BRAKING CIRCUIT VALVE – MQS-VB

 

TECHNICAL DATA

SIZE

WORKING
PRESSURE
Dynamic

RATED FLOW
at 0.2 MPa of
pressure drop

CONNECTION
EFFORT

OIL SPILLAGE
Connection /
Disconnection

MINIMUM BURST PRESSURE

CONNECTION /
DISCONNECTION
UNDER
PRESSURE

DN

inch

Dash

MPa

PSI

l/min

US
GPM

N

lb.

cc.

cubic
inch

Male

Female

M & F

MPa

PSI

MPa

PSI

MPa

PSI

12 1/2 8 15 2,175 31 8.2 110 22.4 0.02 0.001 130 18,850 60 8,700 130 18,850 Not allowed
The rated flow represents the normal operating condition. The maximum recommended flow rate is equal to 1.5 times the rated flow

PRODUCT DESCRIPTION

• Trailer brake coupling specially designed to connect the hydraulic braking system of tractors to trailers
• Connection and disconnection by pulling back the sleeve
• Positive connection by latching balls system
• Shut-off by flat valve
• The male has to be placed on the tractor and the female on the implement
• Interchangeable according to ISO 5676

MATERIAL

Female and male coupling in steel, with some stressed tempered areas. Carbonitrided valve and sleeve, springs in C98 steel, seals in NBR and back-up ring PTFE

WORKING TEMPERATURE

-22ºF up to +230ºF (-30ºC up to +110ºC)

SAFETY FACTOR

4:1 for dynamic pressures

TEST SPECIFICATIONS

ISO 18869

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