Sta-Rite STEP20 User Manual
HI GH -H EA D FI LT ER ED E FF LU EN T PU MP S
10
ST .E .P . PL uS
NOW AVAILABLE
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Higher HP
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Higher GPM
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Longer Cords
S5594SES
KEY FEATURES
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1/2, 1 or 1-1/2 HP, 115 or 230 Volt, single-phase, 2-wire
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Superior performance
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Stainless steel and composite construction
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Exclusive industry dry-run capability
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Enclosed and self-lubricated Nylatron® shaft-bearing resists
wear from sand
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Heavy 3/8" (9.5mm) or 7/16” (11.1mm) positive drive 300 Series
stainless steel hexagonal shaft
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Serviceable fiberglass reinforced thermoplastic intake screen
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T
he 10, 20, 30 and 50 GPM are industry standard 3-3/4"
in diameter
SPECIFICATIONS
Applications:
Capacities:
Heads:
Motor:
Electrical:
Operations:
Minimum Diameter:
Staging:
Solids:
Power Cord:
Materials of
Construction:
Filtered Effluent
10 GPM – 50 GPM (37.9 LPM – 189.3 LPM)
27 FT – 255 FT (8.2 M – 77.7 M)
Water-filled, hermetically sealed, thermal overload
protected, NEMA standard
115 or 230 Volt, 1Ph, 60Hz
Manual model (controls required)
4" (102mm)
(6) - 10 GPM (37.9 LPM);
(5) - 20 GPM (75.7 LPM);
(3) - 1/2 HP, 30 GPM (113.6 LPM);
(5) - 1 HP, 30 GPM (113.6 LPM);
(6) - 1-1/2 HP, 30 GPM (113.6 LPM);
(3) - 1 HP, 50 GPM (189.3 LPM);
(4) - 1-12/ HP, 50 GPM (0 189.3 LPM)
1/8" (3.2mm)
300 Volt “SOOW” jacketed 10 FT leads (2-wire with
ground); optional 20, 30, 50 and 100 FT lengths available
300 grade stainless steel and engineered composites
S E R I E S
STEP10
STEP20
STEP30-05221
STEP30-05121
STEP30-10221
STEP30-15221
STEP50-10221
STEP50-15221
®
MODEL NUMBER
TOTAL HEAD IN FEET
CAPACITY LITRES PER MINUTE
25
0
300
75
50
STEP 10 – 1/2 HP
225
150
75
0 10
0
250
200
CAPACITY GALLONS PER MINUTE
CAPACITY LITRES PER MINUTE
25
75
50
STEP 20 – 1/2 HP
20 30 40
STEP 30 – 1-1/2 HP
STEP 30 – 1 HP
150
STEP 30 – 1/2 HP
100
TOTAL HEAD IN FEET
50
0 10
0
125
CAPACITY GALLONS PER MINUTE
50
20 30 5040
CAPACITY LITRES PER MINUTE
150
100
STEP 50 – 1-1/2 HP
100
STEP 50 – 1 HP
75
50
TOTAL HEAD IN FEET
25
0 20 40 8060
CAPACITY GALLONS PER MINUTE
100
125
80
60
40
TOTAL HEAD IN METERS
20
0
125
175100 150
75
50
25
TOTAL HEAD IN METERS
0
300200 250
36
30
24
18
12
TOTAL HEAD IN METERS
6
0
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