PULSAR 4RV UNLOADER VALVE WITH MICROSWITCH
Code: 1812
Product detailed description
The PULSAR 4RV HIGH-PRESSURE UNLOADER VALVE WITH MICROSWITCH – BRASS, 280 BAR, 40 L/MIN, DUAL INLETS & OUTLETS is a high-performance by-pass valve that combines the proven functionality of the Pulsar series with integrated electrical control. This version includes a mechanically-actuated microswitch, triggered by shaft movement, allowing for reliable communication with electrical systems—ideal for automated and safety-focused cleaning setups.
With a maximum working pressure of 280 bar and flow capacity up to 40 litres per minute, this valve is engineered for professional use in high-pressure cleaning systems, self-service car wash bays, and space-optimized installations. Its brass body ensures resistance to corrosion and wear, while the dual high-pressure inlets and dual by-pass outlets provide maximum installation flexibility.
Microswitch integration makes it suitable for systems that require:
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Pump shut-off signal
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System status monitoring
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Automation of washing sequences
Additional parameters
| Category: | Unloader valves |
|---|---|
| Max pressure (bar): | 280 |
| Max flow rate (l/min): | 40 |
| Body: | Brass |
| Current intensity (A): | 16 (6) |
| Voltage (V): | 250 |
| Cable length (mm): | 1000 |
| Inlet: | G 3/8" F |
| Outlet: | G 3/8" F |
| Pressure gauge port: | No |
P.A. (PA SpA): Professional High-Pressure Cleaning Components for Car Wash and Industry
Umytec offers products from P.A. SpA, an Italian manufacturer specializing in high-pressure cleaning accessories for car wash systems, industrial cleaning, and professional washing applications. Founded in 1982 in Rubiera, Italy, P.A. is one of the leading European producers of components for pressure washer systems.
The company is known for its fully Made in Italy production and strong vertical integration, controlling key stages of manufacturing to ensure consistent quality, precision, and reliability across its entire product range.
Main product range
P.A. SpA provides a wide portfolio of professional components for high-pressure systems:
- high-pressure spray guns and trigger systems
- lances and extension wands
- pressure regulation and unloader valves
- rotating nozzles and tank cleaning systems
- foamers and chemical injection systems
- quick couplings and swivel connectors
- pressure switches and safety accessories
- car wash system components
Applications
Products from P.A. SpA are widely used in:
- self-service and automatic car washes
- professional pressure washers
- industrial cleaning systems
- food and pharmaceutical industries
- construction and manufacturing
- sewer and drainage cleaning systems
Quality and manufacturing
P.A. emphasizes in-house production, CNC machining, and strict quality control across all components. The company operates fully in Italy and is recognized for durable, high-performance parts designed for intensive professional use.