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• Laboratory Vacuum pumps
• • High Throughput Standard Duty
• Laboratory Liquid Pumps
• A/C Refrigeration
• Industrial
• OEM Oil Free
• Order Online Help

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

2561B-24
2561C-24
2562B-01	$912.08
2562C-02	$912.08
2562C-05	$912.08
2567B-01	$912.08
2567C-02	$912.08
2581B-24	$1,779.44
2581C-24	$1,777.36

Additional Information

Some files may require the Adobe Acobat Plug-in:

2561

• Exploded View & Parts List (PDF)
• Speed Curve

• Picture

2562

• Exploded View & Parts List (PDF)
• Dimensional Drawing (PDF)
• Speed Curve
  Picture
  
  

  
  
  
  

High Throughput Standard Duty Oil-Free

Powered By An Economical WOB-L Piston

Simplicity is the key to the economical aluminum design. As piston wobbles, air resistance on upward stroke expands Teflon seal on piston to increase its efficiency while compensating for the wobble action.

Non-Corrosive Duty

• Cell harvesting
• Centrifuge
• Filtration
• Aspiration
• Drying

Features

• Vacuum to 4 Torr (29.8, in. Hg)
• Four sizes: 60, 65, 100 L/min
• No water or oil
• Lightweight, compact and quiet
• Continuous oil-free Pumping

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		2562B-01 $912.08	2567B-01 $912.08	2581B-24 $1,779.44
Wired for 220V, 50 Hz, 1 PH with Cont. Euro. (Schuko) Plug2		2562C-02 $912.08	2567C-02 $912.08	2581C-24 $1,777.36
Welch Model	2560	2565	2580	2585
Free Air Displacement
CFM (L/min) @ 60 Hz	1.6(45)	3.1(88)	3.5(99)	7.1(201)
m3/hr (L/min) @ 50 Hz	2.3(38)	4.4(73)	4.9(83)	10(168)
Max. Vacuum, in. Hg	29.6	27.6	29.6	27.6
Ultimate Pressure, Torr (mbar)	7.5(10)	60(80)	9(12)	60(80)
Stages	2	1	2	1
Tubing Needed, I.D., in.(mm)	3/8(10)	3/8(10)	3/8(10)	3/8(10)
Weight, lbs (kg)	16.5(7.5)	16.5(7.5)	22.5(10.3)	22.5(10.3)
Dimensions (LxWxH), in.	11.1x6.5x9.1	11.1x9.2x11	11.1x6.5x9.1	11.1x9.2x11
Ship Weight, lbs (kg)	21.5(9.7)	21.5(9.7)	27.5(12.5)	27.5(12.5)

1. All pumps supplied with an exhaust muffler and an installed intake hose barb.
2. 50Hz models provided with CE marking.

 

HIGH THROUGHPUT STANDARD DUTY Pump Accessories

 

Exhaust Silencer

Exhaust silencers are insalled in the exhaust port of the pump to reduce pump noise.

Exhaust Silencer
Cat. No.	1412C $28.25	1412D $44.51 ;	1412E $44.51	1412B $28.82
Pump Model	2565, 2585	2561	2581	2012, 2022, 2030, 2015, 2017

Replacement Jars

Plastic (1415C) or glass jar (1415B) to replace the collection jar included with the pumps.

Replacement Jars
Cat. No.	1415C $19.03	1415B $19.03 ;
Pump Model	2522, 2535, 2545, 2534	2561,2565,2581,2585,202501,202601,202701

Dial Vacuum Gauge

Inexpensive gauge for measuring vacuum level. Not an absolute pressure gauge.

Dial Vacuum Gauge
Cat. No.	726021 $38.17	;	726020 $72.78	726023 $120.00
Dial Diameter	2 in. O.D	2 in. O.D.	2 1/2 in.O.D.	2 in. O.D.
Unit of Measure	in. Hg, cm Hg (brass)	Pascal (Brass)	in. Hg, mm Hg (Brass)	in. Hg, mm Hg (stainless)
Connection	1/8" male NPT	1/8" male NPT	1/4" male NPT	1/8" male NPT