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Portable Hydrant Meter Backflow Preventers

Series 4000BLT Portable Hydrant Meter Backflow Preventers prevent the reverse flow of polluted from entering into the potable water supply where flow is in one direction and the possibility of cross-connections exists, such as at a fire hydrant or other non-permanent installation. It consists of stainless steel body construction with stainless steel internal parts. Its portable, lightweight design provides long-term service with minimal maintenance. Series 4000BLT is ideal for use on existing hydrant meter hookups. Factory assembled and tested. Various inlet and outlet sizes available.


  • Variety of end connection accessories available
  • Rated for large flow capacity at over 500 gpm with less than 14 psi loss
  • Corrosion-resistant stainless steel body for long field life and dependability
  • Built-in support leg is adjustable in the field

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific 4000BLT

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: