

Durable carbide check‑valve ball (Part #116166) from Graco — ensures reliable one‑way fluid flow and prevents back‑pressure or leakage in pump/valve assemblies.
The Graco 116166 Carbide Ball Check Valve — listed as “BALL, CARBIDE” by Graco — is a genuine OEM check-valve ball used in valve assemblies for fluid/pump systems. The carbide construction ensures high wear resistance and reliable one-way flow control, preventing reverse flow or back-pressure that can damage pump or fluid circuits.