Stemar flow through plugs have a plug design that offers larger bypass openings than Stemar Test Plugs. These bypass openings are typically* threaded male NPT which allow for the installation of a large variety of fittings in order to adapt your flow through plug to virtually any pipe plug requirement.

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Common applications include bypass pumping, blocking and releasing flow, and pressure testing**

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*Custom flow through plugs can be made to order with virtually any bend, fitting, or material type. Request a quote with your job specifics for more information.

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**Pressure testing with flow through plugs requires the installation of a special test cap. Request a quote for more information.