Welch Vacuum 2581B-50 WOB-L Pinston Pump - Manual (Page 3)

TABLE OF CONTENT
Section 01 - Installation
1.01 Unpacking
1.02 Pump Mounting
1.03 Pump Location / Environmental Conditions
1.04 Exhaust Provisions
1.05 Electric Power
1.06 Vacuum Connections
1.07 Vacuum Gauges
1.08 Vacuum Pump Oil
Section 02 - Pump Features & Principles of Operation
2.01 General Description
2.02 Principles of Vacuum Pump Operation
2.03 Effects of Continued Pressure Reduction
2.04 Ultimate Pressure
2.05 Pump Mechanism Description
2.06 Intake Anti-Suckback Protection
2.07 Pump Lubrication
2.08 Exhaust Filter
2.09 Gas Ballast Valve
2.10 UNIBARBTM Intake Fitting
Section 03 - Specifications
3.01 Specification Chart
Section 04 - Motor Power Specifications / Features
4.01 Motor Specification Chart
4.02 Changing the Voltage Settings for
Global Motor Option on “A”-Models
4.03 Changing the Voltage Settings for
Global Motor Option on “C”-Models
4.04 Changing the Voltage Settings on “A”-Models
4.05 Other Electrical Configurations
4.06 Explosion Proof Pumps
Section 05 - Operation
5.01 Starting Procedure
5.02 High Pressure Operation
5.03 Shutdown Procedures
Section 06 - Specifications
6.10 Pump Specification Chart
6.11 Pumping Speed Curves
6.12 Dimensional Drawing
6.17 Parts List and Exploded View for Pump Model 2581
Section 07 - Specifications
7.20 Vacuum System for Vacuum Chamber, Glove Box, Annular Space & Transfer Line:
7.21 System Components
7.22 Vacuum System for Cell Harvesting
Warranty
3