AODD Pump for Highly Viscous Material — Antlia Engineering Works Mumbai

AODD Pump for Highly Viscous Material

Antlia AODD (Air Operated Double Diaphragm) pumps are capable of transferring a wide range of viscous materials — including oils, lubricants, inks, adhesives, and other similar thick fluids. The ability to handle viscous materials depends on two key factors: the pump design and the diaphragm material selected for the application.

Why AODD Pumps Handle Viscous Fluids Well

Pump Design Advantages for Viscous Material Transfer

In general, AODD pumps are well-suited for handling viscous fluids because they can generate high levels of suction and discharge pressure. This makes it easier for the pump to move thicker, more viscous fluids through the system.

Additionally, AODD pumps have no close-fitting parts that can get clogged or damaged by viscous fluids, which makes them far less prone to failure compared to centrifugal or gear pumps when handling thick materials.

Key Design Features: Large ball check valves, wide flow passages, and air-powered reciprocating action — all of which work together to move thick, slow-flowing fluids efficiently without clogging.
Additional Advantage: AODD pumps are self-priming, can run dry without damage, and do not require electricity — making them safe and practical for challenging viscous fluid applications in hazardous or remote environments.
Typical Viscous Materials Handled

What Viscous Materials Can Antlia AODD Pumps Transfer?

Antlia AODD pumps are used across industries to transfer a wide range of viscous and thick fluids:

Oils & Lubricants
Inks & Pigments
Adhesives & Glue
Paints & Coatings
Resins & Polymers
Creams & Pastes
Grease
Slurries
Fevicol / PVA
Important: For materials that dry or solidify (like glue, paint, or resins), always flush the AODD pump with a compatible solvent or water after each use to prevent choking or blockage.
Diaphragm Material Selection

Role of Diaphragm Material in Viscous Fluid Pumping

The diaphragm material plays a critical role in the ability of an AODD pump to transfer viscous materials. The right diaphragm must be able to withstand the shear forces generated by the viscous fluid and maintain its shape and integrity over extended operation.

The three most recommended diaphragm materials for viscous fluid applications are:

Buna-N (NBR)

Buna-N Diaphragm

Good resistance to oils, fuels, lubricants, and petroleum-based fluids. Most economical option for viscous oil-based applications.

Viton (FKM)

Viton Diaphragm

Excellent resistance to solvents, inks, chemicals, and high-temperature viscous fluids. Suitable for demanding industrial applications.

PTFE

PTFE Diaphragm

Best chemical resistance across the widest range of fluids. Ideal for aggressive chemicals, adhesives, and viscous pharmaceutical fluids.

Selection Tip: Contact Antlia Engineering Works with your fluid name, concentration, and temperature — we will recommend the best diaphragm material for your viscous fluid application.
Summary

Why AODD Pumps Are a Reliable Choice for Viscous Material Transfer

Overall, AODD pumps are a reliable and effective option for transferring viscous materials across a wide variety of industrial applications. Their key advantages for viscous fluid handling include:

  • High suction and discharge pressure — moves thick fluids effectively
  • No close-fitting parts — no clogging risk from viscous materials
  • Self-priming — starts without priming even with thick fluids
  • Run dry safe — no damage if fluid runs out temporarily
  • No electricity — safe for flammable viscous fluids like solvents
  • Wide diaphragm material options — Buna-N, Viton, PTFE for any fluid
  • Adjustable flow — control output by adjusting air pressure

Need an AODD pump for your viscous material application?

Our engineers at Antlia Engineering Works, Mumbai will help you select the right pump size, body material, and diaphragm material for your specific viscous fluid — free consultation.

Get a Free Consultation Call +91 9819395995

Frequently Asked Questions

Can AODD pumps handle highly viscous fluids?

Yes. Antlia AODD pumps are well-suited for highly viscous fluids including oils, lubricants, inks, adhesives, and pastes. They generate high suction and discharge pressure, and have no close-fitting parts that can clog — making them ideal for thick fluid transfer.

Which diaphragm material is best for viscous fluid pumping?

Buna-N, Viton, and PTFE are the recommended diaphragm materials for viscous fluid applications. These materials withstand the shear forces generated by viscous fluids and maintain their shape over time. PTFE offers the broadest chemical compatibility while Buna-N is most economical for oil-based fluids.

What types of viscous materials can Antlia AODD pumps transfer?

Antlia AODD pumps can transfer oils, lubricants, inks, adhesives, glue, paint, resins, creams, pastes, grease, slurries, and other thick industrial fluids across food, pharmaceutical, chemical, and manufacturing industries.

Why are AODD pumps preferred for viscous material transfer?

AODD pumps are preferred because they generate high suction and discharge pressure, have no close-fitting parts that clog, are self-priming, can run dry without damage, work without electricity, and offer a wide range of diaphragm materials for chemical compatibility.