Recommendation for Trailer Brake Valve

Following technical specifications has to be taken care while selection of trailer brake valve.

5055E, 5060E, 5065E and 5075E Tractors

Item

Description

Specification

1

Flow Capacity (LPM)

50 LPM (Max)

2

Maximum Operating Pressure (bar)

0 to 210 bar

3

Pressure Drop Across P to R (bar)

1 to 1.5 bar

4

Port Size (P/R/T)

M22 or 1/2”BSP or Equivalent

5

Cleanliness

NAS9

6

Operating Temperature Range (° C)

-5 to 120° C

7

Spool Type (For Braking)

Pull1

8

Spool Stroke (mm)

5 mm

9

Spool Pull Force (kg)

20 kg (Max)

10

Tank Pressure (bar)

0.5 bar (Max)

11

Dead Band (mm)

1 mm

CAUTION: Never exceed a speed of 25 km/h (15 mph) when travelling with hydraulically braked trailers.

IMPORTANT: To prevent undue wear on the brakes, observe the following points:

Make sure that the pressure hose is connected properly.

When driving downhill, select the same gear you would for driving uphill.

Check the hydraulic trailer brake regularly to make sure that it is functioning correctly.

It is recommended to use proportionate valve in trailer brake application.

1 If push type valves are used, then suitable changes in cable arrangements have to be made by Trailer Manufacturer.

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