Subcategory of DIESEL DRIVEN PUMPS/AUTO PRIME PUMPS

Diaphragm Pump Priming

Getting suction on a surface-mounted pumping setup can be tricky right at the start. A diaphragm pump priming system is used to clear the air out of the suction line. Then the main pump can start pumping without needing someone to prime it by hand. PATNI PUMPS supplies diaphragm pump priming options for dewatering jobs, sewage work, slurry transfer, drainage, and other tough-duty pumping tasks. Their line includes several EDP-DP models, including smaller units as well as larger setups meant to handle big flow rates.
EDP-DP-20
Diaphragm Pump Priming

EDP-DP-20

Technical specs
Suction Connection 600 mm / 24 inch Delivery Connection 500 mm / 20 inch Solid Handling 100 mm / 4 inch Max. Head / Max. Flow 60 mtr / 3500 m3/hr Engine Bell Housing SAE3 / SAE1 Max. Impeller Diameter 610 mm Max. Working Pressure 6 bar Priming 120 CFM / 800 RPM Best Efficiency Point Head and Flow 40 mtr / 2500 m3/hr
EDP-DP-16
Diaphragm Pump Priming

EDP-DP-16

Technical specs
Suction Connection 450 mm / 18 inch Delivery Connection 400 mm / 16 inch Solid Handling 125 mm / 5 inch Max. Head / Max. Flow 44 mtr / 2200 m3/hr Engine Bell Housing SAE3 / SAE1 Max. Impeller Diameter 500 mm Max. Working Pressure 5 bar Priming 120 CFM / 800 RPM Best Efficiency Point Head and Flow 28 mtr / 1500 m3/hr
EDP-DP-12
Diaphragm Pump Priming

EDP-DP-12

Technical specs
Suction Connection 300 mm / 12 inch Delivery Connection 300 mm / 12 inch Solid Handling 100 mm / 4 inch Max. Head / Max. Flow 62 mtr / 1400 m3/hr Engine Bell Housing SAE3 / SAE1 Engine Fly Wheel 10 inch / 14 inch Max. Impeller Diameter 359 mm Priming 120 CFM / 800 RPM Best Efficiency Point Head and Flow 42 mtr / 1000 m3/hr
EDP-DP-10
Diaphragm Pump Priming

EDP-DP-10

Technical specs
Suction Connection 250 mm / 10 inch Delivery Connection 250 mm / 10 inch Solid Handling 75 mm / 3 inch Max. Head / Max. Flow 55 mtr / 850 m3/hr Engine Bell Housing SAE3 / SAE1 Engine Fly Wheel 10 inch / 14 inch Max. Impeller Diameter 295 mm Priming 60 - 120 CFM / 800 RPM Best Efficiency Point Head and Flow 30 mtr / 620 m3/hr
EDP-DP-8
Diaphragm Pump Priming

EDP-DP-8

Technical specs
Suction Connection 200 mm / 8 inch Delivery Connection 200 mm / 8 inch Solid Handling 75 mm / 3 inch Max. Head / Max. Flow 55 mtr / 800 m3/hr Engine Bell Housing SAE3 / SAE1 Engine Fly Wheel 10 inch / 14 inch Shaft Diameter 70 mm Max. Impeller Diameter 295 mm Priming 60 CFM / 800 RPM Best Efficiency Point Head and Flow 38 mtr / 550 m3/hr
EDP-DP-6
Diaphragm Pump Priming

EDP-DP-6

Technical specs
Suction Connection 150 mm / 6 inch Delivery Connection 150 mm / 6 inch Solid Handling 75 mm / 3 inch Max. Head / Max. Flow 48 mtr / 500 m3/hr Engine Bell Housing SAE3 / SAE1 Engine Fly Wheel 10 inch / 14 inch Shaft Diameter 70 mm Max. Impeller Diameter 356 mm Priming 60 CFM / 800 RPM Best Efficiency Point Head and Flow 34 mtr / 375 m3/hr
EDP-DP-4
Diaphragm Pump Priming

EDP-DP-4

Technical specs
Suction Connection 150 mm / 6 inch Delivery Connection 100 mm / 4 inch Solid Handling 75 mm / 3 inch Max. Head / Max. Flow 52 mtr / 250 m3/hr Engine Bell Housing SAE3 / SAE1 Engine Fly Wheel 10 inch / 14 inch Shaft Diameter 50 mm Max. Impeller Diameter 275 mm Priming 60 CFM / 800 RPM Best Efficiency Point Head and Flow 40 mtr / 165 m3/hr
EDP-DP-250 x 200 - 400 H
Diaphragm Pump Priming

EDP-DP-250 x 200 - 400 H

All Wet Ends: SG 500/7 Impeller: SS316L Shaft: SS-431 Diaphragm Pump Single: 50 CFM For Electrical Driven: Galvanized Frame

Technical specs
SS316L: All Wet Ends Duplex Steel: All Wet Ends Nickel-Aluminum-Bronze: All Wet Ends for Sea Water Application Skid: Road Trailer, Site Trailer, Closed Enclosure
EDP-DP-250 x 200 - 315 H
Diaphragm Pump Priming

EDP-DP-250 x 200 - 315 H

All Wet Ends: SG 500/7 Impeller: SS316L Shaft: SS-431 Diaphragm Pump Single: 50 CFM For Electrical Driven: Galvanized Frame

Technical specs
SS316L: All Wet Ends Duplex Steel: All Wet Ends Nickel-Aluminum-Bronze: All Wet Ends for Sea Water Application Skid: Road Trailer, Site Trailer, Closed Enclosure
EDP-DP-200 x 150 - 315 H
Diaphragm Pump Priming

EDP-DP-200 x 150 - 315 H

All Wet Ends: SG 500/7 Impeller: SS316L Shaft: SS-431 Diaphragm Pump Single: 50 CFM For Electrical Driven: Galvanized Frame

Technical specs
SS316L: All Wet Ends Duplex Steel: All Wet Ends Nickel-Aluminum-Bronze: All Wet Ends for Sea Water Application Skid: Road Trailer, Site Trailer, Closed Enclosure
EDP-DP-200 x 150 - 400 H
Diaphragm Pump Priming

EDP-DP-200 x 150 - 400 H

All Wet Ends: SG 500/7 Impeller: SS316L Shaft: SS-431 Diaphragm Pump Single: 50 CFM For Electrical Driven: Galvanized Frame

Technical specs
SS316L: All Wet Ends Duplex Steel: All Wet Ends Nickel-Aluminum-Bronze: All Wet Ends for Sea Water Application Skid: Road Trailer, Site Trailer, Closed Enclosure
EDP-DP-150 x 125 - 400 H
Diaphragm Pump Priming

EDP-DP-150 x 125 - 400 H

All Wet Ends: SG 500/7 Impeller: SS316L Shaft: SS-431 Diaphragm Pump Single: 50 CFM For Electrical Driven: Galvanized Frame

Technical specs
SS316L: All Wet Ends Duplex Steel: All Wet Ends Nickel-Aluminum-Bronze: All Wet Ends for Sea Water Application Skid: Road Trailer, Site Trailer, Closed Enclosure
EDP-DP-125 x 100 - 400 H
Diaphragm Pump Priming

EDP-DP-125 x 100 - 400 H

All Wet Ends: SG 500/7 Impeller: SS316L Shaft: SS-431 Diaphragm Pump Single: 50 CFM For Electrical Driven: Galvanized Frame

Technical specs
SS316L: All Wet Ends Duplex Steel: All Wet Ends Nickel-Aluminum-Bronze: All Wet Ends for Sea Water Application Skid: Road Trailer, Site Trailer, Closed Enclosure
Technical & Application Overview

About Diaphragm Pump Priming

Diaphragm Pump Priming for Difficult Pumping Conditions

Diaphragm priming is useful when a surface-mounted centrifugal pump needs assistance in establishing suction. By creating the required vacuum in the suction system, the priming arrangement helps prepare the pump for operation.

This makes diaphragm pump priming particularly useful at sites where suction conditions vary or where the pump needs to handle liquids containing suspended solids.

Our Diaphragm Pump Priming Range

PATNI PUMPS currently lists several diaphragm pump priming configurations, including EDP-DP-4, EDP-DP-6, EDP-DP-8, EDP-DP-10, EDP-DP-12, EDP-DP-16 and EDP-DP-20. The range also includes larger configurations with different material and installation options.

EDP-DP-4

The EDP-DP-4 has a 6-inch suction connection and 4-inch delivery connection. It is listed with up to 52 m head, 250 m³/hr flow and 75 mm solid-handling capacity, making it suitable for applications requiring a relatively compact pumping arrangement.

EDP-DP-6

The EDP-DP-6 provides 6-inch suction and delivery connections and is listed with up to 48 m head, 500 m³/hr flow and 75 mm solid handling.

EDP-DP-8

The EDP-DP-8 has 8-inch suction and delivery connections with a listed capacity of up to 800 m³/hr flow and 55 m head. It can handle solids up to 75 mm.

EDP-DP-10

The EDP-DP-10 features 10-inch suction and delivery connections and is listed for up to 850 m³/hr flow, 55 m head and 75 mm solid handling.

EDP-DP-12

The EDP-DP-12 has 12-inch suction and delivery connections and is listed with up to 1,400 m³/hr flow and 62 m head, with solid handling up to 100 mm.

EDP-DP-16

The EDP-DP-16 is designed for larger pumping requirements, with 18-inch suction and 16-inch delivery connections. The listed maximum flow is 2,200 m³/hr, with up to 44 m head and 125 mm solid handling.

EDP-DP-20

The EDP-DP-20 is the largest standard model shown on the page, with 24-inch suction and 20-inch delivery connections. It is listed for up to 3,500 m³/hr flow, 60 m head and 100 mm solid handling.

Larger Diaphragm Priming Configurations

The range also includes larger EDP-DP configurations such as 250 × 200, 200 × 150, 150 × 125 and 125 × 100 arrangements.

Depending on the configuration, the page lists options such as SG 500/7 wet ends, SS316L impellers, SS-431 shafts, duplex-steel wet ends and nickel-aluminium-bronze wet ends for seawater applications. Road trailers, site trailers and closed enclosures are also listed as available options.

Where Are Diaphragm Priming Pumps Used?

Diaphragm pump priming systems can be considered for applications where surface-mounted pumps need dependable suction establishment, including:

  • Construction dewatering
  • Mining and quarrying
  • Tunnel dewatering
  • Sewage and wastewater pumping
  • Industrial drainage
  • Slurry handling
  • Flood-water removal
  • Municipal drainage
  • Large excavation projects
  • Emergency pumping applications

The right configuration depends on the liquid, solids content, required flow, head and site conditions.

Why Use Diaphragm Pump Priming?

A diaphragm priming system can make surface-mounted pumping easier to start, particularly when air in the suction line could otherwise delay pumping.

Key advantages include:

  • Helps establish suction
  • Suitable for surface-mounted pumps
  • Useful for solids-containing liquids
  • Available in different pump sizes
  • Suitable for large-volume dewatering
  • Multiple material options for demanding applications
  • Trailer and enclosure configurations available

Choosing the Right Diaphragm Priming Pump

Pump selection should be based on the complete application rather than connection size alone.

Important factors include:

  • Required flow rate
  • Total head
  • Suction lift
  • Suction and delivery pipe size
  • Solid size
  • Type of liquid
  • Material compatibility
  • Site conditions
  • Required mobility or enclosure

The current range covers substantially different capacities, from smaller EDP-DP models to systems capable of up to 3,500 m³/hr.

Why Choose PATNI PUMPS?

PATNI PUMPS LLP works as the marketing partner of Sovereign Pumps and brings more than 50 years of experience in pumps and motors to its pumping solutions. Its product range covers dewatering, sewage, slurry, non-clog and diesel-driven pumping requirements.

For a diaphragm priming system, correct selection is important because pump performance depends on flow, head, suction conditions, liquid characteristics and solids content.

Need a Diaphragm Pump Priming Solution?

Whether you need a system for construction dewatering, sewage, slurry or large-scale drainage, share your flow, head, suction and application details with PATNI PUMPS to identify a suitable diaphragm pump priming configuration. Diaphragm Pump Priming for Difficult Pumping Conditions

Diaphragm priming is useful when a surface-mounted centrifugal pump needs assistance in establishing suction. By creating the required vacuum in the suction system, the priming arrangement helps prepare the pump for operation.

This makes diaphragm pump priming particularly useful at sites where suction conditions vary or where the pump needs to handle liquids containing suspended solids.

FAQ

Frequently Asked Questions

Diaphragm pump priming is a method used to remove air from the suction system and help a surface-mounted pump establish suction before normal pumping begins.
They can be used for construction dewatering, mining, sewage, slurry, industrial drainage, excavation, flood-water removal and other applications where surface-mounted pumping is required.
The current range includes EDP-DP-4, EDP-DP-6, EDP-DP-8, EDP-DP-10, EDP-DP-12, EDP-DP-16 and EDP-DP-20, along with larger configurations.
The listed EDP-DP range goes up to 3,500 m³/hr, depending on the model. The EDP-DP-20 is listed with the highest maximum flow on the page.
Yes. The solid-handling capacity varies by model. The listed range includes models capable of handling solids from 75 mm up to 125 mm, depending on the configuration.
Selection depends on flow rate, head, suction lift, pipe size, solids content, liquid characteristics and installation conditions. Sharing these details helps identify the appropriate pump and priming configuration.
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