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Air-Operated Double Diaphragm Pump

Type:HD-2401
Size of machine:400mm x 210mm x 470mm
Pressure ratio 1:1
Air pressure:1~5 kg/cm²
Diaphragm material:Teflon(PTFE)
Fluid Orifice:3/8”
Weight:10KG

Detail

Role of Double Diaphragm Air Pump in Coating and Fluid Transfer Systems

Industries and Application Scope

An air operated double diaphragm pump is widely used in industrial coating and fluid transfer systems. It delivers stable transport of paints or liquids to spray equipment or circulation pipelines, ensuring continuous production flow.

Common Application Areas

  • Paint transfer in spray coating production lines
  • Circulating supply systems for industrial coating
  • Chemical liquids and solvent transfer
  • High-viscosity fluid handling applications
In coating material delivery systems, HONGDART plays an important role in providing stable feeding equipment integration.

Common Issues in Paint Transfer Systems

On-site Production Challenges

  • Flow fluctuations causing uneven coating thickness
  • Paint sedimentation affecting transfer stability
  • Pipeline clogging leading to production downtime
  • Insufficient chemical resistance of traditional pumps
Using a double diaphragm air pump helps reduce supply instability and lowers the risk of unexpected downtime.

Core Design Features of Double Diaphragm Air Pump

Dual Diaphragm Reciprocating Transfer System

  • Alternating suction and discharge reduces flow fluctuation
  • Improves stability of fluid delivery
  • Suitable for a wide range of fluid properties

Pneumatic Drive Safety Design

  • No spark operation design
  • Suitable for flammable or solvent-based coatings
  • Reduces electrical hazard risks

Stable Flow Control System

  • Reduces pressure pulsation impact
  • Maintains consistent output flow
  • Improves coating consistency

Integration in Coating Transfer Systems

Coating Line Feeding Applications

  • Connected to spray coating feeding systems
  • Used in centralized paint supply structures
  • Supports continuous production processes

Multi-Equipment Feeding Integration

  • Simultaneous supply for multiple spray guns
  • Centralized paint storage and transfer systems
  • Shared supply architecture for multiple production lines

FAQ

What materials can a double diaphragm air pump handle?

It is suitable for paint, ink, acetone, alcohol, and other solvent-based flammable coating materials.

Is it suitable for explosion-proof environments?

Yes. The pneumatic drive design is suitable for flammable and high-risk environments.

Project Consultation

If you are planning a coating fluid transfer system or integrating an industrial feeding process, feel free to share your production and material requirements for discussion.

👉 HONGDART – an air operated double diaphragm pump manufacturer providing coating transfer system integration and production line planning.

Contact us via 【Product Inquiry】 or 【Contact Us】 for quotation and system planning support.

Product Inquiry