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 |
SUS316L(VOD) | SM | |
SUS316L(VAR) | DM | |
SUS316L(VIM+VAR) | VM |
Product Dimension
| Head Size | Ordering Number | ID | A | B | F | M | Working Pressure bar[psig] | |
| NI | 316L | |||||||
| 1/4" | LC-BU04 | 4.35 | 56.60 | 33.40 | 19.10 | 9/16-18UNF | 551(8000) | 689(10000) |
| 1/2" | LC-BU08 | 10.22 | 65.30 | 37.60 | 27.00 | 7/8-UUNF | 241(3500) | 296(4300) |
| 3/4" | LC-BU12 | 15.75 | 79.00 | 43.00 | 38.00 | 1 1/4-18UNEF | 206(3000) | 254(3700) |
| 1" | LC-BU16 | 22.10 | 86.00 | 47.00 | 44.40 | 11/2-20UN | 165(2400) | 206(3000) |
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