Fair
32 °C
Germantown, Maryland
Fair

Sun Aug 18 2019
none

SELF-PRIMERS WORK LIKE A DREAM WITH SEAWATER

19-10-2017
by 
in 

When Daydream Island Resort & Spa needed to specify a pump installation to supply filtered seawater to the Living Reef on the North Side of the resort the requirement was for a flow rate of 180m3/h, to be delivered by two pumps in a dual pump arrangement.

The use of submersible pumps would have required the construction of a “wet well” with lifting apparatus, and standard centrifugal pumps would have entailed the construction of a dry well.

After due consideration, self-priming pumps were chosen, because they could be installed relatively inexpensively compared with the other options. However, because of the tropical temperature of the seawater to be pumped, the materials of construction of the pumps needed to be corrosion resistant.

Gorman-Rupp self-priming centrifugal pumps are available made from CD4MCu, a duplex stainless steel that is not only more corrosion resistant than 316 “marine-grade” stainless steel, but is quite a bit harder, making it suitable for pumping sand should it get into the system.

Being self-priming, and more importantly a “guaranteed” re-priming pump, the pump assembly was able to be mounted high above the seawater, with only a simple concrete slab, keeping the installation simple.

A pair of 100mm pumps were used for this application, but the range includes pumps from 50 to 250mm and in materials of construction to suit a wide range of applications. Even the 100mm pump will pass a large solid (up to 75mm diameter), and has a large inspection cover-plate for operators to gain access to the pump internals for maintenance.

Hydro Innovations
02 9898 1800
www.hydroinnovations.com.au

Related news & editorials

  1. 16.08.2019
    16.08.2019
    by      In
    Global technology and engineering company Emerson has expanded its AMS Device Manager with HART-IP support, making it easier to connect with devices and control systems and potentially eliminating hundreds of thousands of dollars in project hardware and engineering. AMS Device Manager is used by... Read More
  2. 16.08.2019
    16.08.2019
    by      In
    Hirschmann’s revamped BAT-C2 industrial wireless client, available in Australia from Control Logic, improves on its earlier BAT-C with a range of new hardware and software features including 802.11ac support. It is a perfect replacement for physical cabling in areas where installation of cables is... Read More
  3. 16.08.2019
    16.08.2019
    by      In
    The FPI Mag meter from McCrometer is ideal for capital or maintenance projects, retrofits and sites never metered before. Its unique combination of accuracy, ease of installation and total cost savings make it the perfect choice for a wide range of municipal and industrial applications.
    This meter... Read More
  4. 15.08.2019
    15.08.2019
    by      In
    Insufficient grip resulting in slipping parts, pushback in chuck jaws and collets wearing out prematurely are issues well known to CNC turning machine tool operators. The resultant downtime and expense of new or reworked jaws are significant problems.
    Well-known workholding solutions provider Dimac... Read More