Quick Coupling Division
8145 Lewis Road • Minneapolis, MN 55427
www.parker.com/quickcouplings
E-7
Check Valves
E
Valves
DT Series
DT-MOMS
Male O-Ring Boss Inlet to Male Seal-Lok ® Outlet
DT-MSMO
Male Seal-Lok ® Inlet to Male O-Ring Boss Outlet
DT-MSMS
Male Seal-Lok ® Inlet to Male Seal-Lok ® Outlet
A
E
B
C
D
F L OW
F
Hex
A
F
Hex
E
B
C
D
F L OW
A
B
E
C
D
F L OW
F
Hex
Valve
Hex ** Std Crack
Size
Inlet Port
Outlet Port
Size Pressures
(inch) Part Number
Thread
Dimensions (in)
Thread (inch)
(PSI)
A
B C D
E
F
1/4 DT-250-MOMS-**
7/16-20 UNF .43 .45 .39 9/16-18 UNF .62
5
3/8 DT-370-MOMS-**
9/16-18 UNF .47 .44 .44 11/16-16 UN .75
1, 5, 65
1/2 DT-500-MOMS-**
3/4-16 UNF .55 .50 .51 13/16-16 UN .88
5, 65
5/8 DT-620-MOMS-**
7/8-14 UNF .63 .50 .62
1-14 UNS 1.06
5
3/4 DT-750-MOMS-** 1-1/16 - 12 UN .73 .50 .68 1-3/16 - 12 UN 1.25
1, 5, 65
1 DT-1000-MOMS-** 1-5/16 - 12 UN .73 .62 .70 1-7/16 - 12 UN 1.50
5, 65
1-1/4 DT-1250-MOMS-** 1-5/8 - 12 UN .73 1.06 .70 1-11/16 - 12 UN 1.88
1, 5
Valve
Hex ** Std Crack
Size
Inlet Port
Outlet Port
Size Pressures
(inch) Part Number
Thread
Dimensions (in)
Thread (inch)
(PSI)
A
B C D
E
F
3/8 DT-370-MSMO-**
11/16-16 UN .44 .44 .47 9/16-18 UNF .75
1, 5, 65
1/2 DT-500-MSMO-**
13/16-16 UN .51 .50 .55
3/4-16 UNF .88
5, 65
5/8 DT-620-MSMO-**
1-14 UNS .62 .49 .63
7/8-14 UNF 1.06
5
3/4 DT-750-MSMO-** 1-3/16 - 12 UN .68 .50 .73 1-1/16 - 12 UN 1.25
1, 5, 65
1 DT-1000-MSMO-** 1-7/16 - 12 UN .70 .62 .73 1-5/16 - 12 UN 1.50
5, 65
1-1/4 DT-1250-MSMO-** 1-11/16 - 12 UN .70 1.06 .73 1-5/8 - 12 UN 1.88
1, 5
Valve
Hex ** Std Crack
Size
Inlet Port
Outlet Port
Size Pressures
(inch) Part Number
Thread
Dimensions (in)
Thread (inch)
(PSI)
A
B C D
E
F
3/8 DT-370-MSMS-**
11/16-16 UN .44 .44 .44 11/16-16 UN .75
1, 5, 65
1/2 DT-500-MSMS-**
13/16-16 UN .51 .50 .51 13/16-16 UN .88
5, 65
5/8 DT-620-MSMS-**
1-14 UNS .62 .50 .62
1-14 UNS 1.06
5
3/4 DT-750-MSMS-**
1-3/16 -12 UN .68 .50 .68 1-3/16 - 12 UN 1.25
1, 5, 65
1 DT-1000-MSMS-** 1-7/16 - 12 UN .70 .62 .70 1-7/16 - 12 UN 1.50
5, 65
1-1/4 DT-1250-MSMS-** 1-11/16 - 12 UN .70 1.06 .70 1-11/16 - 12 UN 1.88
1, 5