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OWNER’S MANUAL

FOR DRY VACUUM PUMP

MODELS   2580B-01, 2580C-02, 2580B-50, 2580C-50,

2585C-02, 2585C-05, 2585C-50, 2585C-55 & 2585C-57

Warning

Not recommended for pumping acid, base or 

organic vapors or gases.

Warning

Be sure to properly identify intake and discharge 

before using pump. See section 2.5

 

Part No. 642830A  7/01/20

 Printed in USA

Summary of Contents for Welch 2580B-01

Page 1: ...0B 50 2580C 50 2585C 02 2585C 05 2585C 50 2585C 55 2585C 57 Warning Not recommended for pumping acid base or organic vapors or gases Warning Be sure to properly identify intake and discharge before us...

Page 2: ...ons are found where failure to observe the instruction could result in damage to the equipment associated equipment and process These units con rm to the SI International system of units of measuremen...

Page 3: ...ions 3 01 Speci cation Chart Section 04 Motor Power Speci cations Features 4 01 Motor Speci cation Chart 4 02 Changing the Voltage Settings for Global Motor Option on A Models 4 03 Changing the Voltag...

Page 4: ...ion II 5 I 20 CAUTION To reduce risk of electrical shock I 21 Do not disassemble Disassembly or attempted repairs if accomplished incorrectly can create electrical shock hazard Refer servicing to qual...

Page 5: ...or indirect moisture contact The pump should be located as closely to its system in order to utilize it most e ciently The pump is rated for indoor use only Maximum altitude 2000 meters Operating tem...

Page 6: ...rrected 2 23 Identi cation Symbols 2 24 Grounding Instructions This product should be grounded In the event of an electrical short circuit grounding reduces the risk of electric shock by providing an...

Page 7: ...monly used to indicate vacuum level when operating in the rough vacuum range 0 to 29 9 Hg Dial vacuum gauges give negative pressure that is pressure below atmospheric The reference point for the gauge...

Page 8: ...s if you have droplets coming out of the exhaust port If you see droplets of water Welch recommends you use a cold trap to capture the water before entering the pump or dilute the water vapor stream b...

Page 9: ...suspected area with a thick soap solution Escaping air will produce soap bubbles 3 14 Operating Pressure Range Model 2581 Dry Vacuum Pumps are designed to be run from atmospheric to their maximum vacu...

Page 10: ...n for the condition of the pump is the determination of its maximum vacuum capability This can be accomplished by blocking of the intake and reading the vacuum level on the gauge See Section 2 8 5 11...

Page 11: ...30 5 12 0 30 5 Shipping Weight lbs 27 5 27 5 Kg 12 5 12 5 Shipping Dimensions L in Inches cm 19 5 49 5 19 5 49 5 W in Inches cm 20 5 52 0 20 5 52 0 H in Inches cm 16 0 40 6 16 0 40 6 Catalog Number C...

Page 12: ...12 6 11 Pumping Speed Curves...

Page 13: ...13 6 12 Dimensional Drawing Dimensions of Pump Model 2580 2585 inches A B C D E F G H I J K L M N 12 5 11 69 7 37 5 25 10 5 8 5 9 5 8 75 3 06 0 75 4 62 0 75 4 5 6...

Page 14: ...0K 04 1 2 Note 1 Connecting Rod Assembly 2 2 2 Note 1 O Ring Valve Plate 2 2 3 2 Note 1 O Ring Connector Tube 4 4 4 1 Note 1 Head Screw 8 5 2 Note 1 Rubber Suction Feet 4 6 2 Note 1 Valve Plate Assemb...

Page 15: ...maximum vacuum readings from day to day The preset vacuum level may be adjusted by opening or closing the ori ce A small leak through the ori ce is provided to allow easy restart of the pump if you a...

Page 16: ...erative No other warranties are expressed or implied The method of executing this warranty servicing adjusting repairing or replacing shall be at the discretion of Gardner Denver Welch Vacuum Technolo...

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