1" air-operated diaphragm pumps

1" Air-Operated Double Diaphragm Pumps

Versamatic® 1" (25 mm) AODD Pumps

Versamatic® 1" (25 mm) air-operated double diaphragm (AODD) pumps are engineered for reliable fluid transfer across a wide range of industrial, chemical processing, and wastewater applications. Available in both metallic and non-metallic constructions, these pumps deliver exceptional durability, installation flexibility, and industry-proven performance. The 1" pump range incorporates patented air distribution technology designed to provide continuous, non-stalling operation with superior air efficiency.

1" Bolted Metal AODD Pumps

Versamatic's 1" bolted metal diaphragm pumps are designed for demanding industrial environments where durability and leak-free performance are critical. The robust bolted construction ensures safe handling of aggressive chemicals, solvents, oils, and process fluids while minimizing maintenance requirements.

Key Benefits

Leak-free bolted construction
Patented non-stalling air valve system
Lube-free operation
Excellent air efficiency
Extended diaphragm life
Low-cost maintenance
Available in multiple metallic materials
ATEX-compliant models available

1" Bolted Plastic AODD Pumps

Versamatic 1" plastic AODD pumps offer excellent chemical resistance, lightweight construction, and outstanding reliability for corrosive fluid applications. Multiple porting configurations provide exceptional installation flexibility while maintaining leak-free performance.

Available Plastic Materials

Polypropylene (PP)
PVDF (Kynar®)
Conductive Polypropylene (ATEX)

These material options make the pumps ideal for acids, caustics, chemical transfer, water treatment, and other corrosive applications.

Versamatic® Valor™ 1" AODD Pump

The Versamatic Valor™ represents the next generation of air-operated double diaphragm technology. Designed with a patented modular center section, Valor delivers easier maintenance, increased flexibility, and industry-leading performance compared to traditional AODD pumps.

Effortless to Maintain

The innovative center section significantly reduces maintenance time and simplifies service procedures.

Easy-to-service combined air valve and pilot valve
Common wet-side bolt sizing
Simplified diaphragm assembly process
Stable design during maintenance
Air-side servicing in approximately 5 minutes

Flexible by Design

Center-port and end-port configurations
Dual-porting options available
Adjustable mounting feet
ANSI and DIN flange compatibility
Easy retrofit into existing systems

Built for Performance

Flow rates up to 63 GPM (238 LPM)
Maximum operating pressure 125 psi (8.6 bar)
Class-leading air efficiency
Long diaphragm and check ball life
Non-freezing, non-stalling operation
Solids handling up to 6 mm (0.25")

Advantages of Versamatic 1" AODD Pumps

Patented air distribution systems
Non-stalling operation
Dry-run capability
Self-priming performance
Low air consumption
Leak-free bolted construction
Multiple porting options
Excellent chemical compatibility
Extended diaphragm service life
Easy maintenance and servicing
ATEX-certified configurations available

Typical Applications

Versamatic 1" diaphragm pumps are widely used in:

Chemical transfer
Chemical dosing
Water and wastewater treatment
Paints and coatings
Inks and pigments
Adhesive transfer
Industrial fluid handling
Mining and mineral processing
Metal finishing
Process manufacturing
Tank unloading
Drum transfer operations

Technical Specifications (Valor 1" Plastic Series)

Specification	Value
Pump Size	1" (25 mm)
Maximum Flow Rate	63 GPM (238 LPM)
Maximum Operating Pressure	125 psi (8.6 bar)
Suction/Discharge Port	1" ANSI/DIN Flange
Air Inlet	3/4" NPT
Air Exhaust	1" NPT
Dry Suction Lift	5.8 m
Wet Suction Lift	9.5 m
Max Solids Size	6 mm
Displacement	0.83 L per stroke
Construction	Polypropylene, PVDF, Conductive Polypropylene

Why Choose Versamatic 1" AODD Pumps?

Whether you need superior chemical resistance, ATEX compliance, leak-free operation, or reduced maintenance costs, Versamatic's 1" AODD pump range offers a proven solution. From the versatile metal and plastic bolted pumps to the innovative Valor™ platform, Versamatic delivers reliable performance and long service life in the most demanding industrial environments.