Welch Vacuum 2581B-50 WOB-L Pinston Pump User Manual
Page 14

14
6.17 Parts List and Exploded View for Pump Model 2581
Item
Number
Qty.
Part No.
Description
Service
Kit
Seal Kit
Feet Kit
2581K-03 2581K-04 2500K-04
1
2
Note 1
Piston Cup
-
-
-
2
2
Note 1
Cylinder Sleeve
2
-
-
3
2
Note 1 O-Ring Cylinder
2
-
-
4
1
Note 1
Valve Intake / Intake Stage
1
1
-
5
2
Note 1
Valve Exhaust
2
2
-
6
2
Note 1
O-Ring Valve Plate
2
2
-
7
2
Note 1
O-Ring Connector Tube
2
2
-
8
8
Note 1
Head Screw
6
-
-
9
1
Note 1
Valve Intake / Exhaust Stage
1
1
-
10
4
Note 1
Rubber Suction Feet
-
-
4
11
2
Note 1
Handle Screw
2
2
-
Note 1: Parts available in kits
shown in the following last three
columns.