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PUMPS & ENGINES
116.
HighVolume Centrifugal Pumps
• Patented Vac-U-Seal impeller design creates a vacuum between
the impeller and mechanical seal to minimize seal wear.
• Double wet seal design allows the pump to run dry for extended
periods of time without damage to the mechanical seal faces.
• Closed impeller design minimizes thrust load on the drive motor.
• Designed for coupling to gas or electric motors (not included)
• Factory 2 Year Unconditional Warranty on John Blue centrifugal
pumps.
Item Description
Size
Capacity
PSI
RPM
S3220
Straight Pump only; gas engine drive
2”
197 US Gpm Max.
39
3500
SP3220
Self-priming Pump only; gas engine drive
2”
152 US Gpm Max.
42
3500
S3220-E
Straight Pump only; electric drive
2”
197 US Gpm Max.
39
3500
SP3220-E
Self-priming Pump only; electric drive
2”
152 US Gpm Max.
35
3500
S3320
Straight Pump only; gas engine drive
3”
365 US Gpm Max.
60
3500
SP3320
Self-priming Pump only; gas engine drive
3”
308 US Gpm Max.
65
3500
S3320-E
Straight Pump only; electric drive
3”
365 US Gpm Max.
60
3500
SP3320-E
Self-priming Pump only; electric drive
3”
308 US Gpm Max.
42
3500
4 Diaphragm Pump
• 4-Diaphragm pump.
• Die cast crankcase with incorporated cooling system.
• Designed specifically for fertilizer applications.
• All wet end components are polypropylene and stainless steel.
• Low maintenance costs.
• Self-lubricating cast iron piston sleeves.
• Pre-deformed diaphragms reduce tension and extend life.
Item Max Pressure Max Speed Max Power Inlet Outlet MaxTemp Oil Type
DP-448-P
218 psi
550 rpm 6.5 hp
2”
1”
104 F
SAE 30