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Seal-less Vertical Pumps
WEBSTER / MARATHON
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CPVC, POLYPROPYLENE, & PVDF
MARATHON S2-S8 SERIES
    

GENERAL DESCRIPTION
The “S2/S4/S5/SS6/SS7/S8” Marathon Series are rugged, chemical duty pumps available in CPVC, fiberglass reinforced Polypropylene, and PVDF (Solef). Precision molded, dynamically balanced, “enclosed” impellers allow pumping of abrasive solutions, ability to run dry, and operating against closed discharge valve. Available in ratings of 1/3, 1/2, 3/4, and 1-1/2 horsepower for continuous duty operation.
SPECIFICATIONS:
Catalog
No.		 Material HP Frame
Size		 Motor
Enclosure		 Volts Phase Suction
Note 1		 Discharge
Note 2		 Temp.
Limits
S2P8-1366V CPVC 1/3 56C TENV 115/230 1 1” NPT 3/4” NPT -20o
S4P8-1366V CPVC 1/2 56C TEFC 115/230 1 1-1/4” NPT 1” NPT to
S5P8-1366V CPVC 3/4 56C TEFC 115/230 1 1-1/4” NPT 1” NPT 180o F
S5P8-1396V CPVC 1 56C TEFC 208-230/460 3 1-1/4” NPT 1” NPT  
SS6P8-1366V CPVC 3/4 56C TEFC 115/230 1 1-1/2” NPT 1-1/4” NPT  
SS6P8-1396V CPVC 3/4 56C TEFC 208-230/460 3 1-1/2” NPT 1-1/4” NPT -20o
SS7P8-1366V CPVC 1 56C TEFC 115/230 1 1-1/2” NPT 1-1/4” NPT to
SS7P8-1396V CPVC 1 56C TEFC 208-230/460 3 1-1/2” NPT 1-1/4” NPT 180o F
S8P8-1366V CPVC 1-1/2 56C TEFC 115/230 1 1-1/2” NPT 1-1/4” NPT  
S8P8-1396V CPVC 1-1/2 56C TEFC 208-230/460 3 1-1/2” NPT 1-1/4” NPT  
S2P2-1364V PVDF 1/3 56C TENV 115/230 1 1” NPT 3/4” NPT -20o
S4P2-1364V PVDF 1/2 56C TEFC 115/230 1 1-1/4” NPT 1” NPT to
S5P2-1364V PVDF 3/4 56C TEFC 115/230 1 1-1/4” NPT 1” NPT 260o F
S5P2-1394V PVDF 1 56C TEFC 208-230/460 3 1-1/4” NPT 1” NPT  
SS6P2-1364V PVDF 3/4 56C TEFC 115/230 1 1-1/2” NPT 1-1/4” NPT  
SS6P2-1394V PVDF 3/4 56C TEFC 208-230/460 3 1-1/2” NPT 1-1/4” NPT -20o
SS7P2-1364V PVDF 1 56C TEFC 115/230 1 1-1/2” NPT 1-1/4” NPT to
SS7P2-1394V PVDF 1 56C TEFC 208-230/460 3 1-1/2” NPT 1-1/4” NPT 260o F
S8P2-1364V PVDF 1-1/2 56C TEFC 115/230 1 1-1/2” NPT 1-1/4” NPT  
S8P2-1394V PVDF 1-1/2 56C TEFC 115/230 3 1-1/2” NPT 1-1/4” NPT  
S2P3-1364V Polypro 1/3 56C TENV 115/230 1 1” NPT 3/4” NPT -20o
S4P3-1364V Polypro 1/2 56C TEFC 208-230/460 1 1-1/4” NPT 1” NPT to
S5P3-1364V Polypro 3/4 56C TEFC 115/230 1 1-1/4” NPT 1” NPT 200o F
S5P3-1394V Polypro 1 56C TEFC 208-230/460 3 1-1/4” NPT 1” NPT  
SS6P3-1364V Polypro 3/4 56C TEFC 115/230 1 1-1/2” NPT 1-1/4” NPT  
SS6P3-1394V Polypro 3/4 56C TEFC 208-230/460 3 1-1/2” NPT 1-1/4” NPT -20o
SS7P3-1364V Polypro 1 56C TEFC 115/230 1 1-1/2” NPT 1-1/4” NPT to
SS7P3-1394V Polypro 1 56C TEFC 208-230/460 3 1-1/2” NPT 1-1/4” NPT 200o F
S8P3-1364V Polypro 1-1/2 56C TEFC 115/230 1 1-1/2” NPT 1-1/4” NPT  
S8P3-1394V Polypro 1-1/2 56C TEFC 208-230/460 3 1-1/2” NPT 1-1/4” NPT