ITRON RB 4700 Serie Inbetriebnahmeanleitung Seite 18

Description
TheRB4700andRB4700Disapilot-operatedregulatorwithanintegratedoptionalsafetyshut-off
deviceThebalancedcompensationsystemensuresconstantoutletpressurewhentheupstreampres-
surevariesThisregulatorhasaveryhighoperatingperformance
Applications
Itisdesignedforuseinindustrialanddistributionapplications:suchasgassupplynetworks,districtsta-
tions,heatingplantsandindustries
Itcanalsobeusedforallinstallationswithcontinuousconsumptionandrapidvariationsofflow-rate
Theaccuratepressurecontrolandfastresponseoftheregulatorareensuredbytheperfectoperating
performanceofthepilot
Technical features (CE-conform,DVGW-approval*seeleaflet)
·
 Inletpressure 
·
 Outletpressure
·
 Accuracyclass
  
  
  
  
·
 Temperaturerange
·
 Ambienttemperature -30°Cto+60°C
·
 Acceptablegases
  
·
 Installation
·
 Safetydevices 
  
  
·
 Available
  
Connections
·
 Sizes 
·
 Bodylengths 
·
 Flanges
  
*withexceptionofDN40
18
Pu: 
Pd: 
5-20mbar: 
 20-50mbar:
 50-200mbar:
 02-13bar: 
 AG30-AG1
-20°Cto+60°C
Naturalgas,towngas,propane,butane,
 air,nitrogenoranynon-corrosivegas
 Horizontalorvertical
Optionalbuilt-in,safetyshut-offvalve:
 Over-pressureshut-off(OPSO)
 andlow-pressureshut-off(LPSO)
 Valvepositionindicator
 Silentversion/noisereduction
 DN25,DN40,DN50,DN80,DN100
AccordingtoEN334
 Steel: 
 Castiron:
 (Pd+05bar)-192bar/25bar
 5mbar-13bar
AC20/SG50
AC10/SG30
AC5/SG10
AC25/SG10
PN16,PN20(ANSI150),PN25,ANSI300*
PN16,PN20(ANSI150)