Hand Diaphragm Primer

ITEM#
IP DP5-config

The hand diaphragm primer is used for primed a centrifugal pump.Contains a rubber diaphragm working in an aluminum chamber. A levered handle is attached to it.

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Available online
As low as CAD$353.87
Product No. Primer Pipe size Weight
IP DP5 Choose this option DP5 2''
3''
4''
12.50 lb Choose this option
IP DP7 Choose this option DP7 4''
5''
6''
21.06 lb Choose this option

The hand diaphragm primer is used for primed a centrifugal pump. Contains a rubber diaphragm working in an aluminum chamber. A levered handle attached to it by a connecting rod actuates the diaphragm. Air is drawn into the chamber through a suction valve on the up-stroke and discharged through a discharge valve on the down-stroke. The primer body is made of a light weight aluminum alloy. The diaphragm is of molded rubber, and it is extremely tough and longwearing. A rubber air discharge valve, built into the diaphragm, provides a positive seal.

Compatible products : Centrifugal Pump

 

Features

  • The body is made of a lightweight aluminum alloy.
  • It can be easily mounted on most centrifugal pumps.
  • It contains a tough and durable rubber diaphragm.
  • All DP units come equipped with a drain valve. 

 

Installation & Operation

  1. Attach the mounting bracket to the centrifugal pump or skid.

  2. Connect the primer suction inlet to the priming port on the centrifugal pump with a non-collaPSIble hose or flexible tubing. Be sure all connections are airtight.

  3. If the primer is connected to a pump discharge, a cutoff valve should be installed in the priming line. This valve should be closed immediately after priming to prevent the pump from discharging through the primer.

  4. If the primer is connected to the pump suction, a cutoff valve is recommended.

  5. A cutoff valve may be used on the pump discharge to prevent air from being drawn into the pump from the discharge line while priming.

  6. All primers are equipped with a drain cock installed in the suction chamber for draining excess water after each use. The drain cock must always be closed when the primer is in use. 

Troubleshooting

If you cannot get the primer to prime, try one of the following :

  1. Make sure the drain cock is closed. The drain cock should only be opened after priming to drain any liquids in the primer body.

  2. Make sure there is no debris left inside where the check valve is. Any debris can cause clogging.

  3. Inspect the diaphragm for any tears or cracks.

  4. Check the line for any blockage or loops. The line must be straight and not twisted in any way.

  5. Check any strainers for blockage.

  6. Check all sections of the suction for air leaks.
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