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Valves
DK-LokTubeFittingCerti cationListing
DK-LokValveCerti cationListing
QualitySystemApprovals
No.V15-7
July 2013
V15 Series Needle Valves
Forged body, Pressure Rating up to 5000psig (345bar)
Integral Bonnet Needle Valves
For regulating and shut-off
Materials of Construction
Design
Stem
Hard chrome plated stem threads assures
extended service life
Choice of Fluid Control
• Metal to metal Vee & Regulating stems for
elevated temperatures
• Repetitive soft seat for gas leak-tight
Variety of end connections
• Reliable DK-Lok Tube Fitting Ends
• NPT & ISO Male & Female
Positive Driven Handle
Choice of Round handle and Bar handle
Packing Nut
Allows external adjustments of packing
Panel Nut
Allows panel installation
Integral Bonnet Design
To eliminate inadvertent stem back-out
Packing
• Low operating torque.
• Standard PTFE
• Optional Chevron PEEK for high temperature
Components
VALVE BODY MATERIALS
Material Grade/ASTM Specification
SS316
BRASS
ALLOY 400
1
Round handle
Nylon with brass insert
Bar handle
SS316/A276
2 Set Screw
SS304/A276
3
Standard Vee Stem
SS316/A276
Hard Chrome-plated on stem tip and threads
Alloy R-405
Optional Regulating stem
SS316/A276
Hard Chrome-plated on threads
Optional Soft Seat Stem
PCTFE
4 Packing Nut
SS316/A276
Brass/B16
Alloy R-405/B164
5
Packing
Standard PTFE, Optional PEEK
6
Packing Gland
SS316/A276
Brass/B16
Alloy R-405/B164
7 Panel Nut
SS316/A276
Brass/B16
SS316/A276
8
Body
SS316/A182
Brass/B283
Alloy 400/B564
Wetted parts and lubricant are listed in
blue
.
Lubrication
: Molybdenum disulfide with hydrocarbon coating
• Designed for a wide range of general purpose in gas and liquid applications
• Forged Body with Inline and Angle pattern
• Integral Bonnet design to eliminate inadvertent stem back-out
• Standard metal seal for pressure tightness at elevated temperatures
• Standard PTFE packing, and optional PEEK packing for higher temperature service
• Packing nut allows external packing adjustment to ensure leak-free packing on stem
• Broad choices of end connections include reliable DK-Lok, NPT & ISO Male & Female pipe threads