Mosmatic TKA-3W4 6-inch rotor arms designed for use with four 1/4-inch nozzles — model 82.781

Description

The Mosmatic TKA-3w4 High Pressure Rotor Arm 82.781 is engineered for precision and durability in demanding cleaning applications. Constructed from premium stainless steel, this rotor arm is designed for maximum corrosion resistance and longevity. Its welded and precision-balanced design eliminates vibrations and ensures stable, high-speed performance under pressure. Featuring a three-arm layout with four nozzle ports, the TKA-3w4 delivers broad, even spray coverage within a 6-inch diameter footprint. With a G3/8″ NPTF inlet and 1/4″ NPTF outlets, this rotor arm integrates seamlessly with most high-pressure systems. It supports up to 4000 PSI and 250°F, and is compatible with cleaning media ranging from pH 3 to 12, making it ideal for a wide range of industrial and commercial applications.

Applications

• Surface cleaning in tight or mid-sized areas

• Industrial wash stations

• Equipment and machinery cleaning

• Sanitary cleaning in food and beverage plants

• Undercarriage and chassis cleaning systems

Key Features

• Stainless Steel Build – Corrosion-resistant for long-term industrial use

• 3-Arm, 4-Nozzle Configuration – Optimized for balanced spray coverage

• Welded and Balanced – Reduces vibration and improves safety

• High Pressure & Temperature Handling – Up to 4000 PSI and 250°F

• Chemical Compatibility – Suitable for media with pH 3-12

• Thread IN: G3/8″ NPTF / Thread OUT: 1/4″ NPTF

• 6″ Diameter – Ideal for medium-coverage cleaning zones

Important: Do not use rotor arms unprotected! 

Nozzles not included

Specs 

Pressure: 4000 psi (27.5 MPa)

Temperature: 250°F

Material Type: Stainless steel

Throughput/medium: ph 3-12 

Thread In: G3/8″ F

Thread Out (for nozzles): 1/4″ NPTF

Diameter: 6″

Contact Us for availability of other styles.

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