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Valves
DK-LokTubeFittingCerti cationListing
DK-LokValveCerti cationListing
QualitySystemApprovals
No.V103-4
December 2013
V103 Series Toggle Valves
Pressure Rating up to 300 psig (20.6 bar)
Toggle Valves for Quick Shut-Off
Operation
Design
Factory test
Technical Data
Materials of Construction
Features
• Quick open and close
• Soft seat for repetitive shut-off
• Sturdy Aluminum handle
• Standard panel mounting
• To open the valve, lift the handle.
• Spring forces the valve to close.
• Soft seat provides leak-tight sealing under positive pressure and vacuum conditions.
• Stem O-ring seal eliminates packing adjustment.
• Valves are designed for use in gas sampling, analysis systems and test equipment.
• In-line and angle flow pattern.
• O-ring seal below stem spring protects the spring from contamination.
Every valve is factory tested at 200psig (13 bar) with nitrogen gas at the seat and seal.
Pressure and Temperature Ratings
Valve Series
Orifice
Pressure Rating @ 100
O
F (37
O
C)
for SS316, Brass body
Temperature Rating
inch
mm
V103A
0.080
2.00
300 psig
FKM O-ring
-20 to 200 °F
(-28 to 93 °C)
V103B
0.125
3.20
V103C
0.250
6.40
200 psig
Component
Valve Body Material
SS316
Brass
Grade/ASTM Specification
1. Handle
Aluminium Black Anodized
2. Washer
Aluminium Black Anodized
3. Panel Nut
SS316/A276
Brass 360/B16
4. Packing nut
5. Spring
Stainless Steel 302
6. Stem O-ring
FKM
7. Body
SS316/A182
Brass 337/B283
8. Stem tip
PTFE/D1710
9. Handle Pin
Stainless Steel
10. Body O-Ring
FKM (V103C only)
Wetted component listed in
blue
and silicon based lubricdant.
LowTemperature Service
O-ring
Temperature Range, °F(°C)
Buna C
-65 to 200 (-53 to 93)
Optional O-Ring Material
FKM O-rings are standard
and other materials are Buna C, EPDM and Kalrez.