SCREW TYPE FOR TRUCKS – MQS-ST

TECHNICAL DATA

SIZE

WORKING
PRESSURE
Dynamic

RATED FLOW
at 0.2 MPa of
pressure drop

OIL SPILLAGE
Connection /
Disconnection

MINIMUM BURST PRESSURE

CONNECTION /
DISCONNECTION
UNDER
PRESSURE

DN

inch

Dash

MPa

PSI

l/min

US
GPM

cc.

cubic
inch

Male

Female

M & F

MPa

PSI

MPa

PSI

MPa

PSI

19 3/4 12 25 3,625 92 24 7.5 0.458 100 14,500 120 17,400 110 15,950 Residual pressure
25 1 16 25 3,625 121 32 9.0 0.549 120 17,400 140 20,300 130 18,850 Residual pressure
The rated flow represents the normal operating condition. The maximum recommended flow rate is equal to 1.5 times the rated flow

PRODUCT DESCRIPTION

• Screw-type couplings specially designed for truck trailer applications
• Wing Nut shaped sleeve for easier connection and disconnection by hand, also in case of residual pressure in the line
• Connection secured on the thread between the sleeve and the male coupling
• Shut-off by poppet valve
• Interchangeable with similar products available on the market

MATERIAL

Female and male coupling in steel. Carbonitrided valve, springs in C98 steel, seals in NBR (other materials available on request) and back-up ring in PTFE

WORKING TEMPERATURE

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

SAFETY FACTOR

4:1 for dynamic pressures

TEST SPECIFICATIONS

ISO 18869

Find out more with our Q.Safe Catalogue