Self-primingliquefi ed gas pumps, PN 40
SERO is the optimal technological solution for transporting media whichcontain gas or which vaporize readily
SRZS … LPG NHE … LPG
Operating Data
Heads: upto350m upto290m
Flowrates: 0,3upto35m3/h 30upto170m3/hSRZS … LPG NHE … LPG
Speed: max.18001/min max.36001/min
Temperature: -40°Cupto+60°C -40°Cupto+60°C
Suctionheight: upto4mat20°C –
Ratedpressure: 40bar 40bar
Gasentrainment: max.50% max.30%
Max.motor: 55KW 75KW
NPSH-pump: 0,4upto1,5m 2upto7,7m
Housingpressure:
Nominalpressure40 Nominalpressure40
Drive: IEC-3-phasemotors,IP55,4-pole IEC-3-phasemotors,IP55,2-pole
Shaftseal: -Singleacting/optionaldouble-acting mechanicalsealasspecifiedbyDIN24960 Material: graphiticcarbon/siliconcarbide/viton <40bar,balanced-alsoavailablewithmagneticcoupling
-Standardsingleacting/optionaldouble- actingmechanicalsealasspecifiedby DIN24960 Material: siliconcarbide/graphiticcarbon/viton <40bar,balanced-alsoavailablewithmagneticcoupling
Directionofrotation:
Counterclockwise Counterclockwise
Socketposition: Suctioncasing: axialDischargecasing:radial
Suctioncasing: axialDischargecasing:radial
Bearings: Pressureside:deep-groovedballbearingSuctionside: bronze/specialmaterialIntermediatestages:bronze
Pressureside:deep-groovedballbearingHydraulic:specialcarbon
Flanges: AsspecifiedbyDINEN1092Suctionside: Nominaldiameters80–125mmPressureside:Nominaldiameters65–100mm
AsspecifiedbyDINEN1092Suctionside: Nominaldiameters40–100mmPressureside:Nominaldiameters20–65mm
SRZS … LPG NHE … LPG
Construction
Design
Sidechannelpump,gas-entraining,self-priming,insegmentedconstruction,withopenunpressurizedimpellers,single-stageormulti-stage,withNPSHsuctionimpeller.
Centrifugalpump,gas-entraining,notself-priming,insegmentedconstruction,withunpressurizedimpellersinconnectionwithstationaryblades.
SRZS … LPG NHE … LPG
Performance Range
Areas of application for our liquefied gas pumps•Loadingandunloadingtankcars (SEROemptiescontainersleavingonlyatiny residue)
•Carouselfilling/bottling
•Vaporizerfeeding
•LPG-tankstations/fuel-filling
Advantages for you•ThesteepQ-Hcharacteristiccurvecontrolssteam pressurefluctuations
•Thehydraulicpumpingsystemfeedstwo-phase streams(liquid-gasmixtureswithupto50%gas) withoutdifficultyatSEROSRZS … LPG
•Theoutputisnotinterruptedduringpartial degassing
•SEROSRZS … LPGguaranteereliablepumping becauseoftheirextremelylowNPSHvalues
•SEROSRZS … LPGreducethepressureinthe suctionline–theyareself-primingOur speciality:
Pumping from underground tanks!WithourspecialSRZS/2design,liquefiedgascanbepumpedwithamaximumsuctionheightof4mwithsuitableplantdesign.
Media to be pumped:•Propane •Butane •Mixtures
Material Specifi cation
Ductileiron(GGG40.3) Ductileiron(GGG40.3)
Suctioncasing: Ductileiron(GGG40.3) Ductileiron(GGG40.3)SRZS … LPG NHE … LPG
Stage: Ductileiron(GGG40) Ductileiron(GGG40)
Shaft: HSSteel1.4021 HSSteel1.4057
Impeller: Bronze(CuZn40AI1) NHE6 Bronze(G-CuSn12) Ductileiron(GGG50)NHE100 Bronze(G-CuSn12) Ductileiron(GGG40)
Foot: Ductileiron(GGG40.3) NHE6 Castiron(GG25)NHE100 Ductileiron(GGG40.3)
Mechanicalseal:
SIC/Carbon/Viton Carbon/SIC/Viton
Sectional View
SRZS … LPG
NHE … LPG
SERO PumpSystems GmbHIndustriestraße3174909MeckesheimGermany
Phone:+4962269201-0Fax: +4962269201-40
[email protected]@[email protected]
Dischargecasing:
40.0
1.06
/10.
E.G