Mosmatic DY-G Series Rotary Union Model 57.153 — Dual-Port Swivel Fitting Featuring G1 (3/8″ NPTF) and G2 (3/8″ NPTM) Threaded Connections

Description

The Mosmatic DYG Swivel 57.153 is a high-performance, maintenance-free swivel designed for high-pressure, self-rotating applications. Crafted from brass with a corrosion-resistant nickel-plated finish, this swivel offers long-term durability and precision in industrial cleaning environments. Featuring a triple bearing system—two radial ball bearings and one thrust bearing—along with a rugged carbide seal system, it ensures smooth rotation and excellent sealing under demanding conditions. Its bulkhead fitting allows for secure and stable mounting.

Applications

• Surface cleaners

• Parts washers

• Tire and wheel cleaning systems

• High-pressure rotating equipment

• Industrial and commercial cleaning solutions

Key Features

• Brass construction with nickel-plated corrosion-resistant finish

• Triple bearing system: 2x radial, 1x thrust ball bearing

• Carbide seal system for superior sealing performance

• Maintenance-free design for long-term reliability

• Bulkhead fitting for secure and stable mounting

• Thread IN: 3/8″ NPTF | Thread OUT: 3/8″ NPTM

• Max Pressure: 4000 PSI

• Max RPM: 2000

• Max Temperature: 250°F

• Overall Diameter: 1.34″ | Length: 3.14″

• Nominal Width (NW): 1/4″ | Wrench Size (SW): 0.87″

Specs 

Pressure: 4000 psi

Temperature: 250°

RPM: max 2,000 rpm

Material Type:

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 3/8″ NPTM

Nominal Width (NW): 1/4″

Wrench Size 1 (SW1): 0.87″

Wrench Size 2 (SW2): 0.75″

Wrench Size 3 (SW3): 1.34″

 Diameter (D) (overall diameter): 1.34″

Length 1 (L1) (overall length) : 3.14

Length 2 (L2): 0.47

Weight: 8.5 oz

 

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