Dielectric Fittings DEU


Description
 Photograph
 Dielectric Fittings DEU   Dielectric Fittings DEU
Coupling Category
Manufacturer
Dk-Lok Tube Fittings   DK Tech Corporation  

Di-electric tube fitting is designed to apply where electrical current flowing through a pipe or tubing line must be interrupted to protect instruments.

Di-electric Tube fitting is commonly used in the natural gas transmission station where installed on impulse lines ahead of stations. This fitting interrupts cathodic current flow while permitting full fluid flow.

Function
The insulation function is performed by thermoplastic insulators.
FKM O-ring and PTFE back up ring provide fluid containment function within the fitting.
Dk-Lok twin ferrule system provides reliable sealing in the impulse line tubing.

Materials Technical Data
Insulator: Molded Thermoplastic Pressure Rating: 4,000 psig (275 bar) @ 70° (21?)
O-ring: 90 Durometer FKM Temperature Rating: -40 to 200° (-40 to 93°)
Back Up Ring: Virgin PTFE - Body, Ferrules, Nuts: Stainless Steel 316 Electrical Resistance at 70°(21°): 10x10 @ 10 Volts DC, voltage breakdown resistance 3,000 Volts DC.


Dielectric Fittings DEU
Part No. Tube O.D.
D		 Straight Thread E
Min.		 A L L1 Width across flat
h H H1 H2
in mm
in. mm T(NPT) in mm in mm in mm in mm
DEU 4 1/4 6.35 0.19 4.8 15.24 95.8 65.3 1/2 12.7 9/16 14.28 7/8 22.22
DEU 6 3/8 9.52 0.28 7.1 16.76 99.6 65.8 5/8 15.87 11/16 17.46 7/8 22.22 13/16 20.64
DEU 8 1/2 12.7 0.28 7.1 22.86 106.0 60.2 13/16 7/8 22.22 7/8 22.22
DEU 12M 12.0 0.28 7.1 22.8 107.0 61.7 22 22 7/8 22.22 22
DEMC 6-4N 3/8 9.52 1/4 0.28 7.1 16.76 94.7 - 5/8 15.87 11/16 17.46 7/8 22.22 7/8 22.22

All dimensions are in millimeters unless otherwise specified and only for reference. Subject to change.

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