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A Crane Co. Company USA: (937) 778-8947 • Canada: (905) 457-6223 • International: (937) 615-3598

Sump & Utility Pumps

5

A

www.cranepumps.com

Professional Plumbing

Series SP50

1/2" Spherical Solids Handling

Manual & Automatic, Submersible Sump /Effl uent

Series: SP50

1/2HP, 3450RPM, 60Hz

DESCRIPTION:

GENERAL PURPOSE PUMP FOR RESIDENTIAL AND 

LIGHT INDUSTRIAL SUMP APPLICATIONS

Testing is performed with 

water specifi c gravity of 1.0 

@ 68 ̊F (20 ̊C), other fl uids 

may vary performance

DISCHARGE ................................... 11⁄2” NPT, Female, Vertical

LIQUID TEMPERATURE ................ 104°F (40°C) Continuous

MOTOR HOUSING ............................ Cast Iron

PUMP STRAINER ............................. Thermoplastic

IMPELLER: Design ...................... 10 Vane vortex, with pump out vanes on back

 side. Balanced, ISO G6.3 

Material ..................... Cast Iron

SHAFT .............................................. Stainless Steel

O-RINGS .................................. Buna-N

HARDWARE ...................................... 300 Series Stainless Steel

PAINT ................................................. Air Dry Enamel

SEAL: Design ....................... Single Mechanical, Type 21 

Material ...................... Carbon/Ceramic/Buna-N

 Hardware -300 Series Stainless

CORD ENTRY .................................... 20 ft. (6m) Cord with plug and pressure

Gromment for sealing and strain relief

UPPER BEARING .............................. Single Row, Ball, Oil Lubricated

LOWER BEARING ............................. Single Row, Ball, Oil Lubricated 

MOTOR: Design ....................... Oil Filled

Insulation .................... Class B

SINGLE PHASE ................................. Permanent Split Capacitor (PSC). 

 Includes thermal overload protection in motor

LEVEL CONTROL

SP50X ........................ None

 SP50AX ...................... Wide angle, Mechanical, 20 ft. (6m) cord

 SP50VFX ................... Vertical fl oat, PVC, snap action, 20 ft (6m) cord

MINUMUM SUMP DIA:

SP50AX ...................... 18" (457mm)

 SP50X & SP50VXF .... 12" (305mm)

NOTE .................................................. GFCI Compatible to Comply with NEC 

 210.8 (A)

CSA 108

UL 778

LR16567

C US

9/10
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Sump & Utility Pumps

A Crane Co. Company USA: (937) 778-8947 • Canada: (905) 457-6223 • International: (937) 615-3598

6

A

www.cranepumps.com

Professional Plumbing

Series SP50

1/2" Spherical Solids Handling

Manual & Automatic, Submersible Sump /Effl uent

3/14

MODEL NO PART NO HP VOLT/PH Hz RPM

(Nom)

NEMA

START

CODE

FULL

LOAD

AMPS

CORD

LENGTH

CORD

SIZE

CORD

TYPE

SP50X 112875 1/2 120/1 60 3450 A 6.8 20 ft. (6m) 18/3 SJTOW

SP50AX 112877 1/2 120/1 60 3450 A 6.8 20 ft. (6m) 18/3 SJTOW

SP50VFX 112879 1/2 120/1 60 3450 A 6.8 20 ft. (6m) 18/3 SJTOW

inches

(mm)

IMPORTANT !

1.) PUMP MAY BE OPERATED “DRY” FOR EXTENDED PERIODS WITHOUT DAMAGE TO MOTOR AND/OR SEALS. 

2.) INSTALLATIONS SUCH AS DECORATIVE FOUNTAINS OR WATER FEATURES PROVIDED FOR VISUAL ENJOYMENT MUST BE INSTALLED IN ACCORDANCE 

 WITH THE NATIONAL ELECTRIC CODE ANSI/NFPA 70 AND/OR THE AUTHORITY HAVING JURISDICTION. THIS PUMP IS NOT INTENDED FOR USE IN 

 SWIMMING POOLS, RECREATIONAL WATER PARKS, OR INSTALLATIONS IN WHICH HUMAN CONTACT WITH PUMPED MEDIA IS A COMMON OCCURRENCE.

Model: SP50 Model: SP50VF

Model: SP50A