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VB1U series
Both UNILOK Tube Fittings

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  • Instruments | Valve | Hex Ball Valves

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  • Dimensions
  • How To Order
  • Application
  • Features

Dimensions

 

· Max Operating Pressure : 1000psig (69bar) at 38 ℃(100 ℉) with PTFE seat  /  1000psig(69bar) at 170 ℃(338 ℉) with PEEK seat

· Connection Type : Both UNILOK tube fittings

· Handle Type : Lever, Butterfly and Bar

Part No.End ConnectionOrificeDimensions (mm)
InletOutleth(Hex)LH
VB11U-04T-1/4" UNILOK5.017.4679.026.5
U-M06T-6mm UNILOK
U-M08T-8mm UNILOK82.0
VB12U-06T-3/8" UNILOK7.522.2289.532.5
U-M10T-10mm UNILOK
VB13U-08T-1/2" UNILOK9.026.98101.635.0
U-M12T-12mm UNILOK
VB14U-12T-3/4" UNILOK12.531.75107.537.5
VB15U-16T-1" UNILOK16.038.10132.644.5
U-M25T-25mm UNILOK

How To Order

UNILOK VB1 series ball valves are ordered by part number as shown below.

Example: The following part number, VB1U-04T-SS-B is designated for VB1 series ball valve with both 1/4" UNILOK tube fitting, 316SS, PTFE seat, butterfly handle.


VB1U-04T-SS-B- 
UNILOK
Valve
Valve
Type
Connection
type 
Connection
Size
Body
Materials
Handle
Type
Seat
Materials
Connection TypeConnection SizeHadle Type
UUNILOK Tube FittingFractional(Inch) Tube O.D. DesignationNoneLever Handle
FFemale NPT or ISO7/1(PT)Tube
O.D.
inch1/43/81/23/41BButterfly Handle
WB-*TButt Weld-Tubemm6.359.5212.7019.0525.40PRNylon
Bar
Handle
Red
WB-*PButt Weld-PipeDesignator04T06T08T12T16TPSBlue
PBBlack
Metric Tube O.D. Designation
Tube O.D.mm68101225Seat Materials
DesignatorM06TM08TM10TM12TM25TNonePTFE
TFMTFM
Pipe Size O.D. DesignationPKPEEK
Pipe
O.D.
Normal15A20A25A
mm21.727.234.0
Designator15A20A25A
Pipe Size Designation (NPT or ISO7/1-PT)
Pipe Size1/81/43/81/23/41
Designator02N/R04N/R06N/R08N/R12N/R16N/R

Application

Steam, water, and air lines for onshore and offshore applications. 

Utility lines in the semiconductor and display panel industries.  


Protection Cover

Maintain fluid temperature, keep track of handle position, and visually distinguish between in-out lines to ensure proper temperature control and line identification. 

The VB1 series ball valve features a 3/4″ UNILOK end connection and a plastic bar handle. 

The 1/2″ variant is available with a distinct inner cover size. 


Type of Handle

Bar handles provide visual distinction for in-out lines in high-purity applications. 

Testing

Every valve undergoes 100% factory testing using air and nitrogen at 1000 psig (69 bar) to check for leakage at the seat and packing. 

Each test is conducted with a maximum allowable leak rate of 0.1 scc/min. 


Cleaning

UNILOK valves are free from machine oils, loose particles, and grease throughout the thorough cleaning process. 

Special cleaning for high-purity applications is available upon request. 


Important Notification

UNILOK ball valves are designed to operate in a fully open or fully closed position. 

Packing adjustment may be required during the valve's service life. 

The responsibility for proper installation, materials compatibility, operation, and maintenance lies with the user.

The total system design must be considered to ensure optimal performance and safety. 

Features

Pressure rating up to 1000psig (69bar) with PTFE seats and 2000psig(137bar) with TFM only for VB1F series ball valves with lever handle Easy to operate owing to low torque quarter turn actuation.   

All valve body’s made from 316SS bar stock to secure the high integrity. 

Compact one-piece hexagonal body with micro-finished 316SS balls to prevent leakage. Blow-out proof design with internally loaded stem and a variety of handle options. 

Wide choice of end connections: UNILOK tube fittings, Female NPT or ISO7/1(PT) threads, Weld Systems. 


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