Bulkhead Union
Bulkhead Union
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  • Bulkhead Union
  • Bulkhead Union

Feature

 • Metal-to-metal sealing design delivers reliable, leak-free performance from ultra-high 
    vacuum to high-pressure applications.

 • Surface finish options: standard Ra 10 µin. (0.25 µm), with electropolished Ra 5 µin. 
    (0.13 µm) available for ultra-clean applications.

 • High-precision gasket manufacturing ensures consistent sealing integrity and optimized performance.

 • Integrated test port on the nut enables convenient leak checking during installation and maintenance.

 • Silver-plated female threads minimize galling and provide smooth assembly.

 • Protective plastic caps applied to all sealing surfaces and threads to maintain cleanliness during handling.
 • Full traceability: each product body permanently marked with size, material grade, and heat code

 
Seal body

Material

Name

Standard

JIS_STD SUS316L(AOD)

GM

SEMI SPEC F20-0706E 
JIS SPEC

SUS316L(VOD)

SM

SUS316L(VAR)

DM

SUS316L(VIM+VAR)

VM


Product Dimension 

Head 
Size
Ordering 
Number
IDABFMWorking Pressure bar[psig]
NI316L
1/4"LC-BU044.3556.6033.4019.109/16-18UNF551(8000)689(10000)
1/2"LC-BU0810.2265.3037.6027.007/8-UUNF241(3500)296(4300)
3/4"LC-BU1215.7579.0043.0038.001 1/4-18UNEF206(3000)254(3700)
1"LC-BU1622.1086.0047.0044.4011/2-20UN165(2400)206(3000)

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