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LMI AD251-938SI Roytronic Excel Series AD Chemical Injection Pump Manual Control, 0.01 to 1.0 GPH, 110 PSI, 115 VAC ( AD251938SI )


$ 1,139.00 $ 1,252.90

Question? Call us:+1-800-613-2974

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Wet Materials:  PVC (Check compatibility here!What is this?

Max Pressure: 110 psi     What is this?

Max Flow Rate: Adj from 0 to 1 GPH     What is this?  

Power:  110 VAC 

Control: Manual Control     What is this?

Pump Type: Diaphragm

Box contains: complete pump, injection valve, foot valve and 5 ft of suction and discharge tubing.

Simplify is our way of making it easier for you to decide if this is the correct pump for you. Make sure the wet materials are compatible with the chemical (use compatibility chart here), the pump can achieve the maximum pressure and flow rate, it can use the power source available and, the control is the one you need for your application. Anything else is "bells and whistle"

LMI's robust processor-based control chemical injection metering pump, offers improved electro-magnetics
  • Easy-to-use push button controls with LCD user interface
  • Manual stroke length knob
  • Low level float switch connection
  • Lockable clear cover
  • NEMA 4X / IP65 enclosure

Manual control chemical injection pump. 
These pumps feature manual stroke length and frequency adjustment. Low level indication is possible via the remote input. LCD provides quick user feedback of pump status and theoretical pump flow.


Max Flow Rate (LPH)                                 3.8

Min Flow Rate (LPH)                                 0.04

Max Flow Rate (GPH)                                1

Min Flow Rate (GPH)                                 0.01

Max Pressure (PSI)                                 110

Max Pressure (bar)                                    7.6

Suction Lift, Dry (in H₂O)                            60

Suction Lift, Dry (mm of H₂O)                     1524

Power (VAC)                                              115

Power (Hz)                                                50/60

Power (amps)                                            1.4

Input                                                          Low level switch

Wetted Materials          Ceramic, Fluorofilm™ Liquifram™, Polyprel® , PVC

Inlet Connection                                         1/4" OD tubing

Outlet Connection                                      1/4" OD tubing

Repeatability                                              ±2%

Max Temperature (° F)                               140

Max Temperature (° C)                              60

Viscosity, Max (cP)                                    400

Duty Cycle Continuous                              Yes

Height (in)                                                  11.25

Width (cm)                                                 11.7

Length (in)                                                 11.125

Height (cm)                                                28.5

Width (in)                                                   4.625

Length (cm)                                               28.3

UL(US) Regulatory Approval                      Yes

    Check your chemical's material compatibility here!

      These pumps have a manufacturer's 12 months warranty on manufacturing defects! also:

      We offer a 30-day money back guarantee on all products that have been purchased from us directly. All items must be returned as new in their original packaging, including all accessories and cables. Missing items will be charged based on suggested retail prices. All returns must be accompanied by a valid return authorization number (RMA) issued by us. If an RMA is not obtained prior to shipping, the returned product will be refused and returned to sender. Shipping cost is not refundable and returns must be shipped prepaid by the customer. To set up a return for refund please email . Please be sure to include your order # and reason for returning in your email.


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