Grundfos 99030128 SL1.30.A30.75.EX.4.61R.C mechanical seal kit for SL1 submersible wastewater pump with S-Tube impeller. Primary shaft seal features SiC/SiC faces for 5.5 kW (7.4 HP) 230/460V three-phase 1750 RPM explosion-proof pump. Includes seals and gaskets for cast iron housing, ANSI flanged DN 100 inlet and DN 80 outlet, IP68 enclosure, and thermal switch motor protection. For use with pumps handling up to 52.8 L/s flow and 20.7 m head.

Approvals

CSA, FM

Auto-coupling

97626239

Built-in motor protection

THERMAL SWITCH

Cable type

SEOOW 600V

Control box

not included

Cooling jacket

without cooling jacket

Cos phi - p.f. at 1/2 load

0.77

Cos phi - p.f. at 3/4 load

0.84

Cos phi - power factor

0.87

Curve tolerance

2017 3B2

Density

998.2 kg/m³

Enclosure class (IEC 34-5)

IP68

Explosion proof

Yes

Flange standard

ANSI

Frame range

C

Impeller

Cast iron

Inst dry/wet

SUBMERGED

Insulation class (IEC 85)

H

Length of power cable

15 m

Liquid temperature range (°C)

10 - 40

Mains frequency

60 Hz

Max starts per hour

20

Maximum flow

52.8 l/s

Maximum head

20.7 m

Maximum installation depth

20 m

Maximum operating pressure (bar)

6

Maximum particle size

80 mm

Moisture sensor

with moisture sensors

Motor

EN-GJL-250

Motor efficiency at 1/2 load

89.2 %

Motor efficiency at 3/4 load

89.65 %

Motor efficiency at full load

88.9 %

Number of poles

4

Power input - P1

6.4 kW

Pressure rating

PN 10

Primary shaft seal

SIC/SIC

Product name

SL1.30.A30 .75.EX.4.61R.C

Product no

99030128

Pump housing

Cast iron

Range of ambient temperature (°C)

-20 - 40

Rated current

19.2/10.1 A

Rated power - P2

5.5 kW

Rated speed

1750 RPM

Rated voltage

3 x 230/460V V

Size of inlet connection

DN 100

Size of outlet connection

DN 80

Start method

star/delta

Starting current

120 A

Type of impeller

S-TUBE

Type of inlet connection

ANSI

Type of outlet connection

ANSI

Voltage tolerance

+10/-10 %

Water-in-oil sensor

without water-in-oil sensor