Blue-White - Chemical metering and fluid measurement solutions; chemical metering pumps, peristaltic pumps, diaphragm pumps, multi-diaphragm pumps, flow meters, flowmeters, variable area flow meters, paddlewheel flow meters, ultrasonic flow meters, engineered skid systems, single skid system, duplex skid system, triplex skid system, water analyzers...


CHEM-FEED® Plastic Triplex Skid System

The CHEM-FEED® CFPS-3-M Triplex Skid System (For municipal applications) allows for a two-pump injection system with one pump acting as a backup, eliminating downtime in critical applications. The skid system ships fully assembled, simplifying installations and start-ups. CHEM-FEED® CFPS skids are constructed out of strong, lightweight chemical and UV-resistant polyethylene and feature leak-free threadless connections. Pipe material options include PVC, CPVC, PVDF, and Chem Proline® (PE).

An optional SONIC-PRO® Chemical Flow Meter provides accurate measurement of chemical feed and features an isolated 4-20 mA output, process control via configurable solid state relay, and user-configurable flow rate and total set-point triggers.

Technical Overview:

System Type
Triplex pump system
Product Compatibility
M1, M2, M3, M4, MD1, MD3, MC2, MC3
Frame Material
Mounting Position
3D Visualizer


CHEM-FEED® Engineered Skid Systems were designed and engineered using solid modeling tools for superior piping installation and easy component maintenance. Custom engineered universal mounting blocks provide for easy component servicing and replacement.

  • Straightforward chemical feed skid: easy to order, ready to install, 2-week lead-time
  • Visual flow indicator for visual confirmation that chemical is flowing
  • All installed components are isolated with ball valves for easy maintenance
Superior Design:
  • Constructed out of strong Chemical/UV resistant polyethylene
  • Heavy duty wall and floor mounting brackets included
  • Optional chemical feed flow meter to precisely measure chemical output from the metering pump
  • Optional local wiring connections, easy-to-access power and inputs/outputs
Safety Features:
  • Threaded plug for cleaning and spill diversion in drip containment reservoir
  • Ball valves are vented for operator safety
  • Leak-free threadless connections to ensure leak-free chemical feed
What’s Included:
  • Piping/Unions – Specify from PVC, CPVC, PVDF, or Chem Proline® (PE)
  • Pressure Relief Valve – Protects the system from over-pressurization, 10-150 psi setting range, 150 psi maximum system pressure
  • Check Valve – Protects the user from back-flow during pump maintenance
  • Flow Indicator – Provides a visual indication of chemical movement through the system
  • Inlet Y Strainer – Recommended for Diaphragm Pump systems
Optional components (see product matrix)
  • Calibration Cylinder – Confirm pump output under system conditions. Specify cylinder volumes from 1.6 GPH to 64 GPH.
  • Pulsation Dampener – Protect the system components from pulsation. Recommended for diaphragm pump systems only.
  • Pressure Gauge with Guard – Isolate and protect the system pressure gauge. Specify pressure ranges from 0-30 psi, 0-100psi, or 0-200 psi
  • MS6 Chemical Flow meter – Provides 4-20mA and pulse output data to SCADA and to the pump to verify chemical feed
  • Terminal Box: Pumps pre-wired for easy access to all electrical signal wires
  • Electrical Outlet Box: Designed for use in wet, damp, or dry locations
  • Back Pressure Valve – Protects the user from back-flow during pump maintenance
  • Pressure Switch with Guard – Activate or de-activate equipment when pressure in a piping system either rises or falls to a set pressure


  • Chemically resistant polyethylene structure
Pump (sold separately)
  • FLEXFLO® M1, M2, M3 or M4 peristaltic pumps
  • CHEM-FEED® MD1, MC2, MC3 or MD3 diaphragm pumps
  • 1” Inlet & 1/2” outlet PVC schedule 80 (optional CPVC, PVDF, Chem Proline®)
  • FKM seals (optional EPDM)
Tubing (T)
  • Reinforced braided PVC, 200 psi max, certified NSF 51 / NSF 61.
  • The pump inlet and outlet flexible tubing connections are terminated tohalf unions and secured to the barbed fitting with stainless steel clamps. (Optional: 1/2” PTFE, 1/4” PE, 1/4” PTFE)
Tubing Clamps
  • 300 series SS band, 400 series SS screw
Unions (U)
  • PVC body, schedule 80 (optional CPVC, PVDF)
Ball Valves (V)
  • True unions, PVC body, PTFE shaft bearings and seats (optional CPVC, PVDF)
Pressure Relief Valve (PRV)
  • PVC body, PTFE primary diaphragm seal. Non-wetted components:
  • EPDM secondary seal, zinc plated steel spring, stainless steel external hardware, HDPE pressure adjustment screw. Infinite adjustment from 10-150 psi. (optional CPVC, PVDF)
Calibration Cylinder (CC)
  • PVC body, PVC end caps, 1/2” PVC pipe outlet vent
  • Available volumes: 3 GPH (100ml), 8 GPH (250ml), 16 GPH (500ml), 32 GPH (1000ml), 64 GPH (2000ml), and 132 GPH (4000mL).
Pulsation Dampener (PD)
  • CPVC body,10 cubic inch volume (optional PVDF)
Gauge W/Guard (G)
  • Gauge: liquid filled stainless steel with blowout plug, bottom mount, 1/4”
  • NPT theads. Available pressure ranges: 0-30 psi, 0-100, psi, 0-200 psi. Guard: PVC body, temperature compensated oil filled. (optional CPVC, PVDF)
Check Valve (CV)
    PVC body. Cracking pressure: 1.0-1.5 psi

  • Maximum working pressure: inlet = 150 psi, back = 100 psi (optional CPVC, PVDF)
Flow Indicator (F)
  • Machined cast acrylic, PVC connections, ceramic ball, PVDF ball stop, PVC half unions
Y Strainer (S)
  • PVC body, 1/32” Mesh (optional CPVC, PVDF)
Pressure Switch (PSH)
  • 316 Stainless Steel
Back-Pressure Valve (BPV)
  • PVC body, 0-150 PSI Range (optional CPVC, PVDF)
Universal Mounting Blocks
  • PA 12
Pump Extended Mounting Brackets
  • 316 Stainless Steel
Skid Mounting Foot Pads
  • 316 Stainless Steel
Mounting Hardware
  • 304 Stainless Steel – Floor mounting only acceptable
Maximum Working Pressure
  • 150 psig (10.3 bar)
Operating Temperature
  • 14 °F to 115 °F (-10 °C to 46 °C)
Containment Volume
  • 3.2 gal (12.46L) – Integral to skid. 1/4” FNPT drain port.
Maximum Overall Dimensions
  • 72”W x 49.50”H x 35.0”D (82.88W x 125.73H x 88.90D cm)
Approximate Shipping Weight
  • Standard: 200 lb. (91 Kg) with mounted pumps: 240-380 lbs (172 Kg)




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