The Mosmatic 58.051 DYF Swivel is a high-performance rotary union designed for high-pressure cleaning systems and self-rotating applications. Featuring a 1/4" NPTF inlet and 1/4" NPTM outlet, this swivel allows smooth 360° rotation to prevent hose twisting and extend equipment lifespan.

Constructed from nickel-plated brass, it includes a carbide seal system, maintenance-free bearing assembly, and weep hole design for early seal failure detection. With a pressure rating of 4000 psi, it’s ideal for professional cleaning, surface washing, and industrial spray systems.

Applications

• Surface cleaners

• Car and truck wash booms

• Self-rotating nozzles

• Industrial fluid rotation

• Tire and underbody cleaners

Features

• Maintenance-free swivel body

• Flange mount for secure installation

• Carbide seal system for durability

• Pressure rated to 4000 psi

• Visual seal failure indicator via weep holes

• Brass body with nickel plating for corrosion protection

Specs

Product Type: High-pressure swivel – DYF
Part Number: 58.051
Pressure: 4000 psi
Temperature: 250°F
RPM: max. 2,000 rpm
Material Type (Body): Brass, nickel plated
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): 1/4" NPTM
Nominal Width (NW): 1/4"
Wrench Size 1 (SW1): 0.87"
Wrench Size 2 (SW2): 0.67"
Diameter (D): 2.36"
Length 1 (L1): 1.45"
Length 2 (L2): 0.43"
Weight: 10.4 oz