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Home  >  Pumps > Positive Displacement Pumps > Air-Driven Pumps > High-Purity Air-Operated Double-Diaphragm Pumps  

High-purity air-operated double-diaphragm pump, 3.25 GPM, 1/4" NPT

EW-74020-00
$1,938.00 USD/EACH

Usually ships in 9 days.
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  • Unique air valve ensures a positive shift every time—pump will not stall

  • All diaphragms, liquid chambers, and manifolds are constructed

  • of 100% virgin PTFE for long life and high purity

  • Patented valve requires no lubrication or prepacking.

  • Easily access air valve without disassembling the pump

Air-Driven Pumps and other Pumps - Positive Displacement Pumps products are now available to order from the Cole-Parmer Catalog. Click any Air-Driven Pumps category to view all models and products.Pumps are manufactured under class 1000 clean room conditions to guarantee purity.
Specifications
Product Type Air-Powered Diaphragm Pumps
Wetted materials PTFE
Port size 3/8" NPT(F)
Max flow rate (LPM) 12.3
Max temperature (º C) 80
Max temperature (º F) 176
Connection (inlet) 1/4" NPT(F)
Air inlet (connection) 1/4" NPT(F)
Air inlet (max psi) 100
Connection (outlet) 1/4" NPT(F)
Dimensions 7-1/2"W x 7-7/8"H x 6-1/16"D

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Technical Resources
  • CP_Flow_Curve_74020-00.pdf
    		•
    Virtual Catalog (PDFs)
  • 13-14 Catalog
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