STANDARD FREE FLOW – MQS-NL

 

TECHNICAL DATA

SIZE

WORKING
PRESSURE
Dynamic

MINIMUM BURST PRESSURE

CONNECTION /
DISCONNECTION
UNDER
PRESSURE

DN

inch

Dash

MPa

PSI

M & F

MPa

PSI

6 1/4 4 35 5,075 160 23,200 Not allowed
10 3/8 6 35 5,075 145 21,025 Not allowed
12 1/2 8 35 5,075 145 21,025 Not allowed

PRODUCT DESCRIPTION

• MQS-NL is Compact Free-Flow quick release couplings
• Simple connection & disconnection by pulling back the sleeve
• Positive quick connection of the male into the female by latching ball system
• ECOAT zinc plating with improved corrosion protection and environmentally friendly process

MATERIAL

Female & male couplings in high grade carbon steel with hardened areas in correspondence to the most stressed points. Seal in NBR with back-up in PTFE.

WORKING TEMPERATURE

-30°C to +110°C

SAFETY FACTOR

4:1 in CONNECTED & DISCONNECTED conditions

IMPULSE PRESSURES

100,000 cycles at 133% of the rated one (freq. 1Hz)

TEST SPECIFICATIONS

ISO 18869

BSP
Q03811041A Q03711041A
Q03811041A
BSP TERMINATION ENDS TO DIN 3852 X TYPE
SIZE PART NUMBER THREAD DIMENSIONS mm
DN Inch Dash Female coupling A B C
6.3 1/4" -04 Q03811041A-04-04 1/4" 33.2 27.5 19
10 3/8" -06 Q03811041A-06-06 3/8" 39.5 34.3 24
12.5 1/2" -08 Q03811041A-08-08 1/2" 44 38.3 27

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Q03711041A
BSP TERMINATION ENDS TO DIN 3852 X TYPE
SIZE PART NUMBER THREAD DIMENSIONS mm
DN Inch Dash Male coupling A B
6.3 1/4" -04 Q03710041A-04-04 1/4" 27.5 19
10 3/8" -06 Q03710041A-06-06 3/8" 29 24
12.5 1/2" -08 Q03710041A-08-08 1/2" 34 27

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