ISO fittings,ISO reducer crosses is made from stainless steel and the fittings size rangs is from ISO63 to ISO160.
Working Pressure:Vacuum~atmosphere pressure.



Understanding ISO-K vs ISO-F Vacuum Flanges
How KF Flanges Achieve Vacuum Sealing
KF Fittings: Elbows, Tees, Crosses Explained
Eco‑Friendly KF Seals: Viton vs Silicone
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