Mosmatic 14-inch rotor arms model TKA-3W4, designed for use with four 1/4-inch nozzles (part number 82.785)

Description

The Mosmatic TKA-3w4 High Pressure Rotor Arm 82.785 is purpose-built for high-performance cleaning in large-scale industrial and commercial environments. Constructed from corrosion-resistant stainless steel, this rotor arm is engineered for long-term durability under demanding pressure and temperature conditions. Its welded and precisely balanced design ensures vibration-free operation for safer, smoother cleaning performance. Equipped with three arms and four nozzle connections, the TKA-3w4 delivers expansive, even spray coverage with a generous 14-inch diameter. The rotor arm is fitted with a G3/8″ NPTF inlet and 1/4″ NPTF outlets, allowing for simple integration into standard high-pressure cleaning systems. Rated for up to 4000 PSI and 250°F, and suitable for cleaning agents with pH values from 3 to 12, this rotor arm is designed for consistent, high-output cleaning across a range of challenging environments.

Applications

• Large surface area industrial cleaners

• Heavy equipment and fleet wash systems

• Commercial cleaning of loading bays and garages

• Food and beverage processing plant sanitation

• Manufacturing facility maintenance

Key Features

• Stainless Steel Construction – Built to resist corrosion and mechanical stress

• 3-Arm, 4-Nozzle Configuration – Provides optimized spray dispersion for efficient cleaning

• Welded and Balanced Design – Reduces vibration and promotes longevity

• Rated to 4000 PSI & 250°F – Handles high-pressure, high-temperature tasks with ease

• Compatible with pH 3-12 – Works with a wide range of industrial cleaning solutions

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

• 14″ Diameter – Offers extended spray reach for broad area coverage

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: 4″

Contact Us for availability of other styles.

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