FLAT FACE HIGH PRESSURE – MQS-FH

TECHNICAL DATA

SIZE

WORKING
PRESSURE
CONNECTED
Dynamic

WORKING
PRESSURE
DISCONNECTED
Dynamic

RATED FLOW
at 0.2 MPa of
pressure drop

CONNECTION
EFFORT

OIL SPILLAGE
Connection /
Disconnection

MINIMUM BURST PRESSURE

CONNECTION
WITH FEMALE
UNDER
PRESSURE
(Male at 0 MPa)

DN

inch

Dash

MPa

PSI

MPa

PSI

l/min

US
GPM

N

lb.

cc.

cubic
inch

Male

Female

M & F

MPa

PSI

MPa

PSI

MPa

PSI

6 1/4 4 35 5,075 35 5,075 13 3.4 120 27.0 0.005 0.0003 180 26,100 150 21,750 190 27,550 Allowed up to 6 MPa
10 3/8 6 35 5,075 35 5,075 46 12.2 130 29.2 0.007 0.0004 170 24,650 140 20,300 170 24,650 Allowed up to 6 MPa
12 1/2 8 35 5,075 35 5,075 82 21.7 150 33.7 0.008 0.0005 160 23,200 150 21,750 170 24,650 Allowed up to 4 MPa
16 5/8 10 35 5,075 35 5,075 98 25.9 160 36.0 0.008 0.0005 170 24,650 150 21,750 170 24,650 Allowed up to 3 MPa
19 3/4 12 35 5,075 35 5,075 150 39.6 210 47.2 0.009 0.0005 150 21,750 150 21,750 160 23,200 Allowed up to 2 MPa
25 1 16 35 5,075 35 5,075 186 49.1 210 47.2 0.020 0.0012 160 23,200 170 24,650 160 23,200 Allowed up to 2 MPa
Connection with Male under pressure not allowed; Disconnection under pressure 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

• MQS-FH is the flat-face line for heavy-duty application setting with 35MPa of working pressure in connected and disconnected conditions
• Push connection and pulling back the sleeve for disconnection
• Safety system on female part to prevent accidental disconnection
• Interchangeable with ISO 16028
• 1 Million impulse cycles qualified
• E-Coat 1000 plating

MATERIAL

Female & male couplings in high grade carbon steel with hardened areas in correspondence to the most stressed points. Male vs. female Sealing system in new Polyurethane compound; other seals in NBR with back-up in PTFE.

WORKING TEMPERATURE

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

SAFETY FACTOR

4:1 for dynamic pressures

IMPULSE PRESSURES

1,000,000 cycles at 120% of rated one (freq. 1Hz)

TEST SPECIFICATIONS

ISO 18869

Find out more with our Q.Safe Catalogue