Check Valves, SPEARS Clear & White Flapper Type

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Valves, Fittings, Accessories

Introduction

Swing check valves are designed for horizontal installations, but may be installed in an up-flow only vertical position. Check valves MUST be installed with the valve's 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.

Options & Benefits

Pressure Rating @ 73°F (23°C), Water
• 1/2" - 4" Full Flow (open)     150 psi
• Back Pressure (closed)          75 psi
• 6" - 8" Full Flow (open)         100 psi
• Back Pressure (closed)           50 psi

Maximum Service Temperature
• 140°F (60°C)

Temperature/Pressure De-ratings Apply
• EPDM Seat

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