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Flapper Valve assembly pump parts

  • Manufacturer:
  • Product Name:
    Flapper Valve assembly pump parts
  • Model Number:
Diaphragm Mud pump 3" part
Model Number
AMT - 3354-071-90: Flapper Valve assembly pump parts

Flapper valve assembly for AMT Diaphragm Mud pump 3", Genuine repair part. Fits both gas and electric drive units. AMT pump repair parts. 2 required 

3354-071-90 kit includes the flapper 2126-000-00 which replace old 2126-001-00. (includes Ref. Nos. W10, W11, W12, W13)

Need help trouble shooting your pump problems or repairs, picking which parts? Let the experienced AMT pump experts at PumpBiz help you. Remember we are not just a extensive and technical web site, there are seasoned pump industry service and application Engineers ready to help you with live personable and friendly help. Need the parts fast, no problem. Its simple 800-PumpBiz (786-7249) or email us. Need the manual simply enter the pump model number into our site search and on the pump page you will find a link to it and other images for the pump. Fits multquip wacker koshin pdt3.

Do not use more than 25FT of discharge hose or reduce size. Damage to pump can happen with to much back pressure.

More Information
Model Number 3354-071-90
Wetted Materials Polyurethane
Elastomers / O-ring Neoprene
Other Used on 336_-96 and 335_ AMT diaphragm pumps. See manual PDF for other parts. Part number is for a SINGLE flapper assembly. There are two per pump.
Weight (Lbs) 2.000000

AMT Pump Company is A Subsidiary of The Gorman-Rupp Company located in Mansfield, Ohio. AMT offers over 1000+ different standard model numbers of which 400+ are readily available and offered as QSP, Quick Ship Products. AMT manufactures and sells Industrial / Commercial pumps & accessories through authorized distributors.

Virtually every product AMT sells is engineered and designed by the company. Pump components are machined, assembled and tested at the Royersford, Pennsylvania facility.

AMT’s unique designs and patented products have made the company the industry leader for their high quality pumps.