Marlow Series 3B (3B28EC – 3B32EC)
The 4" x 3" self-priming, centrifugal pumps for commercial pools. The design includes a large 331 cubic-inch integral strainer with a stainless- steel basket. Available in 5 and 7-1/2 hp sizes, these high-efficiency designs provide maximum performance. Capable of providing an eight hour turnover rate for pools up to 192,000 gallon capacity when used with pressure-type sand, cartridge or diatomaceous earth filters.
Maximum capacity: 400 GPM
Maximum head: 107 Feet
Features and Benefits
- Cast Iron Construction
- High Efficiency Impeller
- Multi-vane Replaceable Diffuser
- Rugged Casing with 4” Suction and 3” Discharge Female NPT Pipe Connections
- Integral Suction Strainer with Stainless Steel Basket
- Ease of Maintenance
- Self-lubricating Mechanical Seal
- Back Pull-out Design
- Nationally Known Brand JM Shaft Motor
- NSF Certified
Specifications:
- Voltage Rating: 200-230/460 V
- 25.3-22/11 A
- Frequency Rating: 60 Hz
- GPM of Water @ 40 Ft. of Head: 387
- GPM of Water @ 50 Ft. of Head: 363