Wilo Flumen OPTI-RZP 80-3.31-4/30

Wilo

Flumen OPTI-RZP 80-3.31-4/30 · Recirculation pump. Electrical grid connection: 3~400 V, 50 Hz. Technical values, equipment, dimensions and documentation are transferred from the Wilo Türkiye product register.

wilo.OPTI-RZP_80-3_31-4_30_400V_60Hz

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Hardware and connection information transferred from Wilo Türkiye model registration.

Technical specifications

Weight net approx. m

500 kg

explosion protection

optional

Engine protection class

IP68

propeller model

3-blade impeller with self-cleaning center piece; Curved structure towards the back prevents clogging or knotting

Nominal impeller diameter Dnom

800 mm

Propeller rotation speed n

309 1/min

Transfer rate

4,750

Filler Pre-chamber

Transmission oil CLP220

Filling quantity Front chamber V

2,00

Filler Gear chamber

Transmission oil CLP220

Fill volume, gear chamber V

1,10

Filling Sealing section

white oil

Fill volume, seal chamber V

2,00

Motor type

T 20-4/30R (Ex)

engine model

Submersible motor – surface cooled

Mains connection

3~400 V, 50 Hz

Rated current I

36,5 A

Power consumption P 1 max

22,00 kW

Rated power P 2

18,5 kW

Number of revolutions n

1435 1/min

Efficiency rating η M

86,0 %

Power factor cos φ 100

0,86

Minimum fluid temperature T min

3 °C

Maximum fluid temperature T max

40 °C

Max. immersion depth

20 m

Insulation class

H

Max. control frequency t

15 1/h

Min. switching range t

3

Starting torque M

235

Inertia model

0,0598

engine bay

1 ball bearing, 1 two row angular contact ball bearing

Engine material

cast iron

static seal

FKM

motor shaft

1.4021, X20Cr13

Seal Thread/Sealing chamber

SiC/SiC, Q1Q1VGG

gear housing

5.1301, EN-GJL-250

Epicyclic gear

1.7131, 16MnCr5

gear ring

1.5216, 17MnV6

epicyclic gear

1.7131, 16MnCr5

drive output shaft

1.4462, X2CrNiMoN22-5-3

Seal Gear/Front chamber

FKM Fluoro rubber

insulation chamber

5.1301, EN-GJL-250

Insulation on fluid side

Q1Q1VGG

Materials — gear housing

1.4571, X6CrNiMoTi17-12-2

propeller

1.4408, GX5CrNiMo19-11-2

Materials — Epicyclic gear

1.4571, X6CrNiMoTi17-12-2

gear model

m 3.0 according to DIN 780/P10 (ISO54); sleeve gear and planetary gears case hardened and ground, internal gear slotted

gear slot

3x2 needle roller bearing (planet), 2 tapered roller bearings (drive shaft)

Service life L h10

100,000 working hours, ISO 281

Fluid temperature

3 °C … 40 °C

Manufacturer model name

Flumen OPTI-RZP 80-3.31-4/30

Product series

Flumen OPTI-RZP 50 ... 80

Information source

Wilo Türkiye official product catalogue; 27.10.2026

Manufacturer catalog ID

OPTI-RZP_80-3_31-4_30_400V_60Hz

Catalogue · PDF