NZ4040S Soap Nozzle 1/4 inch M NPT | Detergent Wash

NZ4040S Soap Nozzle 1/4 inch M NPT | Detergent Wash

Low-pressure soap nozzle for downstream injection

• The AR NZ4040S Soap Nozzle is a high-efficiency, low-pressure detergent
  application tip designed for downstream chemical injection on residential, commercial, and
  industrial pressure-washing systems.
• Uses a 1/4 inch male NPT threaded connection that installs securely into
  standard spray wands, lances, and adapters with a tight, leak-resistant seal.
• Engineered to deliver smooth, even detergent coverage while protecting equipment and
  supporting fast transitions between soap and rinse cycles.

Detergent Application & Flow

Optimized orifice for consistent chemical draw

• Purpose-built for downstream chemical injectors; the nozzle lowers working
  pressure to activate the Venturi, allowing soaps, degreasers, and sanitizers to be drawn
  into the water stream.
• Precision-calibrated internal orifice promotes balanced flow and minimizes turbulence,
  helping maintain reliable injector suction and stable dilution ratios.
• Produces a smooth, low-pressure spray that lays detergent down as an even film, improving
  contact time and soil penetration on vehicles, equipment, and structures.
• Supports efficient multi-stage cleaning by enabling chemical application at low pressure,
  followed by high-pressure rinsing after a simple tip change.

Construction & Durability

Stainless-steel build for long service life

• Constructed from corrosion-resistant stainless steel and durability-focused
  components to withstand frequent exposure to alkaline cleaners and professional detergents.
• Resists pitting, scaling, and chemical wear, maintaining accurate spray behavior across long
  duty cycles and varied water conditions.
• Compact, lightweight form factor supports comfortable handling and precise directional
  control in daily professional use.

Installation & Compatibility

1/4 in NPT male threaded connection

• 1/4 inch NPT male threads integrate with most professional spray guns,
  lances, and quick-connect adapters used in pressure-washer setups.
• Designed for quick tip swaps so operators can move between detergent application and
  high-pressure rinse without manual valve adjustments.
• Compatible with hot- and cold-water systems within rated operating limits, making it
  suitable for mobile rigs, fixed wash bays, and service trucks.

Operation & Best Practices

Fast transitions between soap and rinse

• Install the NZ4040S when applying detergent; the reduced pressure activates the downstream
  injector to pull chemical and blend it into the water stream.
• After proper dwell time, switch to a high-pressure nozzle to automatically stop chemical
  draw and begin the rinse stage as system pressure rises.
• For best performance, pair with a correctly sized downstream injector and a clean chemical
  filter to maintain unobstructed suction and consistent dilution.
• Flush clean water through the nozzle and injector after detergent use to clear residual
  solution, prevent crystallization, and preserve orifice accuracy.

Applications & Benefits

Uniform coverage for professional cleaning

• Ideal for fleet washing, building exteriors, equipment bays, agricultural machinery, loading
  docks, and general facilities maintenance.
• Provides predictable, uniform coverage on wide panels, curved surfaces, and tight spaces,
  helping reduce chemical waste and rework.
• Supports efficient workflows by replacing mechanical adjustments with simple, fast nozzle
  changes at the wand.
• Manufactured and tested to AR North America performance standards for
  dimensional precision, flow calibration, and long service life.

NZ4040S Soap Nozzle 1/4 inch M NPT | Detergent Wash

Reliable low-pressure soap nozzle for downstream systems

• The AR NZ4040S 1/4 in NPT Soap Nozzle combines stainless-steel durability,
  accurate low-pressure activation, and a compact, operator-friendly design to deliver
  consistent detergent application in any downstream-injection pressure-washing system.
• By enabling smooth chemical draw, fast tip-driven transitions, and uniform coverage, it
  helps professionals clean more efficiently while protecting equipment and controlling
  chemical usage.