Steering valves / Priority valves

In the Hydromot online shop you will find high-quality steering and priority valves for mobile hydraulic systems, ensuring a reliable and efficient oil supply. Learn more...

Catalog image Priority valve HMPVFS40_4B, 40 l/min, Control Spring Pressure 4 bar, Modular Mount
Priority valve HMPVFS40_4B, 40 l/min, Control Spring Pressure 4 bar, Modular Mount
  • Priority valve Typ HMPVFS40_4B
  • Oil flow 40 l/mine: 4 bar
  • Connection ports P, EF: G 1/2'‘
  • Connection ports T, A, B: G 3/8"
  • Modular mount for steering unit CSUS_5
Scheme Priority valve HMPVFS40_4B, 40 l/min, Control Spring Pressure 4 bar, Modular Mount
90,13 EUR
77,03 EUR excl. 17% tax
incl. 17% tax excl. Shipping costs
77,03 EUR excl. 17% tax
Catalog image Priority valve HMPVFS40_7B, 40 l/min, Control Spring Pressure 7 bar, Modular Mount
Priority valve HMPVFS40_7B, 40 l/min, Control Spring Pressure 7 bar, Modular Mount
  • Priority valve Typ HMPVFS40_7B
  • Oil flow 40 l/min
  • Control spring pressure: 7 bar
  • Connection ports P, EF: G 1/2'‘
  • Connection ports T, A, B: G 3/8"
  • Modular mount for steering unit CSUS_5
Scheme Priority valve HMPVFS40_7B, 40 l/min, Control Spring Pressure 7 bar, Modular Mount
55,24 EUR
47,21 EUR excl. 17% tax
incl. 17% tax excl. Shipping costs
47,21 EUR excl. 17% tax
Catalog image Priority valve HMPVFS80_4B, 80 l/min, Control Spring Pressure 4 bar, Modular Mount
Priority valve HMPVFS80_4B, 80 l/min, Control Spring Pressure 4 bar, Modular Mount
  • Priority valve Typ HMPVFS80_4B
  • Oil flow 80 l/min
  • Control spring pressure: 4 bar
  • Connection ports P, EF: G 1/2'‘
  • Connection ports T, A, B: G 3/8"
  • Modular mount for steering unit CSUS_5
Scheme Priority valve HMPVFS80_4B, 80 l/min, Control Spring Pressure 4 bar, Modular Mount
90,13 EUR
77,03 EUR excl. 17% tax
incl. 17% tax excl. Shipping costs
77,03 EUR excl. 17% tax
Catalog image Priority valve HMPVFS80_7B, 80 l/min, Control Spring Pressure 7 bar, Modular Mount
Priority valve HMPVFS80_7B, 80 l/min, Control Spring Pressure 7 bar, Modular Mount
  • Priority valve Typ HMPVFS80_7B
  • Oil flow 80 l/min
  • Control spring pressure: 7 bar
  • Connection ports P, EF: G 1/2'‘
  • Connection ports T, A, B: G 3/8"
  • Modular mount for steering unit CSUS_5
Scheme Priority valve HMPVFS80_7B, 80 l/min, Control Spring Pressure 7 bar, Modular Mount
90,13 EUR
77,03 EUR excl. 17% tax
incl. 17% tax excl. Shipping costs
77,03 EUR excl. 17% tax
Catalog image Priority valve HMPVLS40_7B, 40 l/min, Control Spring Pressure 7 bar, Line Mount
Priority valve HMPVLS40_7B, 40 l/min, Control Spring Pressure 7 bar, Line Mount
  • Priority valve Typ HMPVLS40_7B
  • Oil flow 40 l/min
  • Control spring pressure: 7 bar
  • Connection ports P, EF: G 1/2'‘
  • Connection ports T, A, B: G 3/8"
  • Line mount for steering unit CSUS_5
Scheme Priority valve HMPVLS40_7B, 40 l/min, Control Spring Pressure 7 bar, Line Mount
90,13 EUR
77,03 EUR excl. 17% tax
incl. 17% tax excl. Shipping costs
77,03 EUR excl. 17% tax
Catalog image Priority valve HMPVLS80_7B, 80 l/min, Control Spring Pressure 7 bar, Line Mount
Priority valve HMPVLS80_7B, 80 l/min, Control Spring Pressure 7 bar, Line Mount
  • Priority valve Typ HMPVLS80_7B
  • Oil flow 80 l/min
  • Control spring pressure: 7 bar
  • Connection ports P, EF: G 1/2'‘
  • Connection ports T, A, B: G 3/8"
  • Line mount for steering unit CSUS_5
Scheme Priority valve HMPVLS80_7B, 80 l/min, Control Spring Pressure 7 bar, Line Mount
90,13 EUR
77,03 EUR excl. 17% tax
incl. 17% tax excl. Shipping costs
77,03 EUR excl. 17% tax
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These valves ensure that the steering system is always supplied with hydraulic oil on a priority basis, even under heavy load from other consumers. Our models are ideally suited for use in construction machinery, forestry equipment, agricultural machinery, and industrial applications. With different flow rates (40 or 80 l/min), spring preload pressures (4 or 7 bar), and designs (flange-mounted or inline), we offer flexible solutions for every requirement. Thanks to robust materials and wear-resistant seals, the valves stand out for their durability and maximum operational safety.

 

Steering and Priority Valves – Frequently Asked Questions

What are steering and priority valves?

Steering valves and priority valves are specialized hydraulic valves for mobile systems such as construction machinery, forestry, and agricultural equipment. Their main function is to ensure that critical consumers – especially the steering system – are always supplied with hydraulic oil on a priority basis.

How do priority valves work?

Priority valves (3-way flow control valves) ensure that a prioritized consumer always receives the required flow rate. Excess oil flow is directed to secondary consumers.

If the pump delivers insufficient oil, the supply to secondary consumers is reduced or completely shut off. Regulation is independent of load and pressure, controlled by pistons and spring forces.

What materials are these hydraulic valves made of?

The valve bodies are typically made of robust steel or cast iron. Seals are manufactured from materials such as EPDM, PTFE (Teflon), NBR, or FKM. These are resistant to corrosion, wear, and compatible with the hydraulic fluids used.

The choice of materials depends on oil type, pressure, temperature, and environmental conditions.

What sizes and technical specifications do priority valves have?

  • Connection sizes: SAE 3/4", 1" up to 1 1/4"
  • Flow rates: 40 up to over 600 l/min
  • Operating pressure ranges: up to 350 or 420 bar and higher

The appropriate size is selected according to the hydraulic system and consumer requirements.

Where are steering and priority valves used?

They are used in many mobile working machines, such as:

  • Construction machinery
  • Forestry machinery
  • Agricultural equipment
  • Mulchers, drilling rigs, generators

Especially in steering systems, they ensure a reliable oil supply – even under heavy load from other consumers.

What advantages do these valves offer?

  • Secure, prioritized supply of critical functions
  • Flow regulation independent of load and pressure
  • Compact design, easy integration
  • Flexible combination with other hydraulic components
  • Increased efficiency and safety of the overall system

How are priority valves installed and maintained?

Installation is usually flange-mounted directly to the pump or control block. For maintenance, easy access is important to regularly check seals and moving parts.

In case of wear, seals must be replaced. With proper maintenance, the service life is several thousand operating hours.

What criteria are decisive for selecting the right priority or steering valve?

  • Required flow rate and operating pressure
  • Type of hydraulic system (open-center or closed-center)
  • Application and prioritized consumer
  • Material compatibility with hydraulic fluid and environment
  • Installation space and connection sizes

Proper selection and design ensure optimal performance and long service life.