Series 421

Spare headworks for reverse flow for convertible radiator valves with pre-setting 421, 422, 425 and 426 series.

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Product Description

Spare headworks for reverse flow for convertible radiator valves with pre-setting 421, 422, 425 and 426 series.
Only for 3/8” and 1/2” sizes.
PATENT PENDING

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Spare headworks for reverse flow for convertible radiator valves with pre-setting 421, 422, 425 and 426 series. Only for 3/8” and 1/2” sizes.

Applications

Pipe Sizer Caleffi
Pipe Sizer Caleffi

This application allows for sizing and making calculations for pipes and conduits carrying water or air, respectively for hydraulic or aeraulic plants.