Groth 1800A Manuel d'utilisateur

IOM-1800A Rev. A 12541 Ref. ID: 95806 ©2009 Groth Corporation Models 1800A, 1810A, 1820A, 1830

Page 10 of 17 II. PRODUCT LIMITED WARRANTY Only Groth’s Product Limited Warranty terms apply to purchase orders accepted by Groth Corporation. Sel

Page 11 of 17 APPENDIX A: Model 1800A Pressure/Vacuum Relief Valve ITEM DESCRIPTION STANDARD MATERIALS OF CONSTRUCTION ALUMINUM CAR

Page 12 of 17 APPENDIX B: Model 1810A Vacuum Relief Valve ITEM DESCRIPTION STANDARD MATERIALS OF CONSTRUCTION ALUMINUM CARBON STL 3

Page 13 of 17 APPENDIX C: Model 1820A Pressure/Vacuum Relief Valve ITEM DESCRIPTION STANDARD MATERIALS OF CONSTRUCTION ALUMINUM CAR

Page 14 of 17 APPENDIX D: Model 1830A Pressure Relief Valve ITEM DESCRIPTION STANDARD MATERIALS OF CONSTRUCTION ALUMINUM CARBON STL

Page 15 of 17 APPENDIX E: Model 1860A Pressure Relief Valve ITEM DESCRIPTION STANDARD MATERIALS OF CONSTRUCTION ALUMINUM CARBON STL

Page 16 of 17 APPENDIX F: Model 1870A Vacuum Relief Valve ITEM DESCRIPTION STANDARD MATERIALS OF CONSTRUCTION ALUMINUM CARBON STL

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Page 2 of 17 TABLE OF CONTENTS I. INTRODUCTION 3 II. DESIGN AND FUNCTION 4 1. FIGURE 1 – TYPICAL TANK INSTALLATION 4 2. FIGURE 2 – PRESSURE RE

Page 3 of 17 II. DESIGN AND FUNCTION Tank protection equipment typically includes an operating valve which is designed to provide

Page 4 of 17 INSTALLATION NOTES: (See Figure 1) 1. Minimum clearance between tank roof and vacuum inlet port must be at least equal to the valve n

Page 5 of 17 V. INSTALLATION A typical valve installation on a tank or vessel is illustrated in Figure 1, Page 4 using a Model 1820A Pressure/Vacuum

Page 6 of 17 VI. MAINTENANCE Groth Corporation recommends that all service performed on a pressure/vacuum relief valve is done at a Groth Authorized

Page 7 of 17 WARNING: When assembling a P/V valve, always use the correct length stem (as specified in Table 3), put the pressure and vacuum pallet

Page 8 of 17 VII. VALVE TESTING PROCEDURE General Information 1. Use only appropriate testing equipment designated by local regulations (e.g. API

Page 9 of 17 VIII. MODEL NUMBER IDENTIFICATION The nameplate on the Valve contains the Model Number, Serial Number, set pressures and flow capacity