Supplier of Fluid control products including instrumentation TUBE FITTINGS, PIPE FITTINGS and Valves

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Maximum working pressure – 125 psi (8.6bar)
Maximum working temperature – 100? (212?)
Standard type fitting with simple structure and compact design
Easy Assembly taper swaging sealing system
Application sizes
-1/4″~1/2″ OD., 6mm~12mm O.D.


Ultrapure or corrosive chemical applications


UNILOK PTFE fittings are free from machine oils,
loose particles and grease throughout the close cleaning process.
The special cleaning for high purity application is
available upon request.

How To Order

UNILOK fractional(inch) size tube fittings are ordered by part number as shown below.

Example: The following part number, UMC-0404N-TF, is designated for Male Connector, 1/4″O.D. x 1/4″ M-NPT, PTFE.

Fractional(Inch) Tube O.D. Designation
Tube O.D. inch 1/4 3/8 1/2
mm 6.35 9.52 12.70
Designator 04 06 08
Pipe size Designation (NPT or ISO 7/1-PT)
Pipe Size 1/4 3/8 1/2
Designator 04 06 08
Metric Tube O.D. Designation
Tube O.D. mm 6 8 10 12
Designator M06 M08 M10 M12
Thread Type Designation
Thread Type Designator
NPT National Standard Pipe Thread N
ISO 7/1 Taper Pipe Thread R

products fitting ptfefitting UEU

Connects Fractional Tube

UEU Connects Fractional Tube

Connects Metric Tube

UEU Connects Metric Tube