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Stems
Quick Connectors

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  • Instruments | Fittings | Quick Connectors

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  • Dimensions
  • How To Order
  • Pressure-Temperature Ratings
  • Features

Dimensions


 

SEC : There's no a valve in the stem. 
DEC: There's a valve in the stem.
Part Number
Series (* = S or D)
End ConnectionCvDimensions (mm)
InletOutletSECDECFull
Flow
LH
SECDECinchmm
UQ*1U-02T-1/8” UNILOK0.080.080.0858.970.49/1614.28
U-04T-1/4” UNILOK0.30.20.459.961.59/1614.28
U-M06T-6 mm UNILOK0.30.20.459.961.59/1614.28
M-02N-1/8” Male NPT0.30.20.452.654.19/1614.28
M-04N-1/4” Male NPT0.30.20.456.457.99/1614.28
F-02N-1/8” Female NPT0.30.20.451.152.69/1614.28
F-04N-1/4” Female NPT0.30.20.457.458.93/419.05
UQ*2U-06T-3/8” UNILOK1.00.51.564.067.13/419.05
U-M10T-10 mm UNILOK1.00.51.567.370.43/419.05
M-04N-1/4“ Male NPT0.90.51.558.961.93/419.05
M-06N-3/8“ Male NPT0.80.51.659.762.73/419.05
F-04N-1/4“ Female NPT0.90.51.559.762.73/419.05
F-06N-3/8“ Female NPT0.80.51.659.762.77/822.22
UQ*3U-08T-1/2” UNILOK2.41.53.375.280.315/1623.81
U-M12T-12mm UNILOK2.41.53.375.280.315/1623.81
M-08N-1/2” Male NPT2.01.33.172.177.215/1623.81
F-08N-1/2“ Female NPT2.01.33.171.676.71-1/1626.98
NPT threads are available for all STEM. To order, add “R” as a suffix instead of “N”

How To Order

UNIOK UQ series Quick Connectors are ordered by part number as shown below. 

Example: The following part number, UQB3U-08T-SS is designated for UQB3 series Quick Connector with both 1/2” UNILOK tube fitting, 316SS.


UQB3U-08T-SS-
UNILOKValve tTypeConnection
Type
Connection
Size
Body
Materials
Option
Valve TypeConnection Size
BodyBodyQBFractional(Inch) Tube O.D. Designation
StemSingleQSTube
O.D.
inch1/81/43/81/2
DoubleQDmm3.176.359.5212.7
SetSingleQBSDesignator02T04T06T08T
DoubleQBD
Bulkhead-BodyBulkhead-BodyBQBMetric Tube O.D. Designation
Bulkhead
-Stem
SingleBQSTube
O.D.
mm61012
DoubleBQD
Bulkhead
-Set
SingleBQBSDesignatorM06TM10TM12T
DoubleBQBD
Pipe Size Designation (NPT or ISO7/1-PT)
Connection TypePipe Size1/43/81/2
UUNILOK Tube FittingDesignator04N/R06N/R08N/R
FFemale NPT or ISO7/1(PT)
MMale NPT or ISO7/1(PT)Body Materials
SS316SS
BSBrass

Pressure-Temperature Ratings

UQ
Stem and Body
316SS
FKM O-rings
Brass
NBR O-rings
UQ1UQ2UQ3UQ1UQ2UQ3
psi (bar) @ ()
Coupled3000 (206)
@ 70 (21)
1500 (103)
@ 70 (21)
750 (51.6)
@ 70 (21)
2000 (137)
@ 70 (21)
1000 (68.9)
@ 70 (21)
500 (34.4)
@ 70 (21)
250 (17.2) @ 400 (204)250 (17.2) @ 250 (121)
Uncoupled250 (17.2) @ 70 (21)
Do not couple or uncouple at pressures exceeding 250 psig (17.2 bar).
When coupling
and uncoupling




 


Spillage and Air InclusionInsertion depth
UQ SeriesSpillage (cm³)Air Inclusion (cm³)UQ SeriesDepth mm (in)
UQ10.30.3SECDEC
UQ21.01.0UQ127.7(1.09)29.2(1.15)
UQ33.03.0UQ230.0(1.18)33.0(1.30)
UQ337.6(1.48)42.7(1.68)
- Spillage is the volume of system fluid that escapes while a quick connector

   is uncoupled. (Only double)

- Air inclusion is the volume of air trapped that comes in while a quick conne

   ctor is coupled. (Only double)


Insertion depth and Overall Length

- To obtain a combined length and add the length of the body and stem, subtract the insertion depth.


Cleaning

UNIOK quick connectors are free machine oil, loose particles and grease throughout the close cleaning process.


Testing

Every UQ series quick connector is 100% factory tested for proper functionality.


Important Notification

Proper installation, materials compatibility, operation and maintenance of these valves are the responsibility of the user. The total system design must be taken into consideration to ensure optimal Performance and safety.

Do not couple or uncouple at pressures exceeding 250 psig (17.2 bar).

Prohibit the together use with quick connectors of other companies. 

Features

- It was designed to flow in both directions. 

- Coupling and uncoupling enable quick, easy operation.

- Simply push and pull the line can be connected and disconnected.

- No tools are needed due to its compact and lightweight design.

- There are two kinds of stems.

- Single-type stems have no valve.

- Double-type stems have valves.

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