Mosmatic Dyfi Swivel Joint Model 58.059 – Dual-Port Rotary Union Featuring 1/4″ NPTF Inlet and 3/8″ NPTF Outlet

Description

The Mosmatic 58.059 DYFI Swivel is a stainless steel, high-pressure rotary swivel with 1/4″ NPTF inlet and 3/8″ NPTF outlet, making it ideal for systems requiring corrosion resistance, durability, and a step-up connection between components.

Rated for up to 4000 psi, this swivel includes a carbide seal, stainless internals, and a sealed, maintenance-free bearing system. Weep holes provide early seal failure warning, making it a dependable solution for harsh or sanitary environments.

Applications

• Sanitary or marine washdown systems

• Chemical spray equipment

• Food-grade or corrosive environments

• Industrial and pressure cleaning tools

Features

• Stainless steel swivel with NPTF F x F connection

• Carbide seal with weep hole indicator

• Maintenance-free design

• 360° smooth rotation

• Step-up threaded design (1/4″ to 3/8″)

Specs

Product Type: High-pressure swivel – DYFI
Part Number: 58.059
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): 1/4″ NPTF
Thread Out (G2): 3/8″ NPTF
Nominal Width (NW): 1/4″
Wrench Size 1 (SW1): 0.87″
Wrench Size 2 (SW2): 0.87″
Diameter (D): 2.36″
Length (L1): 1.76″
Weight: 11.0 oz

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