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E4 1-1/4" Pump: Clamped Metallic

The Elima-Matic air valve system ensures continuous, reliable performance in the E4 1-1/2" pump. Available in both clamped and bolted models with a flow rate of 0-72 gpm, this durable pump can handle infinite variable flows up to 90% solids.

The E4 1-1/2" Pump...

  • is available in either plastic or metal
  • supplies a corrosion-resistant air section
  • is self-priming
  • provides dimensional interchangeability with Wilden 1-1/2" pumps
  • offers horizontal discharge model on bolted metallic pump

E4 1-1/4" Clamped Metallic Pump.
Specifications Performance Chart
Specifications English  Metric
Flow Rate
adjustable to  0-70 gpm 0-265 lpm
Port Size
Inlet 3.0" NPT (BSP)
Discharge 1.50" NPT (BSP)
Air Inlet 0.50" NPT
Air Exhaust 0.75" NPT
Suction Lift
15' Dry/25' Wet (4.57m/7.62m)
PTFE: 10' Dry/20' Wet (3.05m/6.09m)
Max. Particle Size
Diameter 0.1875" 4.76mm
Shipping Weights
Aluminum 41 lbs 18.60 kg
Cast Iron 57 lbs 25.85 kg
Hastelloy C 57 lbs 25.85 kg
Stainless 57 lbs 25.85 kg

Determined by actual flow meter tests

Performance Chart of E4 1-1/4" Clamped Metallic Pump.

Note: For E4 pumps fitted with PTFE diaphragms, reduce water discharge figures by 20%. Suction lift is reduced to 10' (3.05m) dry and 20' (6.10m) wet
Caution: Do not exceed 125 psig (8.5 bars) air supply or liquid pressure


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