Pressure reducing valve for door-to-door water supply

What is the useful life (the number of years recommended for replacement)?

The service life of pressure reducing valves for door-to-door water supply is 8 years, subject to periodic inspection and maintenance, and replacement of consumable parts such as diaphragms and discs, but this may vary depending on usage conditions.
(This is a guideline and may be shorter depending on water quality and frequency of use.)

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RD44N－F □

Contains characters that indicate pressure classification and options.

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