INSTALLATION, OPERATION AND
MAINTENANCE MANUAL
Drawing C-1239 Figures 221-D, 221-DS, 221-U and 221-US
Single-Increasing Lever & Weight Swing Check Valves
(3”x 4”, 4”x 6”, 8”x 10” and 10”x 12”)
Drawing C-1164 Figures 222-D, 222-DS, 222-U and 222-US
Double-Increasing Lever & Weight Swing Check Valves
(3”x 6”, 4”x 8”, 6”x 10”, 8”x 12” and 10”x 14”)
TABLE OF CONTENTS
Introduction
….………………………… 1
Description of Operation .....
………… 1
Receiving & Storage .....
……………… 1
Installation ......
…………………………. 1
Valve Construction ......
………………. 2
Start-Up ...
………………………………. 2
Preventive Maintenance ....
………….. 2
Trouble Shooting ...
…………………… 2
Disassembly ....
………………………… 2
Assembly ....
……………………………. 3
Parts List
……………………………….. 3
Figure 221 Drawing/Parts Location
…. 4
Figure 222 Drawing/Parts Location
…. 5
Warranty
.……………………………….. 6
9025 Marshall Road
• Cranberry Township, PA 16066 USA
Telephone (724) 776-1020
• Fax (724) 776-1254
E-mail:
Manual Number 221-222-IOM-0818R0
Содержание 221-D
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