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INSTALLATION, OPERATION 

& MAINTENANCE INSTRUCTIONS

313 OVERFLOW TRAP

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TABLE OF CONTENTS

Overview .................................................Cover
General Information ............................Cover
Installation .......................................................4
Operation .........................................................4
Maintenance ...................................................4
Float Ball Level Test Procedure .................5
Float Ball Level Adjustment Procedure..6 
Information Present on 313's ....................7 
Overflow Trap Specifications.....................8 
Overhaul / Parts Kits ...........................9 & 10
Drawings..................................................11-14

This document covers the installation, operation and maintenance 
of 313 Overflow Traps presented in the “Level Controls and 
Accessories”, Product Specification. 

The instructions given herein cover generally the operation and 
maintenance of subject equipment. Should any questions arise 
which may not be answered specifically by these instructions, 
they should be referred to Warren Controls Inc. for further detailed 
information and technical assistance. This manual cannot possibly 
cover every situation connected with the operation, adjustment, 
inspection, test, overhaul and maintenance of the equipment 
furnished.  Every effort is made to prepare the text of this manual 
so that engineering and design data is transformed into the most 
easily understood wording.  Warren Controls Inc., in furnishing this 
equipment and this manual, must presume that the operation and 
maintenance personnel assigned thereto have sufficient technical 
knowledge and experience to apply sound safety and operational 

PRODUCT OVERVIEW

practices which may not be covered herein. In applications where 
Warren Controls Inc. furnished equipment is to be integrated with a 
process or other machinery, these instructions should be thoroughly 
reviewed to determine the proper integration of the equipment into 
the overall plant operational procedures. Warren Controls does not 

assume responsibility for the selection, use, or maintenance of any 

product.  Responsibility for proper selection, use, and maintenance 

of any Warren Controls product remains solely with the purchaser 

and end-user.

GENERAL INFORMATION

313_IOM_RevC_0418

Summary of Contents for 313

Page 1: ...ted with the operation adjustment inspection test overhaul and maintenance of the equipment furnished Every effort is made to prepare the text of this manual so that engineering and design data is tra...

Page 2: ...R TRANSPORTATION IMMEDIATELY NOTIFY YOUR SALES ORGANIZATION OF ANY DAMAGED GOODS UPON RECEIPT DO NOT ATTEMPT TO MOVE OR DISTURB THE OVERFLOW TRAP FURTHER SO PHOTOS MAY BE TAKEN IF THE SHIPPING CONTAIN...

Page 3: ...nks with steam blankets produce additional liquid as the steam condenses The C 313 Overflow Trap traps and relieves this condensate through its internal pilot without the steam blanket escaping Overfl...

Page 4: ...ty The 313 Overflow Trap relieves the overflow through its internal single seated main stage valve Buoyancy of the overflow trap s internal float ball provides force to actuate the internal pilot oper...

Page 5: ...with float ball extending out of the open end of the float chamber Use clamps to secure internal valve assembly with float ball to float chamber 8 With piston disc seated in valve body and pilot assem...

Page 6: ...level is within range of values shown in Float Ball Level Table with piston disc seated in valve body and pilot assembly seated on piston disc when clevis pin cotter pin and float lever are reinstalle...

Page 7: ...ation Label attached to side of tank Up direction UP On tank On Installation Orientation Label attached to side of tank There is information present on each overflow trap ranging in importance from th...

Page 8: ...ity 3 313 Brass bronze internal valve assembly with 316 stainless steel float ball and float arm shown separately Serial number label located here Sales order serial number label stamped here 313 OVER...

Page 9: ...e valve body A damaged or worn inner valve body can result in the inadequate removal of condensate and overflow or the loss of the steam blanket from the tank and can also cause damage to the piston d...

Page 10: ...N 4 1 FLOAT BALL 23 1 END COVER GASKET 19 1 INNER VALVE BODY GASKET 313 INTERNAL VBA KIT SEE DWG 03130611101 ITEM QTY DESCRIPTION ITEM QTY DESCRIPTION 1 2 CAPSCREW 12 1 JAMNUT 2 A R WASHER 13 1 LEVER...

Page 11: ...11 Level Controls IOM 313 313_IOM_RevC_0418 DRAWING 03130611101 1...

Page 12: ...12 2600 Emrick Blvd Bethlehem PA 18020 USA 800 922 0085 www warrencontrols com DRAWING 03130611101 2...

Page 13: ...13 Level Controls IOM 313 313_IOM_RevC_0418 DRAWING 03130611101 3...

Page 14: ...14 2600 Emrick Blvd Bethlehem PA 18020 USA 800 922 0085 www warrencontrols com DRAWING 03130614111...

Page 15: ...15 Level Controls IOM 313 313_IOM_RevC_0418 NOTES...

Page 16: ...2600 EMRICK BLVD BETHLEHEM PA 18020 USA 800 922 0085 WWW WARRENCONTROLS COM DEPENDABLE RUGGED PRECISION CONTROL VALVES AND ACCESSORIES 313_IOM_RevC_0418...

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