3/4" air-operated diaphragm pumps

3/4" Air-Operated Double Diaphragm Pumps

Versa-Matic® E7 DN20 Air-Operated Double Diaphragm Pump (AODD)

The Versa-Matic E7 DN20 (3/4") Air-Operated Double Diaphragm Pump is designed for reliable fluid transfer in industrial facilities, chemical processing plants, and demanding process applications. With flow rates up to 45.4 LPM (12 GPM), a dry suction lift of 3.9 m, and rugged aluminum construction, the E7 delivers an excellent balance of performance, reliability, and cost efficiency.

Powered by the proven Elima-Matic® air valve technology, the pump operates reliably without freezing while maintaining excellent air efficiency and low maintenance requirements. The leak-resistant bolted construction provides long service life and dependable performance even under demanding operating conditions.

The E7 is particularly suitable for chemical transfer, dosing systems, solvents, paints, lubricants, industrial process media, and OEM equipment. ATEX-certified versions are available for use in hazardous environments.

Key Advantages of the Versa-Matic E7

Flow rates up to 45.4 LPM
DN20 (3/4") connection size
Operating pressure up to 6.8 bar
Self-priming operation
Dry-run capable
Rugged aluminum construction

Leak-resistant bolted design
Low air consumption
Low maintenance requirements
ATEX-certified versions available
Suitable for chemicals and process fluids
Compact design for OEM applications

Technical Specifications

Specification	Value
Pump Type	Air-Operated Double Diaphragm Pump (AODD)
Port Size	DN20 / 3/4"
Maximum Flow Rate	45.4 LPM (12 GPM)
Maximum Operating Pressure	6.8 bar (100 PSI)
Dry Suction Lift	3.9 m
Wet Suction Lift	6.7 m
Maximum Solids Size	1.6 mm
Air Inlet	3/8" NPT
Air Exhaust	3/8" NPT
Displacement Per Stroke	0.08 L
Noise Level	84 dB(A)
Weight	3.9 kg
Material	Aluminum
Certification	ATEX

Industrial Applications

Chemical transfer
Dosing systems
Solvent handling
Paint and coating transfer
Lubricant delivery systems

Machinery manufacturing
Process industries
Water treatment systems
OEM equipment
ATEX hazardous areas

Why Choose Versa-Matic?

Versa-Matic's patented Elima-Matic® Air Distribution System delivers dependable, non-freezing, and lubrication-free performance. This advanced technology minimizes downtime, reduces maintenance costs, and prevents valve stalling during continuous operation.

Elima-Matic® Benefits

Non-stalling operation
No lubrication required
Icing-resistant performance
Reduced maintenance costs
Improved reliability
Excellent air efficiency

ATEX-Certified Performance

The Versa-Matic E7 is available in ATEX-certified configurations for pumping flammable liquids and operating safely in hazardous environments. The robust bolted aluminum construction and advanced air valve technology provide dependable operation in demanding industrial locations.

Compact Design for OEM Equipment

With its lightweight aluminum construction, compact dimensions, and flexible installation options, the E7 is an ideal solution for OEM machinery, skid-mounted equipment, dosing systems, and process automation applications.

Its compact footprint allows easy integration into systems where installation space is limited while maintaining reliable industrial pumping performance.

Typical Industries

Chemical processing
Water treatment
Paint and coatings
Industrial dosing systems
Lubrication systems

Process manufacturing
OEM equipment
Automotive chemicals
General industrial fluid transfer
Hazardous area operations

Why Choose the Versa-Matic E7?

The Versa-Matic E7 3/4" Air-Operated Double Diaphragm Pump combines compact design, excellent efficiency, and proven reliability in one industrial pumping solution. Delivering up to 45.4 liters per minute, the E7 is ideally suited for chemical transfer, dosing applications, lubricants, solvents, paints, and industrial process fluids.

Its lightweight aluminum construction, ATEX certification, self-priming capability, and Elima-Matic® air valve technology make it a dependable choice for industrial users seeking long-term performance with minimal maintenance.