Mosmatic Rotor Arms 22" - TKA 3w4 for Four Nozzles - 82.789 - 1/4in Nozzles

The Mosmatic TKA-3w4 High Pressure Rotor Arm 82.789 is engineered to meet the demands of industrial-grade cleaning where power, reliability, and wide-area coverage are essential. Built from durable stainless steel, this rotor arm resists corrosion and delivers long-lasting performance in high-pressure environments. Its welded and dynamically balanced construction reduces vibrations, ensuring smooth, safe, and efficient operation. Equipped with three arms and four nozzle outlets, this model offers enhanced spray performance over a 22-inch diameter, making it ideal for large-scale cleaning systems. Featuring a G3/8" NPTF thread inlet and 1/4" NPTF nozzle threads, the TKA-3w4 integrates easily into most commercial pressure setups. It handles pressures up to 4000 PSI and temperatures up to 250°F, while accommodating fluids with pH levels ranging from 3 to 12.

Applications

• Large-scale surface cleaning systems

• Fleet and heavy-duty vehicle washing

• Food and beverage processing facility sanitation

• Manufacturing plant and factory floor cleaning

• Industrial equipment and machinery washdowns

Key Features

• Stainless Steel Construction - Corrosion-resistant for long-term industrial use

• Three Arms with Four Nozzles - Optimized for even and wide spray distribution

• Welded and Balanced - Minimizes vibration for safe, stable operation

• Rated for 4000 PSI and 250°F - Performs under extreme cleaning conditions

• Compatible with pH 3-12 Media - Supports a broad range of cleaning agents

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

• 22" Diameter - Maximizes cleaning efficiency for larger surface areas

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: 22"

Contact Us for availability of other styles.