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AIPOut of stockThe Welker AIP probe is designed to be used with a pipeline isolation valve so that the unit can be safely inserted and
retracted without interrupting the flow or operation of the pressurized pipeline. Learn More > -
Pitot ProbeOut of stockThe 2-in-1 design of the Welker Pitot Probe creates the pressure drop for you in the convenience of one tap. Learn More > -
SP Sample ProbeSpot sampling or composite sampling. Liquid or gas. The Welker SP Sample Probe can do it all. Learn More >
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