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UHP High Vacuum Fittings | EP BA AP

 

UHP 10RA EP Fittings CFOS fittings

Ultra High-Purity (UHP) and High-Vacuum Fittings for

Semiconductors and LCD Applications

CREST UHP Fittings (VHP, VVT) are precision-manufactured as seamless and welded-as-seam-less (WSL) according to ASTM specifications of A213 or A269/A270 or JIS G3459 with the specific purpose of servicing ultra high-purity applications and high-vacuum process for semiconductors, microelectronics and display industries such as LCD, LED, OLED and solar cells.

Dimension
OD [inch/mm] WT [inch/mm]
1/4″(6.35) 0.035″(0.89)
3/8″(9.53) 0.035″(0.89)
1/2″(12.7) 0.049″(1.24)
3/4″(19.05) 0.065″(1.65)
1″(25.4) 0.065″(1.65)
1.5″(38.1) 0.065″(1.65)
2″(50.8) 0.065″(1.65)
2.5″(63.5) 0.065″(1.65)
3″(76.2) 0.065″(1.65)
4″(101.6) 0.083″(2.11)
6″(152.4) 0.109″(2.77)
40A (48.6) 1.65
50A (60.5) 1.65
65A (72.3) 2.10
80A (89.1) 2.10
100A (114.3) 2.10
150A (165.2) 2.80
200A (216.3) 2.80
250A (267.4) 3.40
300A (318.5) 4.00
400A (406.4) 4.50
Code Specifications Choice of Pre-Materials Surface Finish (max)
AP A213/A269
A269/A270
A312
JIS G3459
304L
316L
SUS316L (JIS)
316L (sulfur 0.005%~0.017%)
ID Cold Drawn Bright Annealed
OD < 32 RA < 0.8 μm
MP A213/A269
A269/A270
A312
JIS G3459
304L
316L
SUS316L (JIS)
316L (sulfur 0.005%~0.017%)
ID < 20 RA < 0.5 μm
OD < 32 RA < 0.8 μm
BA A213/A269
A269/A270
A312
JIS G3459
304L
316L
SUS316L (JIS)
316L (sulfur 0.005%~0.017%)
ID < 15 RA < 0.4 μm
OD < 32 RA < 0.8 μm
EP A213/A269
A269/A270
A312
JIS G3459
304L
316L
SUS316L (JIS)
316L (sulfur 0.005%~0.017%)
ID < 10 RA < 0.25 μm
OD < 32 RA < 0.8 μm

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