Graco Husky 716 D53211 3/4 Inch PP Diaphragm Pump

The Graco Husky 716 D53211 is a 3/4 inch air operated double diaphragm pump designed for reliable fluid transfer in industrial processing applications.

Featuring a polypropylene fluid section and Santoprene diaphragm configuration, this pump provides a lightweight and chemically compatible solution for transferring a wide range of industrial fluids.

The pneumatic diaphragm design eliminates the need for electric motors and mechanical seals, providing flexible installation, self-priming capability and reliable operation.

Compared with stainless steel Husky 716 models, the D53211 provides a cost-effective polypropylene configuration for general industrial fluid handling applications.

Key Features

• Graco Husky 716 Series design
• 3/4 inch NPT fluid connection
• Polypropylene pump construction
• Santoprene diaphragm configuration
• Air operated double diaphragm technology
• 60.6 L/min maximum flow
• Self-priming operation
• Dry-run capability

Typical Applications

• Chemical transfer systems
• Water treatment equipment
• Coating and painting systems
• Industrial process equipment
• Fluid circulation systems
• Manufacturing applications

Polypropylene Construction Advantage

Compared with stainless steel pump versions:

• Lightweight design
• Good chemical compatibility
• Lower equipment cost
• Suitable for general industrial fluids

Husky 716 Medium Flow Performance

The 716 Series provides:

• Higher flow than compact diaphragm pumps
• Stable continuous operation
• Easy maintenance
• Flexible installation options

Air Operated Diaphragm Design

Advantages include:

• No electric motor required
• Safe operation in demanding environments
• Self-priming capability
• Dry-running protection

Model Difference

Graco Husky 716 D53211

3/4 inch connection

Polypropylene configuration

General industrial transfer

Graco Husky 716 D54381

3/4 inch connection

Stainless steel fluid section

Harsh environment applications

Graco Husky 515 Series

1/2 inch connection

Smaller flow capacity

Installation Notes

• Confirm fluid compatibility
• Verify air supply pressure
• Check diaphragm material suitability
• Ensure correct connection size
• Use clean compressed air

FAQ

Q1: What type of pump is D53211?

A1: It is a Graco Husky 716 air operated double diaphragm pump.

Q2: What is the port size?

A2: The pump uses 3/4 inch NPT connections.

Q3: What is the difference between D53211 and D54381?

A3: D53211 uses polypropylene construction, while D54381 uses stainless steel for more demanding environments.

Q4: Does the pump require electrical power?

A4: No. It operates using compressed air.

Q5: What is the maximum flow rate?

A5: The maximum flow rate is approximately 60.6 L/min.