
19
Materials
Body
Spheroidgraphitecast-ironEN-GJS-400-15DIN1693
CastSteelG20Mn5N
Pilot
Blocks:
steelUNI5105
Cover:
aluminumUNI6362
Head
Pressedsteel/UNIEN10025
Internalparts
Stainlesssteelandbrass
Seals
Nitrilerubber
Diaphragm
Polyesterfabric
*DVGWapprovalforPemax=16bar(withmodifieddiaphragmhousing)
Selection of the regulator version
TospecifytheversionoftheRB4700seriestobeordered,theoptionsand
relevantcodesshouldbeselectedfromthetablebelow
R
X
X
4
7
X
X
-D
DN
X
Variants
B
Balanced-Highaccuracyversion
E
Externalimpulse
1
Lowpressure(TF511):5-280mbar
2
Mediumpressure(TF512):01-1bar
3
Highpressure(TF513):025-13bar
0
Withoutsafetydevices
1
Over-pressureshut-offvalve
2
Over-andlow-pressureshut-offvalve
-D
DVGWapproval
25
Orifice(Ø30mm)
40
Orifice(Ø38mm)
50
Orifice(Ø48mm)
80
Orifice(Ø78mm)
100
Orifice(Ø98mm)
S
Silentversion
Example:ModelRBE4711DN25SisaregulatorwithaTF511pilot,anover-pressureshut-offand
silencer
Selection of the safety shut-off options
SSV8600with:DN25/40/50/80/100
SSV8500with:DN25/40/50/80(PleasecontactforPe>=6barbyDN50-DN80)
Safety device features
Manualbottomcontrolforvoluntaryintervention
Manualreset
Built-inby-passsystem