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Valves
DK-LokTubeFittingCerti cationListing
DK-LokValveCerti cationListing
QualitySystemApprovals
No.V23-2
July 2013
V23 Series Plug Valves
Pressure Rating up to 3,000 psig (206 bar)
Features
Ordering Information and Dimensions
Technical Data
Pressure - Temperature Curves
with standard FKM O-ring
Operation
Materials of Construction
•
Quarter-turn operation
•
Unique forward flow throttling
•
Low torque operation
•
Unidirectional flow
•
Wetted parts and lubricants listed in
blue
•
Lubricant is silicone-based
All dimensions shown are for reference only and are subject to change. Dimensions with DK-Lok nuts are in finger-tight position.
•
Differential pressure is limited to maximum 150 psig (10.3bar)
when reverse flow occurs.
•
Throttling reverse flowmay damage O-ring.
•
DK-Lok plug valves provide positive shut-off, high flow capacity, and
quick quarter-turn operation.
•
DK-Lok plug valve provides flow throttling capability.
Component
Valve Body Materials
Stainless Steel
Brass
Grade/ASTM Specification
1. Body
SS316/ A479 or A276
Brass / B16
2. Plug
PTFE-coated SS316/ A479 or A276
PTFE-coated Brass / B16
3. O-ring
PTFE-coated FKM
4. Handle
Nylon
5. Pin
SS316/A276
6. Snap ring
Stainless Steel
Series
Valve
Material
Pressure Rating Temperature
Rating
Plug Orifice
mm (in.)
psig bar
V23A SS316
3,000 206 -10 to 400 °F
(-23 to 204 °C)
4.4 (.17)
Brass
V23B SS316
7.2 (.28)
Brass
2,000 137
Basic Ordering
Number
End Connections
Dimensions mm (inches)
Inlet
Outlet H
A
B
C
D E
F
G H
V23A
D-2T-
1/8 in. DK-Lok
50.5 (1.99)
19.8
(0.78)
47.8
(1.88)
38.6
(1.52)
29.0
(1.14)
9.4
(0.37)
11.7
(0.46)
19.1
(0.75)
D-4T-
1/4 in. DK-Lok
55.1 (2.17)
D-6T-
3/8 in. DK-Lok
58.2 (2.29)
D-6M-
6mm DK-Lok
55.1 (2.17)
M-2N-
1/8 in. Male NPT
38.9 (1.53)
M-4N-
1/4 in. Male NPT
48.3 (1.90)
MD-4N4T-
1/4 in.MaleNPT 1/4
in.DK-Lok 51.7 (2.03)
MF-4N-
1/4 in.MaleNPT 1/4 in. femaleNPT 50.8 (2.00)
F-2N-
1/8 in. Female NPT
45.2 (1.78)
F-4N-
1/4 in. Female NPT
53.1 (2.09)
F-4R-
1/4 in. Female ISOTapered
56.1 (2.21)
V23B-
D-6T-
3/8 in. DK-Lok
67.6 (2.66)
29.0
(1.14)
63.2
(2.49)
54.1
(2.13)
38.1
(1.50)
14.2
(0.56)
16.8
(0.66)
28.4
(1.12)
D-8T-
1/2 in. DK-Lok
73.2 (2.88)
D-8M-
8mm DK-Lok
67.6 (2.66)
D-10M-
10mm DK-Lok
68.1 (2.68)
D-12M-
12mm DK-Lok
75.2 (2.96)
M-8N-
1/2 in. Male NPT
67.1 (2.64)
F-6N-
3/8 in. Female NPT
60.5 (2.38)
F-8N-
1/2 in. Female NPT
73.2 (2.88)
F-8R-
1/2 in. Female ISOTapered
79.8 (3.14)