德國賀德克流量控制閥主要應用，0240R10BN/HC

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could be used in hydraulics.

 and hydraulically controlled valves in this area. 

In general there are different conditions 

Other influences of temperature:

z brittle fracture of steel at low 

temperatures

z relaxation of springs made of spring 

the maximum temperature depends 

primarily on the sealing materials. 

HYDAC defines here:

z NBR: from -30°C to +60°C 

(solenoid valves - 20°C)

6. Viscosity of the fluid

7. Contamination level (filtration) of the 

operating fluid

8. Nominal current and voltage 

(proportional and solenoid operated 

existing under which HYDAC valves 

steel at higher temperatures

z fusing of coils at continous operation 

under high current and at high 

temperatures

The flow valve programme encompasses practically all of the functions 

for influencing the flow rate which are required in hydraulics.

corresponding valve and described on 

the depending datasheet in detail.

These conditions are:

1. Pressure

(sometimes up to +100°C)

There are also deep temperature valves 

(TT), where the seals are specially 

designed for low temperatures.

z FPM: from -20°C to +80°C 

 Flow valves influence the flow rate in a system by means of mechanical 

or hydraulic modification of throttle cross-sections. HYDAC offers both manually

5. Media operating temperature range

valves) 

9. MTTFd values

The ambient temperature has a direct 

effect on the used materials in the valve, 

e.g. their mech. strength. Generally, 

2. Flow rate

3. Type of hydraulic fluid

4. Ambient temperature range

These conditions are depending on the 

德國賀德克流量控制閥主要應用，0240R10BN/HC