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How does an air operated double diaphragm pump work?

An air operated diaphragm pump (also known as a membrane pump) is a type of positive displacement pump that uses compressed air as a power source. The compressed air is shifted from one chamber to the other by a linked shaft that allows the chambers to move simultaneously. This back-and-forth motion, forces liquid out of one chamber and into the outlet manifold, while filling the opposite fluid chamber via the inlet manifold. Upon changeover, the fluid section that was filled on the previous shift empties into the outlet manifold and the fills the opposite chamber via the inlet manifold. The rapid changeover allows for reduced pulsation at the outlet.

WETTED COMPONENT OPTIONS

  • Acetal
  • Kynar
  • Polypropylene

CENTER SECTION

  • Polypropylene
  • Santoprene
  • PTFE

DIAPHRAGM OPTIONS

  • Supply pump for OEM applications
  • Printing ink supply
  • Chemical supply for wastewater and sanitary applications
  • Plating/surface finishing
  • Chemical dosing
  • Car wash chemicals
  • Laundry chemicals and detergents (hotel/resorts)

Features

vortex-pump-design
  • Capacities to 2600 GPM
  • Heads to 440 TDH (190 PSI)
  • Temperatures to 500* F
  • Pressures to 285 PSIG
  • Capable of Handling Solids up to 6”

Pump Reliability

  • Casing and Impeller Materials:
    -Cast Iron
    -Hardened Ductile Iron
    -CD4MCu or Alloy 20
  • Concentric Vortex Casing for Non-Clog Minimum Wear
  • Recessed Impeller for Minimum Solids Degradation
  • Designed to pump liquids containing up to 30% entrained air

Ease of Maintenance

  • Back Pull out configuration
    * – Top Pull Out Design Available
  • NEMA or IECD Flange Motors
  • Parts Interchangeability
  • External Impeller Adjustments
  • Easy Retrofit

Services

  • Filter slurries
  • Latex
  • Polystyrene beads
  • Crystal suspensions
  • Screen rejects
  • Hydropulper pump
  • Sodium chlorate slurry
  • Fruit and vegetable suspensions
  • Dye liquor
  • Fibrous wastewater
  • Long fiber white water
  • Primary cleaner pump

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Pumps Designed to Handle Solids

vortex-pump

CAUTION:
NOT ALL PUMPS ARE DESIGNED TO HANDLE BULKY/FIBROUS OR SHEAR SENSITIVE SOLIDS

When handling certain bulky, fibrous solids, clogging can occur. Standard end suction pumps have close clearances between the impeller and casing to maintain efficiency and performance. High velocities in the casing will cause increased wear, and can degrade or shear pumpage.

TROUBLE-FREE OPERATION AT LOW FLOWS

Recessed impeller pumps are reliable when operating at low flows. Gusher’s Vortex Non-Clog Pumps use a concentric casing reducing radial loads up to 85%. Bearing, seal and overall pump life are optimized.

NON-CLOG PUMPING WITH MINIMUM SOLIDS DEGRADATION

With the induced flow of Non-Clog Vortex impeller being recessed from the casing, velocities are low. Contact by solids with the impeller is reduced. Wear rate, solids degradation and shearing of liquid are greatly minimized. The Vortex Non-Clog casing design is able to handle solids in liquid suspension. Any substance that can exit the discharge will pass through the pump without clogging.

Vortex Horizontal

General Design Features

ABOUT THE PUMP

Gusher’s Vortex Non-Clog Impeller is designed to handle large diameter solids and fibrous material without clogging.

The Vortex Non-Clog Pumps will handle solids up to the same diameter as the discharge. There is reduced radial loading for trouble free operation. Even with low fluids, the Vortex Non-Clog design allows throttling to a low performance range unacceptable to many centrifugal pumps.

vortex-part-list

The complete Vortex Non-Clog line has been designed to pump various liquids and oils containing up to 30% entrained air. They will operate 23% below its first critical speed at any point of operation. The Vortex Non-Clog Pump shaft is designed to have a maximum total indicated run-out not to exceed .008 inches.

PUMP PARTS

1. – Shaft
2. – Bearing Retainer
3. – Locknut
4. – Thrust Bearing
5. – Cartridge
6. – Oil Seal
7. – Bearing Housing
8. – BRG / Grease Retainer
9. – Radial Bearing
10. – Oil Seal
11. – Stem
12. – Slinger
13. – Bushing
14. – Stem Plate
15. – Gasket
16. – Impeller
17. – Volute

Product Specifications

vortex-horizontal-dimensions
ModelIntakeDischargeDimensions
ABCD
PV2x2-8SEH222.754.386.56
PV2x2-10SEH223.55.258.58.25
PV3x3-10SEH334.255.259.08.25
PV2x3-13SEH324.136.7510.510.0
PV3x4-13SEH434.136.7510.510.0
PV4x6-13SEH644.756.7511.510.5

Base Plate Dimensions Vary With Motor

7550 52HD

General Design Features

ABOUT THE PUMP

Gusher’s Vortex Non-Clog Impeller is designed to handle large diameter solids and fibrous material without clogging.

The Vortex Non-Clog Pumps will handle solids up to the same diameter as the discharge. There is reduced radial loading for trouble free operation. Even with low fluids, the Vortex Non-Clog design allows throttling to a low performance range unacceptable to many centrifugal pumps.

vortex-part-list

The complete Vortex Non-Clog line has been designed to pump various liquids and oils containing up to 30% entrained air. They will operate 23% below its first critical speed at any point of operation. The Vortex Non-Clog Pump shaft is designed to have a maximum total indicated run-out not to exceed .008 inches.

PUMP PARTS

1. – Shaft
2. – Bearing Retainer
3. – Locknut
4. – Thrust Bearing
5. – Cartridge
6. – Oil Seal
7. – Bearing Housing
8. – BRG / Grease Retainer
9. – Radial Bearing
10. – Oil Seal
11. – Stem
12. – Slinger
13. – Bushing
14. – Stem Plate
15. – Gasket
16. – Impeller
17. – Volute

Product Specifications

7550-52hd-vortex-dimensions
ModelDischargeIntakeDimensions
ABDEFJJARTU
V2x2-822720.908.518.42.75182468.512.75
V2x2-10229.75261318.13.52436610.515
V3x3-10339.6328.431518.84.252436610.517.06
V2x3-13238.2526.811518.84.132436610.517.38
V3x4-1334929.751518.84.132436610.519
V4x6-13469.533.381519.74.752436610.521.63

All Gusher Curves are available on Gusher Select CD. Gusher’s Paper Curves are available upon request.