Materials
Body
Pilot
Head
Internalparts
Seals
Diaphragm
*DVGWapprovalforPemax=16bar(withmodifieddiaphragmhousing)
Selection of the regulator version
TospecifytheversionoftheRB4700seriestobeordered,theoptionsand
relevantcodesshouldbeselectedfromthetablebelow
R
X
X
B
E
Example:ModelRBE471 1DN25SisaregulatorwithaTF51 1pilot,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
Spheroidgraphitecast-ironEN-GJS-400-15DIN1693
CastSteelG20Mn5N
Blocks:
Cover:
Pressedsteel/UNIEN10025
Stainlesssteelandbrass
Nitrilerubber
Polyesterfabric
4
7
X
X
1
2
3
0
1
2
steelUNI5105
aluminumUNI6362
-D
DN
X
-D
25
40
50
80
100
S
Variants
Balanced-Highaccuracyversion
Externalimpulse
Lowpressure(TF51 1):5-280mbar
Mediumpressure(TF512):0 1 -1bar
Highpressure(TF513):025-13bar
Withoutsafetydevices
Over-pressureshut-offvalve
Over-andlow-pressureshut-offvalve
DVGWapproval
Orifice(Ø30mm)
Orifice(Ø38mm)
Orifice(Ø48mm)
Orifice(Ø78mm)
Orifice(Ø98mm)
Silentversion
19