2025 Nelsen Corporation Catalog - Catalog - Page 92
3 Clack WS1.5EE Filter Systems
Filtration Equipment - Commercial
Clack WS1.5EE Backwash Only Filters (Less Media)
Systems include the Clack WS1.5EE 1-1/2" control valve, mineral tank, commercial distributor, and
gravel bed.
Choose filter media separately from Section 4.
WS15EE-AF14
14" x 65" Backwash Only Filter
WS15EE-AF16
16" x 65" Backwash Only Filter
WS15EE-AF18
18" x 65" Backwash Only Filter
WS15EE-AF21
21" x 62" Backwash Only Filter
WS15EE-AF24
24" x 72" Backwash Only Filter
WS15EE-AF30
30" x 72" Backwash Only Filter
NWS 1.5 CONTROL
CONTROL VALVE FEATURES
• 1-1/2" Top mount control valve suited for commercial/industrial applications
• Epoxy coated lead free brass valve body
• Economical stainless steel optional meter assembly
• Service flow rate of 70 gpm, backwash 52 gpm
• Solid state microprocessor with easy access front panel settings
• Front panel display for time of day, days until next regeneration, volume remaining,
current flow rate and total volume used (Totalizer)
• Coin Cell Lithium battery back-up with an 8 hour
carry over
• Level VI 15-volt output DC power supply provides
safe and easy installation
• Reliable and proven DC drive
• Patented one piece expanding seal spacer stack
assembly U.S. Patent 6,402,944
• Patented linearly reciprocating piston operation
U.S. Patent 6,444,127
Control Valve Certified to
NSF/ANSI 61 and 372.
CLACK WS1.5EE 1-1/2" CONTROL
Mineral Tank Size
14 x 65
16 x 65
18 x 65
21 X 62
24 X 72
Maximum Flow Rate, System - 70 gpm
Maximum Backwash Rate, System - 52 gpm
FLOW RATES* - Gallons Per Minute
SVC
BKW
SVC
BKW
SVC
BKW
SVC
BKW
SVC
BKW
Greensand Plus
6.5
13.0
8.5
15.0
10.5
20.0
14.5
25.0
18.0
35.0
Birm
4.0
10.0
4.5
13.0
7.0
15.0
9.5
25.0
11.0
35.0
Activated Carbon
4.0
10.0
4.5
13.0
7.0
15.0
9.5
25.0
11.0
30.0
Calcite/Corosex
5.0
10.0
7.0
15.0
8.5
20.0
12.0
25.0
10.0
35.0
Multi-Media
3.5
15.0
4.0
20.0
5.0
25.0
7.0
35.0
9.5
50.0
Filter Ag Plus
10.0
15.0
14.0
20.0
17.0
25.0
24.0
35.0
22.0
50.0
Filter Sand
3.5
15.0
4.0
20.0
5.0
25.0
7.0
35.0
9.5
50.0
Katalox
8.5
15.0
11.0
15.0
14.0
25.0
19.0
30.0
19.0
35.0
SYSTEM SPECIFICATIONS
Mineral Tank Size
14 x 65
16 x 65
18 x 65
21 x 62
24 x 72
Pipe Size
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
Drain Pipe Size
3/4"
3/4"
3/4"
3/4"
3/4"
Distributor Piliot
1-1/2"
1-1/2"
1-1/2"
1-1/2"
1-1/2"
Tank Thread
4" - 8
4" - 8
4" - 8
4" - 8
4" - 8
Overall Height, Inches
74
74
75
75
82
*NOTE - due to varying water conditions, water pressures, and assembly materials, service flow rate should be used as a guideline only.
3 - 22
For more information visit – NelsenCorp.com • NelsenWaterSolutions.com • VESTAwater.com
All prices and products subject to change without notice. ©Nelsen Corporation
30 X 72
SVC
30.0
17.0
17.0
15.0
15.0
X
15.0
30.0
BKW
55.0
55.0
50.0
55.0
75.0
X
75.0
60.0
30 x 72
1-1/2"
3/4"
1-1/2"
6" Flange
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