Welch Vacuum 2567B-50 WOB-L Pinston Pump User Manual
Page 3

TABLE OF CONTENTS
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 - Specifi cations
3.01
Specifi cation Chart
Section 04 - Motor Power Specifi cations / Features
4.01
Motor
Specifi cation 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 Confi gurations
4.06
Explosion Proof Pumps
Section 05 - Operation
5.01
Starting
Procedure
5.02
High Pressure Operation
5.03
Shutdown
Procedures
Section 06 - Specifi cations
6.10
Pump
Specifi cation Chart
6.11
Pumping Speed Curves
6.12
Dimensional
Drawing
6.17
Parts List and Exploded View
Section 07 - Specifi cations
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