INTERPUMP HM UNLOADER VALVE
Code: 1808
Product detailed description
The INTERPUMP HM HIGH-PRESSURE UNLOADER VALVE – BRASS, 200 BAR, 41 L/MIN, DUAL BYPASS OUTLETS is a professional-grade pressure regulating valve, built to deliver durability and precision in industrial and commercial high-pressure cleaning systems. Designed and manufactured by Interpump, a leading name in high-pressure pump technology, this valve is optimized for reliability and long service life.
With a maximum flow rate of 41 litres per minute and a pressure rating of up to 200 bar, the HM valve is suitable for high-performance pressure washers and self-service car wash applications. Its brass body construction provides corrosion resistance and mechanical strength, making it ideal for demanding environments such as the automotive, food processing, agriculture, and municipal cleaning sectors.
Key features include:
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Dual by-pass outlets for enhanced installation flexibility and system design adaptability
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Manual pressure adjustment knob for precise control
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Compatible with a wide range of plunger pumps and high-pressure systems
Whether used in self-serve car wash bays, municipal maintenance vehicles, or industrial machinery cleaning, the Interpump HM valve offers consistent and safe pressure control. It’s the preferred choice for professionals seeking high flow capacity, installation versatility, and the trusted quality of the Interpump brand.
Additional parameters
| Category: | Unloader valves |
|---|---|
| Max pressure (bar): | 200 |
| Max flow rate (l/min): | 41 |
| Body: | Brass |
| Inlet: | G 3/8" F |
| Outlet: | G 3/8" F |
| By-pass: | 2 x G 3/8" F |
Interpump: Italian high-pressure pump engineering
Interpump is an Italian name in professional high-pressure piston and plunger pumps. Its development of compact pumps with ceramic pistons helped shape modern pressure washing equipment. Today, the brand serves equipment manufacturers, service companies and operators of industrial cleaning installations.
Technology and applications
Interpump pumps are used to deliver pressurised water in professional washing and industrial systems. The wider Interpump Group also operates in water jetting and hydraulics, while the pump brand is particularly relevant to pressure washers, vehicle washing and industrial cleaning.
- High-pressure plunger pumps for professional cleaning equipment.
- Pumping solutions for car wash installations and industrial washing.
- Application-specific pump configurations and service components.
Selecting a pump or replacement parts
Check rated flow, pressure, rotational speed, inlet temperature and drive arrangement against the intended duty. Similar-looking pumps can have different shafts, mounting dimensions and seal specifications. The complete model code and parts diagram are therefore essential when ordering service kits or replacing an existing unit.
Visit our Interpump high-pressure pumps category to compare the available models and their technical specifications.