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General| Housing Material | Polypropylene |
|---|---|
| Series | PD20P |
| Type | Diaphragm Pump |
| Suspended Solids Max. Size | 3/8" (9.5 mm) |
| Motor Type | Pneumatic |
Key performance and physical data for the diaphragm pump.
Details on component materials and their operational temperature ranges.
Information on pump dimensions and noise levels.
Breakdown of material options for various pump components.
Details on electronic interface, fluid connections, and hardware materials.
Guidance on selecting appropriate fluid section service kits.
Covers hazards like excessive pressure, static sparks, and hazardous materials.
Details risks associated with chemical reactions, misapplication, and temperature limits.
Includes warnings on running dry, system support, and using genuine parts.
Overview of ARO diaphragm pump capabilities, design, and operational cycles.
Requirement for a filter capable of removing particles larger than 50 microns from the air supply.
Specifies that no additional lubrication is required other than factory-applied O-ring lubricant.
Verify model configuration and retorque external fasteners before startup.
Instructions for flushing the pump and using appropriate material supply and flexible connections.
Guidance on securing the pump legs and ensuring adequate support for piping.
Specifies the maximum flooded suction inlet pressure allowed.
Always flush the pump with a compatible solvent if material may set up.
Disconnect air supply from the pump if it will be inactive for a few hours.
Information on service kits for air and fluid sections, matching material options.
Provide a clean work surface to protect internal parts from contamination.
Keep good records of service activity and include the pump in a preventive maintenance program.
Steps for disassembling the fluid section, including manifold, caps, diaphragms, and washers.
Instructions for reassembling the fluid section, including cleaning, part inspection, and lubrication.
Details on available ball and seat material options for fluid sections.
Lists diaphragm material options and corresponding service kit numbers.
Specifies material options for manifolds and fluid caps based on model series.
Lists common parts used across different configurations with their part numbers and materials.
Key to material colors for diaphragms and balls.
Diagram of the fluid section with torque sequence for reassembly.
Specific torque values for diaphragm screws and other fasteners.
Recommendations for grease, sealants, and thread treatments during assembly.
List of parts for the air motor section, including part numbers and materials.
General notes for servicing the air motor section, including inspection and lubrication.
Step-by-step instructions for disassembling and reassembling the pilot valve.
Procedures for disassembling and reassembling the major valve components.
Visual representation of the pilot valve component group.
Exploded view illustrating the major valve assembly.
Details on torque requirements for air section fasteners and lubrication guidelines.
Lists components included in the Major Valve Service Assembly.
Diagnoses for product discharged from the exhaust outlet.
Troubleshooting steps for air bubbles appearing in the product discharge.
Identifies causes for motor blowing air or stalling, and related checks.
Addresses common causes for low output volume, erratic flow, or no flow.
Provides detailed measurements and dimensions for the pump assembly.
Specifies sizes for air inlet, outlet, and exhaust ports.
