2025 Nelsen Corporation Catalog - Catalog - Page 96
3 Fleck 3150 Filter Systems
Filtration Equipment - Commercial
Fleck 3150AF Backwash Only Filters (Less Media)
Features include Fleck 3150 filter valve, environmental backplate and cover, mineral tank, commercial
distributor and gravel bed.
Choose media separately from Section 4.
315AF-24
24" x 72" Backwash Only Filter
315AF-30
30" x 72" Backwash Only Filter
315AF-36
36" x 72" Backwash Only Filter
315AF-42
42" x 72" Backwash Only Filter
CONTROL VALVE FEATURES
• Fully adjustable 5-cycle control is efficient and reliable; delivers controlled up-flow backwash,
down-flow brining and down-flow service
• Versatile top or side mounting suitable for commercial or industrial applications
• Backwash capacity accommodates tanks up to 60" diameter
• Solid lead-free brass construction for superior strength and durability
• Protective NEMA 3R equivalent enclosure is water resistant, rain tight, corrosion resistant and
UV stable
• Flexible 7 or 12 day time clock or meter initiated regeneration
CONTROL VALVE
TESTED and CERTIFIED by the
WQA to NSF/ANSI Standard 61
Section 8 Material Safety Only.
TESTED and CERTIFIED by the
WQA to NSF/ANSI Standard 372
for Lead Free Compliance.
FLECK 3150 CONTROL
Mineral Tank Size
24 X 72
30 X 72
36 X 72
42 X 72
Maximum Flow Rate, System - 95 gpm
Maximum Backwash Rate, System - 105 gpm
FLOW RATES* - Gallons Per Minute
SVC
BKW
SVC
BKW
SVC
BKW
SVC
BKW
Greensand Plus
18.0
35.0
30.0
55.0
42.0
85.0
75.0
125.0
Birm
11.0
35.0
17.0
55.0
25.0
75.0
44.0
125.0
Activated Carbon
11.0
30.0
17.0
50.0
25.0
70.0
44.0
120.0
Calcite/Corosex
10.0
35.0
15.0
55.0
21.0
75.0
37.0
120.0
Multi-Media
9.5
50.0
15.0
75.0
21.0
115.0
37.0
190.0
Filter Ag - Plus
22.0
50.0
35.0
75.0
50.0
110.0
88.0
190.0
Filter Sand
9.5
50.0
15.0
75.0
21.0
115.0
37.0
190.0
Katalox
19.0
35.0
30.0
60.0
42.0
85.0
75.0
150.0
SYSTEM SPECIFICATIONS
Mineral Tank Size
24 x 72
30 x 72
36 x 72
36 x 72
Pipe Size
2"
2"
2"
2"
Drain Pipe Size
2"
2"
2"
2"
Distributor Pilot
2"
2"
2"
2"
Tank Thread
4" - 8
6" Flange
6" Flange
6" Flange
Overall Height, Inches
85
88
90
103
*NOTE - due to varying water conditions, water pressures, and assembly materials, service flow rate should be used as a guideline only.
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All prices and products subject to change without notice. ©Nelsen Corporation
