Mosmatic Dyfi 58.156 Swivel Joint – Compact Rotary Union Featuring 3/8″ Male NPTF Input and 1/4″ Female NPTM Output

Description

The Mosmatic 58.156 DYFI Swivel is a corrosion-resistant stainless steel rotary swivel engineered for high-pressure systems requiring a 3/8″ NPTF inlet and 1/4″ NPTM outlet. It offers a reliable step-down connection and smooth 360° rotation with minimal maintenance, even in harsh environments.

With a pressure rating of 4000 psi, a carbide seal system, and weep hole seal failure indicators, this swivel is ideal for food-grade, chemical, and aggressive fluid applications.

Applications

• Food processing or marine cleaning systems

• Pressure washers with stainless steel specs

• Chemical wash bays

• Spray systems with size transition from 3/8″ to 1/4″

Features

• Stainless steel body and internals

• Maintenance-free, sealed construction

• Carbide seal with visual failure detection

• Step-down connection: 3/8″ NPTF to 1/4″ NPTM

• Rated up to 4000 psi

Specs

Product Type: High-pressure swivel – DYFI
Part Number: 58.156
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″ 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: 11.0 oz

Explore more from our collection.