Mosmatic DKS Swivel Coupling - 70.052 - G1 M21X1.5F to G2 1/4"NPTF

The Mosmatic DKS Swivel Coupling 70.052 is a high-quality, heavy-duty swivel coupling designed for high-pressure cleaning, hose connections, and quick coupling systems. Built from nickel-plated brass, this durable swivel delivers exceptional corrosion resistance and long-lasting performance in tough industrial and commercial environments.

Engineered with a single thrust ball bearing and a ceramic seal system, the 70.052 model ensures smooth rotation and dependable sealing under pressure. A built-in flange allows for secure, straightforward installation, and integrated weep holes serve as early seal failure indicators to minimize downtime and prevent damage.

Featuring a Quick Connect Thread In of M21x1.5 F and a Thread Out of ¼” NPTF, this swivel is optimized for high-pressure systems operating up to 3600 PSI and temperatures up to 250°F. It supports a wide range of media with a pH range of 3–12 and 10-micron filtered compressed air up to 290 PSI.

Applications

• High-pressure cleaning equipment

• Industrial hose and coupling systems

• Pressure washer accessories

• Rotary surface cleaners and nozzles

• Car wash systems

• Pneumatic tool connections

Features

• Rugged nickel-plated brass construction

• Ceramic seal system for enhanced durability

• Smooth operation via single thrust ball bearing

• Flanged design for easy and secure installation

• Weep holes for early seal failure detection

• Thread In: M21x1.5 F | Thread Out: ¼” NPTF

• Nominal Width (NW): ¼”

• Max Pressure: 3600 PSI

• Max Temperature: 250°F

• Max RPM: 30

• Dimensions: 1.34” diameter | 1.96” overall length

• Compatible with pH 3–12 media and 10-micron filtered air (290 PSI)

Pressure: 3600 psi

Temperature: 250°

RPM: max 30 rpm

Material Type: Brass, nickel plated

Inner Part: Stainless steel

Seal: O-ring NBR

Throughput/medium: ph 3-12, filtered 10 microns compressed air (290 psi)

Thread In: G1 M21X1.5F

Thread Out: G2 1/4"NPTF

Nominal Width (NW): ¼”

Wrench Size 1 (SW1): 0.75"

Diameter (D) (overall diameter): 1.34"

Length 1 (L1) (overall length) : 1.96

Length 2 (L2): 

Weight: 3.6 oz