INSTALLATION, OPERATION AND
MAINTENANCE MANUAL
Figures 220-D, 220-DS, 220-U and 220-US
Drawing C- 1146, 2½
” to 20”
Lever & Weight Swing Check Valves
TABLE OF CONTENTS
Introduction
….………………………… 1
Description of Operation .....
………… 1
Receiving & Storage .....
……………… 1
Installation ......
…………………………. 1
Valve Construction ......
………………. 1
Start-Up ...
………………………………. 2
Preventive Maintenance ....
………….. 2
Trouble Shooting ...
…………………… 2
Disassembly ....
………………………… 2
Assembly ....
……………………………. 3
Replacement Parts List..
……………….. 3
Assembly Drawing/Parts Location .... 4
Warranty
.……………………………….. 5
9025 Marshall Road
• Cranberry Township, PA 16066 USA
Telephone (724) 776-1020
• Fax (724) 776-1254
Manual Number 220-IOM-0818R0
