Page 202 - Parker - Quick Coupling Products

Check Valves DT Series
Metal Seal

Flow Data DT Series (1/4" & 3/8") DT Series (1/2", 5/8" & 3/4")
Test Fluid: Oil - 200 SUS Test Fluid: Oil - 200 SUS
110 100
100 90
90 1/4" 80 (DT-750)
3/4"
80
Pressure Drop in PSID 70 (DT-250) (DT-370) Pressure Drop in PSID 60 (DT-500 / DT-620)
70
60
50
3/8"
1/2" & 5/8"
50
40
40
30
30
20 20
10
10
0
0 0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32
0 1 2 3 4 5 6 7 8 9 10 Flow in USGPM
Flow in USGPM
DT Series (1" & 1-1/4")
Test Fluid: Oil - 200 SUS
200
Specifications
180
160 Body Rated Crack
Series Size (in.) Material Pressure (psi) Range (psi)
Pressure
Pressure Drop in PSID 100 (DT-1000) (DT-1250) DT Series Pressure Table (psi) 2500-5000 5-200
140
120
1/4 - 1 1/4
Steel
DT Series
1"
80
1-1/4"
60
MO (SAE
MS (Male
MF
40
Pressure
Size
20 Body Max Rated (Male JIC 37) O-Ring Boss) Seal-Lok)
1/4 5000 5000 5000 5000
0
0 10 20 30 40 50 60 70 80 90 3/8 5000 5000 5000 5000
Flow in USGPM
1/2 5000 4500 5000 5000
5/8 5000 3500 5000 5000
3/4
5000
5000
3500
5000
E Valves Ordering Information 1 1/4 5000 3000 5000 5000
1
4000
2500
4000
4000
DT- QQQ - QQQQ - QQ DT Series Installation Assembly Torque (ft-lbs)
CRACK PRESSURE Body MF MO (SAE MS (Male
01 = 1 PSI Size (Male JIC 37) O-Ring Boss) Seal-Lok)
05 = 5 PSI
65 = 65 PSI 1/4 13.3 +10% / -0%
Other Crack Pressures up to 200 PSI in 5 PSI
increments are available. Contact the Division 3/8 22.1 +10% / -0%
for price and delivery on non-standard
crack pressures 1/2 Refer to Parker 62.6 +10% / -0% Refer to Parker
SERIES SIZE FITTING STYLE TFD Catalog 4300 TFD Catalog 4300
250 - 1/4” MFMF - Male Flare Inlet to Male Flare Outlet 5/8 for torque 84.8 +10% / -0% for torque
370 - 3/8" MFMO - Male Flare Inlet to Male O-Ring Boss Outlet
500 - 1/2" MOMF - Male O-Ring Boss Inlet to Male Flare Outlet 3/4 recommendation 125.3 +10% / -0% recommendation
620 - 5/8” MOMS - Male O-Ring Boss Inlet to Male Face Seal Outlet
750 - 3/4" MSMO - Male Face Seal Inlet to Male O-Ring Boss Outlet 1 199 +10% / -0%
1000 - 1" MSMS - Male Face Seal Inlet to Male Face Seal Outlet
1250 - 1-1/4" 1 1/4 210 +10% / -0%
E-8 Parker Hannifin Corporation
Quick Coupling Division
Minneapolis, MN
www.parker.com/quickcouplings