Mosmatic Dyfi Swivel Joint Model 58.157 – Dual-Port Rotary Union Featuring 3/8″ NPTF Inlet and 1/4″ NPTF Outlet

Description

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 – DYFI
Part Number: 58.157
Pressure: 4000 psi
Temperature: 250°F
RPM: max. 2,000 rpm
Material Type: Stainless steel
Inner Part: Stainless steel
Seal: Carbide
Throughput / Medium: pH 3–12 / filtered 10 microns / compressed air (290 psi)
Thread In (G1): 3/8″ NPTF
Thread Out (G2): 1/4″ NPTF
Nominal 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

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