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The FIRE PROTECTION 08-539 brass unions with orifice are designed for pressure sensing. They feature either a 1/2 IN or 3/32 IN orifice, providing adequate pressure drop into the sensing line and preventing unnecessary pump starts due to pressure fluctuations. These unions are suitable for clear water applications where sediment will not block the hole.
Designed for pressure sensing, the FIRE PROTECTION union features a brass construction and is fitted with a 1/2 IN IPS connection.
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