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CD
OM−05850−AR01
October 10, 2006
Rev. B 10-23-08
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
AUTOMATIC AIR RELEASE VALVES
MODELS
GRP33−30
GRP33−30A
GRP33−30B
THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO
www.gormanrupp.com
D
GORMAN-RUPP OF CANADA LIMITED
ST. THOMAS, ONTARIO, CANADA
Printed in U.S.A.
e
2006 The Gorman-Rupp Company
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Related Manuals for GORMAN-RUPP PUMPS GRP33−30
Summary of Contents for GORMAN-RUPP PUMPS GRP33−30
- Page 1 OM−05850−AR01 October 10, 2006 Rev. B 10-23-08 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST AUTOMATIC AIR RELEASE VALVES MODELS GRP33−30 GRP33−30A GRP33−30B THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO www.gormanrupp.com GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A. 2006 The Gorman-Rupp Company...
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Page 2: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ..........PAGE I −... - Page 4 OM−05850 INTRODUCTION Thank You for purchasing a Gorman-Rupp The following are used to alert maintenance per- AirMateT Automatic Air Release Valve. Read this sonnel to procedures which require special atten- manual carefully to learn how to safely install and tion, to those which could damage equipment, and operate your equipment.
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Page 6: Safety − Section A
OM−05840 SAFETY − SECTION A This information applies to Gorman- Rupp Automatic Air Release Valves. Re- fer to the manual accompanying the pump and power source before at- If the application involves volatile, cor- tempting to begin operation. rosive or hazardous liquids, wear pro- Because pump installations are seldom tective safety equipment, such as identical, this manual cannot possibly... -
Page 8: Installation − Section Bpage B
OM−05850 INSTALLATION − SECTION B Review all SAFETY information in Section A. two ways to identify your specific Air Release Valve. The first method is to look at the large pipe plug in Since pump installations are seldom identical, this the top of the valve. - Page 9 OM−05850 INSTALL AIR RELEASE VALVE DISCHARGE PIPE IN HORIZONTAL POSITION STREET TEE DISCHARGE CHECK VALVE CLEANOUT PLUG 1" UNION 90_ ELBOW PUMP DISCHARGE SUPPORT BRACKET BLEED LINE 1.25" SELF-PRIMING CENTRIFUGAL (31 MM) DIA. MIN. PUMP (CUSTOMER FURNISHED) EXTEND 6" (152 MM) BELOW PUMP OFF LIQUID LEVEL SUCTION LINE...
- Page 10 OM−05850 tem. Secure the bypass line to prevent this from occurring. It is recommended that pipe unions be installed at Any shut-off valve installed in a bypass the valve inlet and at each elbow in the return line to line must not be left closed during oper- ease disassembly and maintenance.
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Page 12: Operation − Section Cpage C
OM−05850 OPERATION − SECTION C THEORY OF OPERATION the upper valve body (at a controlled rate to pre- vent slamming of the plunger and/or valve chatter) and onto the top of the plunger chamber dia- Review all SAFETY information in Section A. phragm, compressing the plunger rod spring, closing the valve (Figure C−2). -
Page 13: Leakage
OM−05850 when the pump is shut down. This happens most pumped, and could damage the valve often in a closed system where the Air Release and/or injure personnel. Valve is isolated in the piping system by suction For most applications, no adjustment of the Air Re- and discharge flap valves. -
Page 14: Troubleshooting − Section Dpage D
OM−05850 TROUBLESHOOTING − SECTION D Review all SAFETY information in Section A. Before attempting to service the Air Re- lease Valve: 1. Familiarize yourself with this manual. 2. Disconnect or lock out the power source to the pump or isolate the Air Release Valve to ensure that it will re- main inoperative. - Page 15 OM−05850 man-Rupp distributor or the Gorman-Rupp Com- PUMP PREVENTIVE MAINTENANCE pany. The following preventive maintenance information Record keeping is an essential component of a applies to self-priming centrifugal pumps only. Un- good preventive maintenance program. Changes der normal conditions, the Air Release Valve re- in suction and discharge gauge readings (if so quires no preventive or routine maintenance.
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Page 16: Maintenance And Repair − Section Epage E
OM−05850 MAINTENANCE AND REPAIR − SECTION E UNDER NORMAL CONDITIONS, THE AUTOMATIC AIR RELEASE VALVES REQUIRE NO MAINTE- NANCE OR REPAIR DUE TO THEIR RUGGED DESIGN. HOWEVER, IF IT BECOMES NECESSARY TO REPLACE PARTS, FOLLOW THE INSTRUCTIONS IN THIS SECTION, WHICH ARE KEYED TO FIGURE E−2 AND THE ACCOMPANYING PARTS LIST. - Page 17 OM−05850 PARTS PAGE SECTION DRAWING Figure E−1. GRP33−30, GRP33−30A And GRP33−30B Air Release Valves PAGE E − 2 MAINTENANCE & REPAIR...
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Page 18: Parts List
OM−05850 PARTS LIST GRP33−30, GRP33−30A And GRP33−30B Air Release Valves This Parts List Represents Bill of Material Issue 1 For These Valves NOTE: REPLACEMENT PART AVAILABILITY IS LIMITED TO THE ELASTOMERIC COMPONENTS ONLY. ITEM PART MATL PART NAME NUMBER CODE PIPE PLUG NOT AVAILABLE ORIFICE... - Page 19 OM−05850 AIR RELEASE VALVE DISASSEMBLY AND REASSEMBLY Review all SAFETY information in Section A. If a manual shut-off valve is installed in the bypass line to facilitate service of Under normal conditions, Gorman-Rupp Automat- the Air Release Valve, be sure to open ic Air Release Valves require no maintenance due the shut-off valve after servicing the Air to their rugged design.
- Page 20 OM−05850 or damage and replace as necessary. Install the U-ring (11) in the lower valve body with the cup side toward the bottom of the valve body. The chamber between the upper and lower valve bodies is filled with propylene glycol anti-freeze, which could become contami- nated with the product being pumped if The U-ring (11) must be installed in the...
- Page 21 OM−05850 capscrew into the threaded hole in the plunger and Install the cotter pin (8) through the holes in the use the capscrew to hold the plunger in position lower valve body and through the castelation in the while seating the diaphragm around the plunger adjustable restrictor.
- Page 22 For U.S. and International Warranty Information, Please Visit www.grpumps.com/warranty or call: U.S.: 419−755−1280 International: +1−419−755−1352 For Canadian Warranty Information, Please Visit www.grcanada.com/warranty or call: 519−631−2870 THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA...
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