Industrial Valve Controls
swtwater.com Aquamatic Controllers & Stagers
For Softeners & Filters
 
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SOFTENER CONTROLS   FILTER CONTROLS   RELATED EQUIPMENT
Time Initiated   Time Initiated   Aquamatic Diaphragm Valves
Demand / Metered Initiated   Demand / Metered Initiated   Autotrol Flow Meters
Electronic   Electronic   Aquamatic Stagers
 
 
E Series Controller NXT Series Controller
E Series
Controller		 NXT Series
Controller
Max. Pressure: 125 psi (8.6 bar)
Max. Temperature: 140°F (60°C)
Each model includes an AquaMatic Controller and Stager.
Controllers: Choose from the E Series Electronic Demand/ Metered Initiated Controller (AquaMatic 962) and the NXT Electronic Stager Controller.
Stagers: Choose from Series 48 brass stager with 6 ports, Series 51 brass stager with 8 ports, and Series 58 PVC stager with 16 ports. The 48 stager can control typical softener or filter systems as well as sequential backwash filters. For more complex systems such as non-standard softeners, twin alternating softeners or filters, the 51 or 58 stagers are required.
 
 
Softeners—A100 Series Electromechanical Time Initiated Controller with Stager
DISCONTINUED: JUNE, 2012 — REPLACEMENT PARTS AVAILABLE
Model Number Description Stager Port Size NPT
Inlet Drain Control
A148-00 Softener, 4 Cycle, Single Tank 1/8" 1/8" 1/8"
A151-07 Softener, 5 Cycle, Single Tank with Timed Brine 1/8" 1/8" 1/8"
A151-09 Softener, 5 Cycle, Single Tank with Timed Refill 1/8" 1/8" 1/8"
A151-06 Softener, 6 Cycle, Single Tank with Timed Brine and Refill 1/8" 1/8" 1/8"
A158-TA Softener, Twin Alternating with Service Lights 1/4" 1/4" 1/8"
A100 Series Part Number Matrix and Stager Program Guide PDF
Please specify voltage requirement: 115VAC/60Hz or 230VAC/50-60Hz.
Other voltages may be available, contact your SWT representative for details.
Please specify 6-Day or 7-Day clock timer.
 
Softeners—E Series Electronic Demand/Metered Initiated Controller with Stager
(Flow Meter Not Included - See Below)
Model Number Description Stager Port Size NPT
Inlet Drain Control
E948-00 Softener, 4 Cycle, Single Tank 1/8" 1/8" 1/8"
E948-12 Softener, 4 Cycle, Single Tank with Upflow Brine 1/8" 1/8" 1/8"
E948-03 Softener, 4 Cycle, Single Tank with Butterfly Cam 1/8" 1/8" 1/8"
E951-07 Softener, 5 Cycle, Single Tank with Timed Brine 1/8" 1/8" 1/8"
E951-09 Softener, 5 Cycle, Single Tank with Timed Refill 1/8" 1/8" 1/8"
E951-06 Softener, 6 Cycle, Single Tank with Timed Brine and Refill 1/8" 1/8" 1/8"
E951-12 Softener, 6 Cycle, Single Tank with Brine Recycle 1/8" 1/8" 1/8"
E948-TA Softener, Twin Alternating with Butterfly Cam 1/8" 1/8" 1/8"
E958-TA Softener, Twin Alternating with Service Lights 1/4" 1/4" 1/8"
E958-TB Softener, Twin Alternating with Timed Brine 1/4" 1/4" 1/8"
E Series Part Number Matrix and Stager Program Guide PDF
Please specify voltage requirement: 115VAC/50-60Hz or 230VAC/50-60Hz.
Optional Relay Output available on single units only (P/N: QA-1077737).
PWA Circuit Board and Key Pad Assembly available (P/N: QA-1078458).
 
Softeners—NXT Series Electronic Controller with Stager
(Flow Meter Not Included - See Below)
Model Number Description Stager Port Size NPT
Inlet Drain Control
NX48-00 Softener, 4 Cycle, Single Tank 1/8" 1/8" 1/8"
NX51-06 Softener, 6 Cycle, Single Tank with Timed Brine and Refill 1/8" 1/8" 1/8"
NXT Series Part Number Matrix and Stager Program Guide PDF
Please specify voltage requirement: 115VAC or 220VAC.
Replacement PWA Circuit Board and Key Pad Kit available (P/N: QA-61784-01).
Solenoid Kit available (P/N: QA-61783).
CAT 5 Cable with Liquidtight Fittings available (P/N: QA-61764).
Many custom programs are available. Please contact Technical Support for additional information.
 
Filters—A100 Series Electromechanical Time Initiated Controller with Stager
DISCONTINUED: JUNE, 2012 — REPLACEMENT PARTS AVAILABLE
Model Number Description Stager Port Size NPT
Inlet Drain Control
A148-01 Filter, 3 Cycle, Single Tank 1/8" 1/8" 1/8"
A151-11 Filter, 5 Cycle, Single Tank with Air Scour 1/8" 1/8" 1/8"
A151-10 Filter, 3 Cycle, 2 Tank Parallel with Sequential Backwash 1/8" 1/8" 1/8"
A148-83 Filter, 2 Cycle, 3 Tank Parallel with Sequential Backwash 1/8" 1/8" 1/8"
A158-03 Filter, 3 Cycle, 3 Tank Parallel with Sequential Backwash 1/4" 1/4" 1/8"
A148-84 Filter, 2 Cycle, 4 Tank Parallel with Sequential Backwash 1/8" 1/8" 1/8"
A158-04 Filter, 3 Cycle, 4 Tank Parallel with Sequential Backwash 1/4" 1/4" 1/8"
A148-85 Filter, 2 Cycle, 5 Tank Parallel with Sequential Backwash 1/8" 1/8" 1/8"
A151-86 Filter, 2 Cycle, 6 Tank Parallel with Sequential Backwash 1/8" 1/8" 1/8"
A151-87 Filter, 2 Cycle, 7 Tank Parallel with Sequential Backwash 1/8" 1/8" 1/8"
A100 Series Part Number Matrix and Stager Program Guide PDF
Please specify voltage requirement: 115VAC/60Hz or 230VAC/50-60Hz.
Other voltages may be available, contact your SWT representative for details.
Please specify 6-day or 7-day clock timer.
 
Filters—E Series Electronic Demand/Metered Initiated Controller with Stager
(Flow Meter Not Included - See Below)
Model Number Description Stager Port Size NPT
Inlet Drain Control
E948-04 Filter, 2 Cycle, Single Tank 1/8" 1/8" 1/8"
E948-01 Filter, 3 Cycle, Single Tank 1/8" 1/8" 1/8"
E948-12 Filter, 4 Cycle, Single Tank with Air Scour 1/8" 1/8" 1/8"
E951-11 Filter, 5 Cycle, Single Tank with Air Scour 1/8" 1/8" 1/8"
E958-01 Filter, 5 Cycle, Single Tank with Double Acting Valves 1/4" 1/4" 1/8"
E951-10 Filter, 3 Cycle, 2 Tank Parallel with Sequential Backwash 1/8" 1/8" 1/8"
E948-83 Filter, 2 Cycle, 3 Tank Parallel with Sequential Backwash 1/8" 1/8" 1/8"
E958-03 Filter, 3 Cycle, 3 Tank Parallel with Sequential Backwash 1/4" 1/4" 1/8"
E948-84 Filter, 2 Cycle, 4 Tank Parallel with Sequential Backwash 1/8" 1/8" 1/8"
E958-04 Filter, 3 Cycle, 4 Tank Parallel with Sequential Backwash 1/4" 1/4" 1/8"
E948-85 Filter, 2 Cycle, 5 Tank Parallel with Sequential Backwash 1/8" 1/8" 1/8"
E951-86 Filter, 2 Cycle, 6 Tank Parallel with Sequential Backwash 1/8" 1/8" 1/8"
E951-87 Filter, 2 Cycle, 7 Tank Parallel with Sequential Backwash 1/8" 1/8" 1/8"
E Series Part Number Matrix and Stager Program Guide PDF
Please specify voltage requirement: 115VAC/50-60Hz or 230VAC/50-60Hz.
Optional Relay Output available on single units only (P/N: QA-1077737).
PWA Circuit Board and Key Pad Assembly available (P/N: QA-1078458).
 
Filters—NXT Series Electronic Controller with Stager
(Flow Meter Not Included - See Below)
Model Number Description Stager Port Size NPT
Inlet Drain Control
NX51-10 Filter, 3 Cycle, 2 Tank Parallel with Sequential Backwash 1/8" 1/8" 1/8"
NXT Series Part Number Matrix and Stager Program Guide PDF
Please specify voltage requirement: 115VAC or 220VAC.
Replacement PWA Circuit Board and Key Pad Kit available (P/N: QA-61784-01).
Solenoid Kit available (P/N: QA-61783).
CAT 5 Cable with Liquidtight Fittings available (P/N: QA-61764).
Many custom programs are available. Please contact Technical Support for additional information.
 
AQUAMATIC DIAPHRAGM VALVES
K52 Series Valve K53 Series Valve K55 Series Valve V42 Series Valve V46 Series Valve
K52 Series Valve
(Composite)		 K53 Series Valve
(Composite)		 K55 Series Valve
(Composite)		 V42 Series Valve
(Cast Iron)		 V46 Series Valve
(Stainless Steel)
 
K52 Series Composite Valves
Model Pipe Size Flow Coefficient
Inches Millimeters Cv Kv
K520 0.5 15 4.0 3.5
K521 1.0 25 15.0 13.0
K524 1.5 to 2.0 40 to 50 38.0 32.8
K526 2.5 to 3.0 65 to 80 100.0 86.5
View K52 Product Details
K52 Part Number Matrix PDF
Composite Valve Adapter Kits PDF
Cv flow rate in gallons per minute of water at 60ºF, 1 psi pressure drop.
Kv flow rate in cubic meters per hour of water at 15.5ºC, 1 bar pressure drop.
Maximum working pressure is 125 psi (8.6 bar).
Maximum temperature is 140°F (60°C).
 
K53 Series Composite Valves
Model Pipe Size Flow Coefficient
Inches Millimeters Cv Kv
K531 0.75 to 1.0 20 to 25 18.0 15.6
K534 1.5 40 46.0 39.8
K535 2.0 50 84.0 72.6
K537 3.0 80 200.0 173.0
View K53 Product Details
K53 Part Number Matrix PDF
Composite Valve Adapter Kits PDF
Cv flow rate in gallons per minute of water at 60ºF, 1 psi pressure drop.
Kv flow rate in cubic meters per hour of water at 15.5ºC, 1 bar pressure drop.
Maximum working pressure is 125 psi (8.6 bar).
Maximum temperature is 140°F (60°C).
 
K55 Series Composite Valves
Model Pipe Size Flow Coefficient
Inches Millimeters Cv Kv
K5520 0.5 15 4.0 3.5
K5521 1.0 25 15.0 13.0
K5524 1.5 to 2.0 40 to 50 38.0 to 41.0 32.8 to 35.5
View K55 Product Details
K55 Part Number Matrix PDF
Composite Valve Adapter Kits PDF
Cv flow rate in gallons per minute of water at 60ºF, 1 psi pressure drop.
Kv flow rate in cubic meters per hour of water at 15.5ºC, 1 bar pressure drop.
Maximum working pressure is 125 psi (8.6 bar).
Maximum temperature is 140°F (60°C).
 
V42 Series Cast Iron Valves
Model Pipe Size Flow Coefficient
Inches Millimeters Cv Kv
V42B 0.75 20 11.4 9.8
V42C 1.0 25 12.8 11.1
V42D 1.25 32 26.5 22.9
V42E 1.5 40 32.5 28.1
V42F 2.0 50 56.0 48.4
V42G 2.0 50 68.0 58.8
V42H 2.5 65 84.0 72.7
V42J 3.0 80 134.0 116.0
V42K 4.0 100 275.0 238.0
V42L 6.0 150 680.0 588.0
View V42 Product Details
V42 Part Number Matrix PDF
Cv flow rate in gallons per minute of water at 60ºF, 1 psi pressure drop.
Kv flow rate in cubic meters per hour of water at 15.5ºC, 1 bar pressure drop.
Maximum working pressure is 125 psi (8.6 bar).
Maximum temperature is 140°F (60°C).
 
V46 Series Stainless Steel Valves
Model Pipe Size Flow Coefficient
Inches Millimeters Cv Kv
V46C 1.0 25 14.0 12.1
V46E 1.5 40 33.0 28.5
V46F 2.0 50 54.0 47.0
View V46 Product Details
V46 Part Number Matrix PDF
Cv flow rate in gallons per minute of water at 60ºF, 1 psi pressure drop.
Kv flow rate in cubic meters per hour of water at 15.5ºC, 1 bar pressure drop.
Maximum working pressure on the threaded valves is 250 psi (17 bar) and on flanged valves 150 psi (10.3 bar).
Maximum temperature is 250°F (120°C).
 
Autotrol Flow Meters
Autotrol Flow Meter
Model Number Description Flow Rate
Minimum Maximum Peak
UA-3023532 1 inch Turbine Meter with Stainless Steel NPT Adapters 0.25 gpm 35 gpm 40 gpm
UA-3023536 2 inch Turbine Meter with Stainless Steel NPT Adapters 2 gpm 170 gpm 250 gpm
 
 
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Safe Water Technologies, Inc.
996 Bluff City Boulevard
Elgin, IL 60120 USA
 
tele: +1.847.888.6900
 fax: +1.847.888.6924
email: info@swtwater.com
https://www.swtwater.com

Last Updated: August 4, 2025