Mosmatic Rotor Arms 12" - TKA 3w4 for Four Nozzles - 82.784 - 1/4in Nozzles

The Mosmatic TKA-3w4 High Pressure Rotor Arm 82.784 is designed for high-demand cleaning applications that require durability, precision, and consistent performance. Made from high-grade stainless steel, this rotor arm resists corrosion and wear in harsh environments. Its welded and dynamically balanced construction ensures vibration-free operation, increasing safety and extending service life in high-pressure cleaning systems. With a three-arm configuration and four nozzle connections, this rotor arm delivers superior coverage and efficiency across larger cleaning surfaces. It features a 12-inch diameter, a G3/8" NPTF inlet, and 1/4" NPTF outlets, allowing for easy integration into most industrial pressure systems. The TKA-3w4 is rated for up to 4000 PSI and 250°F, and is compatible with chemicals and detergents across a pH range of 3 to 12.

Applications

• High-capacity surface cleaners

• Industrial wash systems

• Fleet and heavy vehicle washing

• Equipment and factory floor cleaning

• Food production and sanitation zones

Key Features

• Durable Stainless Steel Build - Corrosion-resistant for longevity in harsh environments

• Three Arms with Four Nozzles - Optimized spray pattern for broad coverage

• Welded and Balanced - Ensures smooth, vibration-free performance

• Handles Up to 4000 PSI & 250°F - Reliable under high-pressure and high-temperature conditions

• pH Range 3-12 - Compatible with a variety of cleaning agents

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

• 12" Diameter - Ideal for large-area, industrial 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: 12"

Contact Us for availability of other styles.