SCREW TYPE FOR OIL & GAS – MQS-SO

TECHNICAL DATA

SIZE

WORKING
PRESSURE
CONNECTED
Dynamic

WORKING
PRESSURE
DISCONNECTED
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

MPa

PSI

l/min

US
GPM

cc.

cubic
inch

Male

Female

M & F

MPa

PSI

MPa

PSI

MPa

PSI
19 3/4 12 35 5,075 25 3,625 120 31.7 7 0.427 120 17,400 120 17,400 180 26,100 Residual pressure
25 1 16 35 5,075 25 3,625 210 55.5 13 0.794 120 17,400 110 15,950 180 26,100 Residual pressure
31 1.1/4 20 35 5,075 25 3,625 385 101.7 22 1.343 100 14,500 100 14,500 150 21,750 Residual pressure
38 1.1/2 24 35 5,075 25 3,625 485 128.1 35 2.137 100 14,500 120 17,400 150 21,750 Residual pressure
51 2 32 35 5,075 25 3,625 780 206.1 80 4.884 100 14,500 100 14,500 180 26,100 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 Oil & Gas 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 female coupling
• Inspection holes to check full connection
• Shut-off by poppet valve
• Interchangeable with similar products available on the market

MATERIAL

Female and male couplings in high grade carbon steel. 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

IMPULSE PRESSURES

500,000 cycles (connected and disconnected conditions) at 120% of the rated one (freq. 1Hz)

TEST SPECIFICATIONS

ISO 18869

BSP
Q07711041A/Q07611041A
Q07711041A
Q07611041A
BSP TERMINATION ENDS TO DIN 3852 X TYPE
SIZE PART NUMBER THREAD DIMENSIONS mm
DN Inch Dash Female coupling Male coupling A B C D E F G H T
19 3/4 -12 Q07711041A-12-12 Q07611041A-12-12 3/4" 83.7 72 A+B-31,5 76 ⌀52 ⌀36 ⌀35 31.8 1-3/4-8 SPECIAL
25 1 -16 Q07711041A-16-16 Q07611041A-16-16 1" 106 86.8 A+B-40 107 ⌀67 ⌀45 ⌀45 41 STUB ACME 2-1/4-6
31 1.1/4 -20 Q07711041A-20-20 Q07611041A-20-20 1.1/4" 136 111.8 A+B-51 118 ⌀78 ⌀55,5 ⌀54,5 50 STUB ACME 2-5/8-6
38 1.1/2 -24 Q07711041A-24-24 Q07611041A-24-24 1.1/2" 151.5 127.5 A+B-58 145.2 ⌀95,2 ⌀63,5 ⌀63,5 57.1 STUB ACME 3-1/4 – 4
51 2 -32 Q07711041A-32-32 Q07611041A-32-32 2" 179 154 A+B-78 168.7 ⌀118,7 ⌀83 ⌀82,5 76.2 STUB ACME 4 – 4

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NPT
Q07711341A/Q07611341A
Q07711341A
Q07611341A
NPTF TERMINATION ENDS TO ANSI B 1.20.3
SIZE PART NUMBER THREAD DIMENSIONS mm
DN Inch Dash Female coupling Male coupling A B C D E F G H T
19 3/4 -12 Q07711341A-12-12 Q07611341A-12-12 3/4" NPTF 83.7 72 A+B-31,5 76 ⌀52 ⌀36 ⌀35 31.8 1-3/4-8 SPECIAL
25 1 -16 Q07711341A-16-16 Q07611341A-16-16 1" NPTF 106 86.8 A+B-40 107 ⌀67 ⌀45 ⌀45 41 STUB ACME 2-1/4-6
31 1.1/4 -20 Q07711341A-20-20 Q07611341A-20-20 1.1/4" NPTF 136 111.8 A+B-51 118 ⌀78 ⌀55,5 ⌀54,5 50 STUB ACME 2-5/8-6
38 1.1/2 -24 Q07711341A-24-24 Q07611341A-24-24 1.1/2" NPTF 151.5 127.5 A+B-58 145.2 ⌀95,2 ⌀63,5 ⌀63,5 57.1 STUB ACME 3-1/4 – 4
51 2 -32 Q07711341A-32-32 Q07611341A-32-32 2" NPTF 179 154 A+B-78 168.7 ⌀118,7 ⌀83 ⌀82,5 76.2 STUB ACME 4 – 4

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