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E1 1" Pumps

Versa-Matic E1 Series Double Diaphragm Pumps

Versa-Matic's E1 1" pump uses the Elima-Matic air valve system to provide non-stalling, lube-free performance. The E1 plastic bolted pump comes in optional and standard porting models, and offers a flow rate of 0-35 gpm.

The Versa-Matic E1 1" Pump...

  • is available in either plastic or metal
  • supplies a corrosion-resistant air section
  • provides multiple porting options
  • is self-priming
  • offers center port and split manifolds on plastic bolted pumps
  • offers UL listed models on bolted metallic pumps

Specifications are given below, or you can download product information for the E1 pump line (PDF format) here:


E1 – Bolted Metallic
  Specifications – Bolted Metallic
  English Metric
Flow Rate
adjustable to 0-35 gpm 0-132 lpm
Port Size
Inlet 1.0" Female NPT (BSP)
Outlet 1.0" Female NPT (BSP)
Air Inlet 0.375" NPTF
Air Exhaust 0.50" NPT
Suction Lift
15' Dry / 25' Wet (4.57m / 7.62m)
Teflon®: 10' Dry / 20' Wet (3.05m / 6.10m)
Maximum Particle Size
(Diameter) 0.125" 3.17mm
Shipping Weights
Aluminum 31 lbs 14.07 kg
Stainless 42 lbs 19.05 kgs
Hastelloy C 42 lbs 19.05 kg
UL Listed Models Available
  Performance Chart – Bolted Metallic

Note: For E1 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.


E1 – Bolted Plastic
  Specifications – Bolted Plastic
  English Metric
Flow Rate
adjustable to 0-35 gpm 0-132 lpm
Port Size
Inlet/TD> 1.0" ANSI/DIN Flanged
Outlet/TD> 1.0" ANSI/DIN Flanged
Air Inlet 0.375" NPT
Air Exhaust 0.50" NPT
Suction Lift
15' Dry / 25' Wet (4.57m / 7.62m)
Teflon®: 10' Dry / 20' Wet (3.05m / 6.10m)
Maximum Particle Size
(Diameter) 0.125" 3.17mm
Shipping Weights
Polypropylene 24 lbs 10.9 kg
Kynar® 24 lbs 10.9 kg
Options: Center Port and Split Manifolds Available
  Performance Chart – Bolted Plastic

Note: For E1 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 100 psig (6.9 bars) air supply or liquid pressure.


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