Watts SF1-978 User Manual
Wound PP Filter Cartridges
FDA grade polypropylene for potable water & industrial use
Features & benefits
• Polypropylene fibers for purity and chemical compatibility
• Meets FDA requirements for food & beverage contact
• Standard cartridges rated for temperatures to140°F
• High temp cartridges with stainless steel center tubes
• Packaged in poly bags for cleanliness
• Available in wide range of lengths and micron ratings
Product Number Length OD Micron No. / case
SF1-978 9-7/8” 2-1/2” 1 30
SF5-978 9-7/8” 2-1/2” 5 30
SF20-978 9-7/8” 2-1/2” 20 30
SF50-978 9-7/8” 2-1/2” 50 30
SF1-20 20” 2-1/2” 1 15
SF5-20 20” 2-1/2” 5 15
SF20-20 20” 2-1/2” 20 15
SF50-20 20” 2-1/2” 50 15
SF1-30 30” 2-1/2” 1 15
SF5-30 30” 2-1/2” 5 15
SF20-30 30” 2-1/2” 20 15
SF50-30 30” 2-1/2” 50 15
SF1-40 40” 2-1/2” 1 10
SF5-40 40” 2-1/2” 5 10
SF20-40 40” 2-1/2” 20 10
SF50-40 40” 2-1/2” 50 10
Part numbers
Full-Flow (BB) 4-1/2” OD cartridges
Product Number Length OD Micron No. / case
SF1-10-425 9-3/4” 4-1/2” 1 8
SF5-10-425 9-3/4” 4-1/2” 5 8
SF20-10-425 9-3/4” 4-1/2” 20 8
SF50-10-425 9-3/4” 4-1/2” 50 8
SF1-20-425 20” 4-1/2” 1 4
SF5-20-425 20” 4-1/2” 5 4
SF20-20-425 20” 4-1/2” 20 4
SF50-20-425 20” 4-1/2” 50 4
Wound cartridges with 304 stainless steel center tubes for temperatures to 200°F (93°C)
Product Number Length OD Micron No. / case
MS10FS5 9-7/8” 2-1/2” 5 30
MS10FS20 9-7/8” 2-1/2” 20 30
MS10FS50 9-7/8” 2-1/2” 50 30
MS20FS5 20” 2-1/2” 5 15
MS20FS20 20” 2-1/2” 20 15
MS20FS50 20” 2-1/2” 50 15
MS30FS5 30” 2-1/2” 5 15
MS30FS20 30” 2-1/2” 20 15
MS30FS50 30” 2-1/2” 50 15
MS40FS5 40” 2-1/2” 5 10
MS40FS20 40” 2-1/2” 20 10
MS40FS50 40” 2-1/2” 50 10
Initial Pressure Drop
In Water Filtration Using 10" Wound Cartridge
7
6
5
4
1 Micron
3
2
Pressure Drop (PSI)
1
12345678910
5 Micron
10 Micron
20 Micron
50 Micron
Flow (GPM)
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