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Watson McDaniel

Watson McDaniel Relief Valve R & 10691 Series

The R-Series & the 10691-Series Back Pressure & Relief Valves relieve upstream pres sure in a variety of pro cess es. R-Series has a stainless steel disc and the 10691-Series has a soft elastomeric disc for tight shut-off. These valves automatically maintain desired max i mum pressure in a vessel or system by re liev ing excess pressure into lower pres sure re turn line or to atmosphere. Ideally suited for use as pump bypass con trol valve by maintaining constant pump dis charge pressures. Used as a continuously operating valve or for protection against intermittent overpressure conditions.

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Specs
  • Four Springs – easily interchanged to cover pressures from 1 to 300 PSIG
  • Heavy-duty bronze valve body
  • 10691 Series has EPDM Seat for tight shut-off (1/2” - 1”)

Custom Order Products

Products noted as "Custom Order" require orders be placed with a member of our team. Please contact us for pricing, availability, and shipping information.

Download: Watson-McDaniel-Relief-Valve-Rseries-10691series-BackPressueReliefValves.pdf
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A Watson McDaniel Relief Valve from the R & 10691 Series features hexagonal fittings and a cylindrical top section. Standing vertically against a plain light gray background, this brass back pressure valve showcases the precision engineering of Watson McDaniel.
Watson McDaniel

Watson McDaniel Relief Valve R & 10691 Series

SPECIAL ORDER

The R-Series & the 10691-Series Back Pressure & Relief Valves relieve upstream pres sure in a variety of pro cess es. R-Series has a stainless steel disc and the 10691-Series has a soft elastomeric disc for tight shut-off. These valves automatically maintain desired max i mum pressure in a vessel or system by re liev ing excess pressure into lower pres sure re turn line or to atmosphere. Ideally suited for use as pump bypass con trol valve by maintaining constant pump dis charge pressures. Used as a continuously operating valve or for protection against intermittent overpressure conditions.

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