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E4 1-1/2" Pumps

Versa-Matic E4 Series 1½" Double Diaphragm Pumps

The Elima-Matic air valve pump 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 Versa-Matic 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

Specifications are given below, or you can download product information for the E4 pump line (PDF format) here:

  • Data Sheet (specifications, performance charts & dimensions)

E4 – Clamped Metallic
  Specifications – Clamped Metallic
  English Metric
Flow Rate
adjustable to 0-70 gpm 0-265 lpm
Port Size
Inlet 1.50" NPT (BSP)
Discharge 3.0" NPT (BSP)
Air Inlet 0.5" NPT
Air Exhaust 0.75" NPT
Suction Lift
15' Dry / 25' Wet (4.57m / 7.62m)
Teflon®: 10' Dry / 20' Wet (3.05m / 6.10m)
Maximum 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
  Performance Chart – Clamped Models

Note: For E4 pumps fitted with Teflon® 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.


E4 – Bolted Metallic
  Specifications – Bolted Metallic
  English Metric
Flow Rate
adjustable to 0-72 gpm 0-272 lpm
Port Size
Inlet & Outlet 1.50" ANSI/DIN
Air Inlet 0.50" NPT
Air Exhaust 0.75" NPT
Suction Lift
15' Dry / 25' Wet (4.57m / 7.62m)
Teflon®: 10' Dry / 20' Wet (3.05m / 6.10m)
Maximum Particle Size
(Diameter) 0.1875" 4.76mm
Shipping Weights
Stainless 65 lbs 29.5 kg
Hastelloy C 68 lbs 30.8 kg
Horizontal Discharge Model Available

E4 – Bolted Plastic
  Specifications – Bolted Plastic
  English Metric
Flow Rate
adjustable to 0-72 gpm 0-272 lpm
Port Size
Inlet 1.50" ANSI/DIN Flanged
Discharge 1.50" ANSI/DIN Flanged
Air Inlet 0.50" NPT
Air Exhaust 0.75" NPT
Suction Lift
15' Dry / 25' Wet (4.57m / 7.62m)
Teflon®: 10' Dry / 20' Wet (3.05m / 6.10m)
Maximum Particle Size
(Diameter) 0.1875" 4.76mm
Shipping Weights
Polypropylene 32 lbs 14.5 kg
Kynar® 45 lbs 20.4 kg
Groundable Acetal 10 lbs 4.54 kg
Swivel Inlet / Discharge
  Performance Chart – Bolted Models

Note: For E4 pumps fitted with Teflon® 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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