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Internal Check Fittings – IC10 & IC11

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IC10 & IC11

The Internal Check Fittings (IC10 & IC11 Style) are high-performance inline fluid control components engineered to regulate flow direction and prevent backflow in industrial processes. They feature a compact, space-saving internal structure consisting of a precision-ground K-Monel® ball check, a heavy-duty Inconel® X-750 spring, and an integrated soft seat for bubble-tight sealing.
INTERNAL CHECK FITTINGS: IC10 & IC11
Thread Size MOC Part No Surface Treatment Heat Treatment Ball Spring OAL
1/2″ 316 SS ICIN8-SS – – – Annealed (NACE) K-Monel® Inconel® X-750 15/16″
4140 / EN19 ICION4-C Zinc Rc 22 Max (NACE)
3/8″ 316 SS ICION3-SS – – – Annealed (NACE) K-Monel® Inconel® X-750 7/8″
4140 / EN19 ICION3-C Zinc Rc 22 Max (NACE)
1/4″ 316 SS ICION2-SS – – – Annealed (NACE) K-Monel® Inconel® X-750 3/4″
4140 / EN19 ICION2-C Zinc Rc 22 Max (NACE)