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Stenner - S420 Series Pump
Model #: 999-541-006
*Prices are subject to change without notice
The S420 Series variable speed peristaltic metering pumps dose liquid solutions in direct proportion to a 4-20mA analog input signal. The operator can scale the pump’s response to the signal from 25% to 100% by the potentiometer on the control pad. When operated in the manual mode the maximum flow rate output is adjustable from 5% to 100%.
Standard delivery is 1-2 weeks but typically will ship sooner.
Product Description
The S420 Series variable speed peristaltic metering pumps dose liquid solutions in direct proportion to a 4-20mA analog input signal. The operator can scale the pump’s response to the signal from 25% to 100% by the potentiometer on the control pad. When operated in the manual mode the maximum flow rate output is adjustable from 5% to 100%.
The pump’s ability to accept an incoming 4-20mA analog signal to pace the pump makes the S420 well suited for use with water treatment controls including pH and ORP monitors to maintain proper water chemistry and treatment of effluent discharge water. Common installations include industrial and municipal wastewater treatment facilities or municipalities that supply potable water to residential and commercial sites requiring well or surface water treatment. For the treatment of process water, the S420 can inject solutions such as disinfectants, oxidizing agents, acids, and alkalines. Please check available chemical resistant charts for compatibility.
Highlights:
- Leak detection
- Backup pump capability
- Remote start or stop
- LED Indicators
- Three dedicated output relays
- 2 year warranty
Product Features
- Flow Rate Output Control: 4-20mA analog input signal or manual
- Reproducibility: +/- 2%
- Maximum Working Pressure: 25 psi (1.7 bar), 100 psi (6.9 bar)
- Maximum Operating Temperature: 104°F (40°C)
- Maximum Suction Lift: 25 ft (7.6 m) vertical lift, based on water
- Motor Type: Brushless DC motor
- Shaft RPM (average maximum) : 45
- Duty Cycle: Continuous
- Maximum Viscosity: 1500 centipoise
- Motor Voltage (Amp Draw): 120V 60Hz 1PH (0.6), 230V 50Hz I PH (0.3), 230V 50Hz 1PH (0.3)
- Power Cord Type: 120V 60Hz, 230V 60Hz: SJTOWA, 230V 60 Hz SJTOWA, 230V 50Hz: H05RN-F
- Power Cord Plug End: 120V 60Hz 5-15P, 230V 60Hz 6-15P, 230V 50Hz CEE7/7
- Cord Length: 6 ft (1.8 m)
- Classification: Indoor/Outdoor
Materials of Construction - All Housings: Polycarbonate
- Pump Tube: Santoprene®*(FDA approved), or Versilon®**
- Check Valve Duckbill (S34 models): Santoprene®* (FDA approved), or Pellethane®†
- Ball Check Valve Components (S44 models): Ceramic ball (FDA approved); Tantalum spring; FKM seat & O-ring OR Ceramic ball (FDA approved); Stainless steel spring; EPDM seat; Santoprene®* O-ring
- Pump Head Rollers: Polyethylene
- Roller Bushings: Oil impregnated bronze
- Suction/Discharge Tubing and Ferrules: Polyethylene (FDA approved)
- Tube & Injection Fittings: PVC or Polypropylene (both NSF listed)
- Connecting Nuts: PVC or Polypropylene (both NSF listed)
- 3/8″ Adapter (S34 models): PVC or Polypropylene (both NSF listed)
- Suction Line Strainer and Cap: PVC or Polypropylene (both NSF listed); ceramic weight
- All Fasteners: Stainless steel
- Pump Head Latches (S34 models): Polypropylene
- Pump Head Latches (S44 models): Stainless steel
- Leak Detect Components: Hastelloy®††
* Santoprene® is a trademark of Exxon Mobil Corporation.
** Versilon® is a registered trademark of Saint-Gobain Performance Plastics.
† Pellethane® is a registered trademark of Lubrizol Advanced Materials, Inc.
†† Hastelloy® is a registered trademark of Haynes International, Inc.
Product Applications
- Water
- Wastewater
- Cooling Towers
- Metal Plating
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