• Pressure rating @ 73°F, water: Full flow (open) 150 psi, Back pressure (closed) 75 psi
  • Maximum service temperature: 140°F
  • Temperature/pressure de-ratings apply
  • EPDM seat

General Installation information: These valves are designed for horizontal installations, but may be installed in up-flow only vertical position. Valves MUST be installed with the FLOW arrow pointing in the direction of the flow. Do not install valve upside down. Flow velocity should not exceed 5 ft./sec. Minimum opening pressure less than 0.5 psi.

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Webb/P#

Item #

Item Name

Size

End Connections

Price

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N/A S1580-12F N/A Utility Spring Check Valve N/A 1-1/4 inches N/A Thread $38.67 Add To Cart
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N/A S1580-15 N/A Utility Spring Check Valve N/A 1-1/2 inches N/A Socket $41.14 Add To Cart
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N/A S1580-15F N/A Utility Spring Check Valve N/A 1-1/2 inches N/A Thread $41.14 Add To Cart
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N/A S1580-20 N/A Utility Spring Check Valve N/A 2 inches N/A Socket $43.10 Add To Cart
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N/A S1580-20F N/A Utility Spring Check Valve N/A 2 inches N/A Thread $43.10 Add To Cart
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N/A S1580-25 N/A Utility Spring Check Valve N/A 2-1/2 inches N/A Socket $76.48 Add To Cart
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N/A S1580-25F N/A Utility Spring Check Valve N/A 2-1/2 inches N/A Thread $76.48 Add To Cart
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N/A S1580-30 N/A Utility Spring Check Valve N/A 3 inches N/A Socket $79.78 Add To Cart
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N/A S1580-30F N/A Utility Spring Check Valve N/A 3 inches N/A Thread $79.78 Add To Cart
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N/A S1580-40 N/A Utility Spring Check Valve N/A 4 inches N/A Socket $113.23 Add To Cart
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N/A S1580-40F N/A Utility Spring Check Valve N/A 4 inches N/A Thread $113.23 Add To Cart
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