VRP175-170 | Pressure Regulating Valve, NPT, Industrial Service

VRP175-170 – Pressure Regulating Valve – Heavy-Duty NPT Pressure Control

The Annovi Reverberi VRP175-170 Pressure Regulating Valve is a heavy-duty precision
control device engineered to deliver accurate, reliable pressure management for high-demand
industrial and commercial pump systems. Designed for professional use, it maintains constant
operating pressure, protects critical components, and enhances overall system efficiency in
continuous-duty environments.

Built for compatibility with a wide range of hydraulic and fluid transfer systems, the VRP175-170
uses NPT-threaded connections for secure, leak-free installation in both fixed and
mobile setups. Its precision-ground internal components automatically compensate for fluctuations
in downstream demand, preventing pressure spikes that can damage hoses, seals, and nozzles.

Key Functions & Benefits

• Constant pressure control: Automatically maintains a steady target pressure as flow
  demand changes.
• Pump and system protection: Prevents damaging surges that can shorten pump life
  or compromise safety.
• Improved efficiency: Smooth, stable regulation reduces hydraulic losses and energy
  waste.
• Enhanced safety: Minimizes sudden pressure spikes that can cause hose whip
  or fitting failure.
• Continuous-duty performance: Engineered for systems that run for long periods under
  demanding conditions.

Construction & Materials

• Corrosion-resistant body: Precision-machined brass or stainless steel housing
  maintains dimensional stability under pressure.
• High-strength internals: Precision-ground spring and piston assembly for rapid,
  proportional pressure response.
• Reinforced seals: Heavy-duty elastomer seals provide long-lasting, leak-free
  performance.
• Chemical- and heat-tolerant: Designed to withstand hot water, detergents, and
  cleaning chemicals without degradation.
• Durable housing: Resists distortion and wear through repeated pressure cycles
  in harsh environments.

Pressure Regulation & Bypass Operation

• Automatic compensation: Responds instantly to changes in downstream restriction
  or demand to hold set pressure.
• Integrated bypass circuit: Redirects excess water back to the pump inlet when
  discharge flow stops, preventing overpressure.
• Stable system behavior: Reduces pulsation and vibration for quieter, smoother
  operation.
• Reduced idle strain: Lowers pump load and heat buildup during intermittent
  or stop/start operation.
• Extended equipment life: Minimizes fatigue on pumps, hoses, and accessories by
  keeping pressures within design limits.

Adjustment & Control

• Ergonomic adjustment knob: Allows easy, precise pressure tuning in the field
  without special tools.
• Set-and-hold performance: Once adjusted, the valve automatically maintains the
  selected pressure with minimal oversight.
• Smooth-flow geometry: Internal passages are designed to minimize turbulence and
  hydraulic losses.
• Consistent nozzle pressure: Helps maintain uniform spray patterns and cleaning
  performance in pressure washer applications.

Applications

• Pressure washing systems: Maintains consistent nozzle pressure in heavy-duty wash
  bays and mobile rigs.
• Agricultural sprayers: Provides accurate delivery pressure for boom sprayers and
  chemical application systems.
• Industrial process systems: Stabilizes pressure in manufacturing, fluid transfer,
  and CIP (clean-in-place) circuits.
• Chemical distribution: Controls pressure in networks handling detergents,
  treatment fluids, and cleaning solutions.
• Mobile and fixed equipment: Suitable for use on service trucks, plant skids,
  and automated production lines.

Installation & Integration

• NPT-threaded connections: Standard threads ensure easy integration into U.S.
  and North American plumbing configurations.
• Flexible orientation: Compact design can be mounted in horizontal or vertical
  positions to fit tight layouts.
• Simple retrofits: Ideal as an upgrade or replacement regulator in existing
  systems.
• Closed-loop design: Bypass return to pump inlet supports efficient, energy-saving
  circulation.

Reliability, Testing & Service

• Factory calibrated: Each VRP175-170 is tested by AR North America to verify
  pressure accuracy and smooth bypass operation.
• Low maintenance: Requires only periodic inspection and cleaning of spring
  and piston areas.
• Resistant to scale and rust: Materials and finishes are selected to combat
  scaling and corrosion in treated water systems.
• Long service intervals: Robust internals and seals deliver thousands of hours of
  reliable operation.

Key Features & Uses (At a Glance)

• Model: VRP175-170 Pressure Regulating Valve
• Function: Precision pressure regulation with integrated bypass
• Connections: NPT-threaded ports for secure, leak-free installation
• Media: Compatible with hot or cold water, detergents, and cleaning chemicals
• Applications: Industrial wash bays, mobile service trucks, agricultural sprayers,
  process lines, and high-pressure cleaning systems