat No.	1430C $157.80