CIRCOR brand SCHROEDAHL rolls out all-in-one pump protection solution

CIRCOR International brand SCHROEDAHL has announced that new self-modulating TDL automatic recirculation valves (ARVs) are now on offer in cast material that is over 35% lighter than previous versions.

The all-in-one pump protection solutions enable pumping solutions in process, refinery, chemical and other applications to continue running smoothly, without cavitation or overheating.

Unlike control valve packages, the self-operated flow-sensitive TDL ARVs from SCHROEDAHL operate without a separate power supply or control system, and begin protection as soon as they are installed.

The ARVs combine a high-quality main line check valve with the automatic bypass control system in a durable design.

The self-actuated integrated bypass control function ensures minimum flow rate, which in turn guards pumps against overheating and cavitation. It also offers savings for operators with reduced energy consumption for frequent partial load operation.

The bypass check valve also prevents reverse pump flow and allows for parallel pump installations.

Bypass trim sizes for pumping systems range from 10 to 20-inch nominal pipe size. Available in EN/DIN and ASTM materials, the ARVs also feature a compact cast housing design for lightweight installation.

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