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Isolation Pump Flanges for Circular Pumps

Series LFIPF-HV Lead Free* Isolation Pump Flanges are designed to isolate circulator pumps to facilitate circulator pump replacement or repairs. They feature a Lead Free* brass body and flange with bottom loaded blowout proof stem, Buna-N stem O-ring seal, virgin PTFE seats, and optional T-handle included. Pressure rated at 600psi (41.4 bar) WOG.


  • Sizes: 3⁄4 in. – 2 in. (20 – 50mm)
  • Available with threaded NPT and solder end connections
  • Adjustable packing for longer service life
  • Provides isolation for the circulator pump to facilitate replacement or repair

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific LFIPF-HV

Approval Information

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites: