STAINLESS STEEL ISO B POPPET VALVE – MQS-B SS

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

5 1/8 2 40 5,800 2 0.6  28 6.3 0.5 0.031 210 30,450 280 40,600 160 23,200 Not allowed
6 1/4 4 35 5,075 8 2.2  36 8.1 0.8 0.049 150 21,750 220 31,900 230 33,350 Not allowed
10 3/8 6 30 4,350 34 9.1  38 8.5 1.5 0.092 130 18,850 160 23,200 180 26,100 Not allowed
12 1/2 8 30 4,350 55 14.6  50 11.2 2.5 0.153 120 17,400 130 18,850 140 20,300 Not allowed
19 3/4 12 25 3,625 122 32.1 56 12.6 8.5 0.519 110 15,950 110 15,950 130 18,850 Not allowed
25 1 16 25 3,625 183 48.3 56 12.6 15.0 0.915 110 15,950 110 15,950 100 14,500 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

• Reference series for all industrial applications
• Simple connection and disconnection by pulling back the sleeve
• Positive, quick connection of the male into the female by latching the ball system
• Shut-off by poppet valve
• High resistant materials
• Interchangeable according to ISO 7241 series B
• FKM (VITON) seal

MATERIAL

Female and male in AISI 316 steel. Couplings in high grade carbon steel hardened. Springs in C98 steel, seals in FKM (VITON) (other materials on request) and back-up ring in PTFE

WORKING TEMPERATURE

-13ºF up to +392ºF (-25ºC up to +200ºC)
For other temperatures, the coupling may be assembled with the specific seals

SAFETY FACTOR

4:1 for dynamic pressures

IMPULSE PRESSURES

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

TEST SPECIFICATIONS

ISO 18869

Find out more with our Q.Safe Catalogue