INSTALLATION & OPERATION MANUAL
PRESSURE REGULATOR VALVE
MODEL DOMUS HF
Page 1: ...INSTALLATION OPERATION MANUAL PRESSURE REGULATOR VALVE MODEL DOMUS HF...
Page 2: ...3 5 VALVE WEIGHT 6 2 3 6 MAXIMUM WORKING PRESSURE 6 2 3 7 PRESSURE REGULATOR SPRING RANGE SET POINT 6 2 3 8 ACCURACY AND LOCK UP 7 2 3 10 PRESSURE REGULATOR DIMENSIONS 7 3 OPERATING PRINCIPLE 8 3 1 P...
Page 3: ...that all users of these equipments are properly instructed and warned on their potential danger and certify yourself that the personnel responsible for installation test commissioning operation and ma...
Page 4: ...alve can be positioned fully open Consequently when a regulator is put into operation the shutoff valves should be open slowly so that the regulator valve can assume its regulating position If the val...
Page 5: ...at after all regulators opening during maintenance service the repair kit must be changed It is also indicated to change a complete repair kit and not only specific part example o ring shutter to have...
Page 6: ...installation and safety of people involved in the operation 2 3 4 FLOW COEFICIENT DN KG 1 200 2 600 2 3 5 VALVE WEIGHT DN 150 PN16 NPT F 1 28 Kg 2 38 Kg 2 3 6 MAXIMUM WORKING PRESSURE 600 103 bar The...
Page 7: ...e 19 PILOTO G 33F SPRING COLOR PART NUMBER RANGE BROWN 01 49 33 14 0 36 0 bar BLACK 01 49 59 28 0 63 0 bar 2 3 8 ACCURACY AND LOCK UP Pressure regulator AC up to 2 5 SG up to 5 2 3 10 PRESSURE REGULAT...
Page 8: ...that is connected downstream the regulator in a connection in the own body valve has the function to relief the excess of pressure in the diaphragm upper chamber Under the shutter there is a small spr...
Page 9: ...gh force to move the shaft downward and open the pilot In this condition the pressure in the upper chamber of main valve will be higher than the pressure under the diaphragm of main valve and allow th...
Page 10: ...in the same level 5 All connections for sense line and discharge line requested by the model of pressure regulator are arranged in the pipeline and respect the dimensions provided by manufacturer 6 W...
Page 11: ...ol of the regulator Care with the filter installation is essential to the perfect operation of the apparatus because particles eventually found in the piping can lodge themselves the seat and the shut...
Page 12: ...outlet of pressure regulator at a pipe stretch free from obstruction with a pipe diameter sized to a velocity not higher than 25 m s considering the minimum pressure and the maximum flow The connectio...
Page 13: ...TALLATION LAYOUT It is recommended for a safety installation 1 Manual On Off valve sphere or similar 6 Gauge for outlet pressure 2 Filter with drain if possible 7 Purge valve ND 3 Gauge for inlet pres...
Page 14: ...the life time of some internal parts It means that the pressure regulator must be adjusted previously before operation 4 8 2 COMMISSIONING Utilizing as reference the assembly layout presented in the i...
Page 15: ...equalize the reserve by pass stream with the pressure of working stream the by pass regulator will remain closed To make the regulator in the reserve by pass line assumes the regulating pressure of t...
Page 16: ...reduced orifice Sensing line installed wrongly Verify if the sensing line is too close of main valve of near of an equipment that my cause flow turbulence Bleed valve wrongly adjusted Proced the adjus...
Page 17: ...be interpreted or suggest performance warranty in relation to the final products or the system usage purpose nor should they serve as usage recommendation for any product or process mentioned in the...
Page 18: ...essure Regulating Valve MI 23 Elaborado Verificado Aprovado CSQ Data Revis o P gina JJ VBL JM 15 12 17 00 18 de 19 POS DESCRIPTION QTY 1 DIAPHRAGM 1 2 SHUTTER 1 3 FILTER ELEMENT 1 4 PARBAK 1 5 O RING...
Page 19: ...Valve MI 23 Elaborado Verificado Aprovado CSQ Data Revis o P gina JJ VBL JM 15 12 17 00 19 de 19 PRE PILOT G 31F G33F CODE 28 20 41F POS DESCRIPTION QTY 1 RELIEF 1 2 DIAPHRAGM 1 3 SHUTTER 1 4 FILTER E...
