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7
Quick Connectors
Ordering Information and Dimensions
Operation
Component
Materials
SS316
Brass
Body, Stem
SS316/ASTM A276 JIS H3250 C3604
Sleeve
Snap ring
SS316
SS316
Spring, Locking Ball
Stainless Steel
O-ring
FKM
NBR
Lubricant
Silicon-based and PTFE-based lubricants
Coupling
1. Align stem with body.
2. Pull the body sleeve back.
3. Insert stem into body until it bottoms.
4. Return body sleeve to its original
position.
Uncoupling
1. Pull the body sleeve back completely.
2. Remove stem from body.
Caution
: Do not uncouple under pressure.
Note :
Couple the identical Series of stem and
body.
Example
: Any DFB
A
series body will fit any
DFS
A
series stem.
Stems
DF
Materials
O-ring
Material
Max. Temp. Rating Pressure Rating
@Max. Temp.
SS316
FKM 400 F (204
°
C)
100 psig (6.8 bar)
Brass
NBR
250 F (121
°
C)
100 psig (6.8 bar)
L
h
L
h
Basic Ordering Number
End Connection
Cv
Orifice Min.
L
h
in.
mm (in.)
DFSA-
D-4T-
1/4 in. DK-Lok
2.2
4.8 (0.19)
45.0 (1.77)
9/16
D-6T-
3/8 in. DK-Lok
2.8
6.1 (0.24)
45.0 (1.77)
11/16
D-6M-
6 mm DK-Lok
2.2
4.8 (0.19)
45.0 (1.77)
9/16
M-4N-
1/4 in. Male NPT
1.7
6.1 (0.24)
40.4 (1.59)
9/16
M-6N-
3/8 in. Male NPT
1.7
6.1 (0.24)
40.4 (1.59)
11/16
F-4N-
1/4 in. Female NPT
1.7
6.1 (0.24)
40.6 (1.60)
3/4
F-6N-
3/8 in. Female NPT
1.7
6.1 (0.24)
42.4 (1.67)
7/8
DFSB-
D-6T-
3/8 in. DK-Lok
2.9
7.1 (0.28)
47.8 (1.88)
7/8
D-8T-
1/2 in. DK-Lok
13.0
10.4 (0.41)
50.5 (1.99)
7/8
M-6N-
3/8 in. Male NPT
7.1
10.4 (0.41)
40.4 (1.59)
7/8
M-8N-
1/2 in. Male NPT
11.5
12.7 (0.50)
46.7 (1.84)
7/8
F-6N-
3/8 in. Female NPT
7.1
11.9 (0.47)
40.4 (1.59)
1 1/16
F-8N-
1/2 in. Female NPT
11.5
12.7 (0.50)
46.2 (1.82)
1 1/16
DFSC-
D-12T-
3/4 in. DK-Lok
26.0
15.7 (0.62)
54.6 (2.15)
1 1/16
M-12N-
3/4 in. Male NPT
23.6
18.3 (0.72)
51.6 (2.03)
1 1/16
F-12N-
3/4 in. Female NPT
23.6
18.3 (0.72)
52.8 (2.08)
1 5/16
DFSD-
D-16T-
1 in. DK-Lok
45.0
22.4 (0.88)
62.2 (2.45)
1 3/8
M-16N-
1 in. Male NPT
39.0
22.4 (0.88)
59.7 (2.35)
1 3/8
F-16N-
1 in. Female NPT
39.0
22.4 (0.88)
63.2 (2.49)
1 5/8
DF Series Full Flow Quick Connectors
• Bi-directional flow design.
• Applicable to maximum flow
• Lowest pressure drop
• No tools required to connect & disconnect
Features
Every connector is cleaned, and packed in a plastic sealing bag
to keep them from dust, and then boxed for protection from
damage during transportation and storage.
Cleaning and Packaging
DF Series
SS316
Brass
psig (bar)
psig (bar)
DFA
6000 (413)
4000 (275)
DFB
3000 (206)
DFC
4000 (275)
2000 (137)
DFD
Max. Pressure @ 41O°F (21O°C)
Materials of Construction
Max. Temperature Rating
Wetted parts and lubrication are indicated in
blue
.
Bi-Directional Flow