Check Valve Accessory – SA-40 External Lever & Compression Spring

The SA-40 External Lever & Compression Spring is part of Bray’s Rite Series check valve accessories, engineered to increase the valve’s closing speed by adding mechanical force during flow reversal. This unit is particularly effective in applications where sudden or rapid reversal of media flow demands faster-than-standard closure to prevent backflow and potential damage to downstream equipment.

Featuring a durable enclosed compression spring mounted externally to the valve’s lever mechanism, the SA-40 generates anticipatory force that aids in the rapid closure of the disc assembly. This ensures minimal delay in shut-off, reducing the risk of hydraulic shock or water hammer. The SA-40 is ideal for aggressive flow environments such as pump discharge lines, condensate systems, and high-cycle industrial processes.

Specifications:

– Model: SA-40
– Function: Accelerated valve closure via external compression spring
– Spring Type: Enclosed helical compression spring
– Application: Fast media flow reversal systems
– Mounting: External lever-mounted design for Rite Series valves
– Material: Corrosion-resistant metal spring and housing
– Action: Applies closing force against disc for quick shutoff
– Compatibility: Works in conjunction with other accessories like SA-50 speed control
– Flow Media: Suitable for liquids, gases, and process fluids
– Operating Conditions: Ideal for fluctuating pressure and frequent cycling systems

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