Mosmatic Swivel – 58.157 – 3/8" NPTF x 1/4" NPTF – DYFI – Stainless Steel – 4000 psi – 11.0 oz

The Mosmatic 58.157 DYFI Swivel is a stainless steel female-to-female rotary union built for high-pressure cleaning systems in harsh, corrosive, or hygienic environments. It features a 3/8" NPTF inlet and 1/4" NPTF outlet, offering a step-down connection with 360° rotation. Rated for 4000 psi, this swivel includes a carbide seal, sealed ball bearings, and weep holes for early seal failure warning. It is ideal for professional-grade or industrial installations. Applications Food-safe and sanitary cleaning systems Chemical or marine washdowns Step-down hose transitions in high-pressure equipment Rotating nozzle assemblies and tool connections Features Stainless steel body and core Female x Female swivel: 3/8" to 1/4" NPTF Maintenance-free design with weep hole alerts 360° rotation Pressure rated to 4000 psi Specs Product Type: High-pressure swivel – DYFIPart Number: 58.157Pressure: 4000 psiTemperature: 250°FRPM: max. 2,000 rpmMaterial Type: Stainless steelInner Part: Stainless steelSeal: CarbideThroughput / Medium: pH 3–12 / filtered 10 microns / compressed air (290 psi)Thread In (G1): 3/8" NPTFThread Out (G2): 1/4" NPTFNominal Width (NW): 1/4"Wrench Size 1 (SW1): 0.87"Wrench Size 2 (SW2): 0.75"Diameter (D): 2.36"Length (L1): 1.65"Weight: 11.0 oz