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Cl.CW
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902 South 2nd Street
Oskaloosa, IA 52577
14"-24" RESILIENT SEAT GATE
VALVE WITH NO GEARING
O&MMANUAL
TABLE OF CONTENTS
General Info/Installation Instructions
Operation/Inspection & Maintenance
RW GV 14" & 16" Parts List
RW GV 18" & 20" Parts List
RW GV 24" Parts List
Recommended Spare Parts
14"
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20" RW Valve Dissassembly
24" RW Valve Dissassembly
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Table of Contents
Summary of Contents for CLOW VALVE COMPANY 2638
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Page 1: Table Of Contents
Cl.CW Clow Valve Co. 902 South 2nd Street Telephone: 641 673-8611 Oskaloosa, IA 52577 Fax: 641 673-8269 14"-24" RESILIENT SEAT GATE VALVE WITH NO GEARING O&MMANUAL TABLE OF CONTENTS Page I General Info/Installation Instructions Page 2 Operation/Inspection & Maintenance Page 3 Records Page 4 RW GV 14"... -
Page 2: Clow Valve Co
CLOW Clow Valve Co. 902 South 2nd Street Telephone: 641 673-8611 Oskaloosa, IA 52577 Fax: 641 673-8269 INSTALLATION, OPERATION AND MAINTENANCE MANUAL RESILIENT SEAT GATE VALVE Inspect all valves at time of delivery for shipping damage and to confirm compliance GENERAL;... - Page 3 Operation Do not operate valves in systems that exceed the rated working pressure of the valve, (14"-24" 250 psi). System should be completely flushed before valve is operated in normal cycle. The RJW valve opens and closes by turning the main valve stem with an operating nut or handwheel.
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Page 4: Records
GV O&M continued RECORDS Trouble can be anticipated with a good Inspection Program . Such a program can not exist without good records. Poor records are worse than none. A printed 5 x 8 record card for each valve and hydrant in the system is most convenient. Identification of each valve is essential. - Page 5 14" & 16" R/W VALVE - NO GEAR Complies with applicable MATERIAL LIST requirements of AWWA C515 CLOW VALVE COMPANY MODEL 2638...
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Page 6: Recommended Spare Parts
COMPLIES WITH APPLICABLE 18" & 20" RW VALVE - NO GEAR REQUIREMENTS OF AWWA C515 MATERIAL LIST CLOW VALVE COMPANY MODEL 2638 ITEM DESCRIPTION MATERIAL BODY DUCTILE IRON COVER DUCTILE IRON WEDGE EPDM RUBBER WEDGE CAP DELRIN ORING EPDM RUBBER... -
Page 7: Recommended Spare Parts
24" RW RTS - NO GEAR COMPLIES WITH APPLICABLE MATERIAL LIST REQUIREMENTS OF AWWA C515 CLOW VALVE COMPANY MODEL 2638 RECOMMENDED SPARE PARTS RECOMMENDED SPARE PARTS ITEM NO. DESCRIPTION MATERIAL ITEM NO. DESCRIPTION MATERIAL BOLT STEEL THRUST WASHER DELRIN WASHER... - Page 8 RW GV O&M Continued Di s-assembly Instructions 14" & 16" No Gear Valve Ref; 14" & 16" RW Valve Material List {page 4) 1. Remove (1)bolt, (2)flat washer, & (3)op nut. Remove (4)bolts, nuts from (5)follower plate. Remove (5)follower plate. Remove (10)stem by turning the stem in the opposite direction of opening the valve.
- Page 9 RW GV O&M Continued Dis-assembly Instructions 24" No Gear Valve Ref; 24" RW Valve Material List {page 6) Remove (1)bolt, (2)flat washer, & (3)op nut. Remove (19)key & retain. Remove bolts & nuts from (4)follower plate. Remove (4)follower plate. Remove (5)bolts, nuts from (11)extension. Remove (11)extension.
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Page 10: Troubleshooting
Clow RW G V O&M Cont. Troubleshooting RWGV'S Corrective Action Symptoms - Causes Possible Malfunction Tighten Bolts Joint Leakage Bolt Tension Relaxing Seat Leakage Foreign material caught in seat Operate valve to flush Out debris. Flush or dis-assemble Seats Dirty/Carroded &...
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