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Article: Installing Check Valves in Submersible Pumps.(Brief Article)
- Article from:
- National Driller
- Article date:
- May 1, 2001
- Author:
CopyrightCOPYRIGHT 2001 BNP Media. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Check valves permit water flow in one direction only and generally are recommended for all submersible pump installations. Their purpose is to prevent the water in the column above the pump and in the pressure tank from draining back into the well when the pump shuts off. Some submersible pumps have built-in check valves and are suitable for operation without an external check valve, provided the pump setting is not too deep. Consult your pump manufacturer concerning proper application and installation.
Spring loaded, stem or cage poppet style check valves should be used with submersible pumps. They are designed to close quickly as the water flow stops and begins ...