Mosmatic Rotor Arms 18" - TKA 3w4 for Four Nozzles - 82.787 - 1/4in Nozzles

The Mosmatic TKA-3w4 High Pressure Rotor Arm 82.787 is engineered to deliver powerful, reliable performance in industrial and commercial cleaning environments. Made from high-quality stainless steel, this rotor arm resists corrosion and wear, ensuring long-lasting durability. Its welded and precision-balanced construction eliminates dangerous vibrations, providing smooth operation and extending equipment life. Designed with three arms and four nozzle connections, the TKA-3w4 offers wide spray coverage within an 18-inch diameter footprint€”ideal for high-volume surface cleaning. The rotor arm features a G3/8" NPTF thread inlet and 1/4" NPTF nozzle outlets, and it supports pressures up to 4000 PSI and temperatures up to 250°F. With a pH compatibility range of 3 to 12, it is suitable for use with a wide array of cleaning agents.

Applications

• Large-area industrial surface cleaning

• Commercial fleet wash systems

• Heavy machinery maintenance

• Food processing and sanitation facilities

• Warehouse and factory floor cleaning

Key Features

• Stainless Steel Construction - Provides corrosion resistance and longevity

• 3-Arm, 4-Nozzle Design - Enables efficient, even spray pattern

• Welded and Balanced - Reduces vibration for safer, smoother use

• Supports 4000 PSI & 250°F - Built for tough, high-pressure environments

• Compatible with pH 3-12 Media - Works with a wide range of chemical solutions

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

• 18" Diameter - Optimized for maximum spray coverage and cleaning efficiency

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: 18"

Contact Us for availability of other styles.