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E1 Metallic Bolted pump provides durable, leak-free performance for industrial fluid handling, ensuring reliability and efficiency.

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E1 Metallic Bolted pump provides durable, leak-free performance for industrial fluid handling, ensuring reliability and efficiency.Versamatic 1″ (25mm) Bolted Metallic Air-Operated Diaphragm Pump

The Versamatic 1″ bolted metal air-operated double-diaphragm (AODD) pump is built for rugged performance and clean, reliable fluid handling. Designed with a patented air valve system, it delivers non-stalling, lube-free operation, making it ideal for demanding industrial and chemical transfer applications.

With a flow rate of up to 49 gpm (185 lpm) and suction lift capabilities up to 31 feet wet, this pump is perfect for a wide range of fluid viscosities, including aggressive or corrosive chemicals. Its robust bolted construction ensures leak-free operation, while a range of material options provides flexibility for your specific process needs.

Key Features

  • Patented air distribution system ensures reliable on/off functionality

  • Non-lubricated air valve – reduces maintenance cost and environmental risks

  • Bolted design provides structural integrity and leak resistance

  • Available in aluminum, stainless steel, and Alloy-C wetted path materials

  • Compatible with a wide range of chemicals and fluids

  • Long-lasting diaphragms for reduced downtime

  • Compact 1″ port size for installation flexibility

  • Fully ATEX compliant for safe operation in explosive environments

Technical Specifications

Specification Details
Flow Rate 0–49 gpm (185 lpm)
Suction Port 1″ NPT
Discharge Port 1″ NPT
Air Inlet 3/8″ NPT
Air Exhaust ½” NPT
Suction Lift (Dry/Wet) 15″ (4.6 m) / 31″ (9.4 m)
Max Solid Size 1/8″ (3.2 mm)
Max Noise Level 91 dB(A)
Shipping Weight Aluminum: 27 lbs (12.2 kg)
Stainless Steel: 40 lbs (18.1 kg)
Alloy-C: 40 lbs (18.1 kg)

The 1″ Versamatic AODD pump is available in multiple material configurations to suit different chemicals and environmental requirements:

  • Aluminum – lightweight and economical for general-purpose use

  • Stainless Steel – corrosion-resistant and suitable for aggressive chemicals

  • Alloy-C (Hastelloy equivalent) – ideal for highly corrosive and high-purity applications

Diaphragms and check valves are available in a range of elastomers including Santoprene, PTFE and Buna, ensuring compatibility with a broad range of chemicals.

E1-1″ Bolted Metallic AODD Pump Applications

Whether you’re handling acids, solvents, slurries, or wastewater, this 1″ AODD pump is trusted across industries for consistent performance and easy serviceability. It’s frequently used in:

  • Chemical processing and transfer

  • Wastewater treatment and sludge handling

  • Paints, inks, and coatings

  • Mining and construction fluids

  • Industrial and OEM equipment skids

  • Explosive or hazardous zones (ATEX Zone 1 and 21 compliant)

Versamatic 1 inch bolted metal AODD pump data sheet

Use our interactive chemical compatibility guide to check if your fluid is suitable for use with this pump. Our team is also ready to assist in selecting the right configuration based on pressure, flow rate and chemical resistance.