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CGA/DISS | 50 SERIES BLANK PLUGS & 60 SERIES OUTLET ADAPTORS
Ultra-High Integrity Services Connections, DISS, are used for connecting items of gas handling equipment (such as pressure regulators or pigtails) directly to the cylinder valve outlet of a semiconductor/high-purity gas cylinder. The 50 Series corresponds to the bank plug and the 60 Series corresponds to the outlet adaptors.
Key advantages
  • 100% visual inspection of critical surfaces
  • Electropolished internally
  • Ultimate decontamination and packaged in certified clean room
  • Permanently marked
  • Manufactured according to CGA V-1 standards
  • Fits all local norms and standards
  • Non-rotating design provides leak tight makeup
  CGA/DISS Number End Connection Overall
Length (L)
Internal Surface
Finish μm (μ inch)
Nipple Material HEX
SS 316L VAR
50 632, 634, 636,
638, 640, 642
6** Bank Plug 4BP 1.5” Ra 0.2 (8 Ra) EP S V 1 - 1/4”
60 1/4” Face Seal Male 4FS 2” Ra 0.2 (8 Ra) EP
1/4” NPT Male 4N 1.8” Ra 0.4 (16 Ra) EP
50 712, 714, 716,
718, 720, 722,
724, 726, 728
7** Bank Plug 4BP 1.5” Ra 0.2 (8 Ra) EP S V 1 - 1/4”
60 1/4” Face Seal Male 4FS 2” Ra 0.2 (8 Ra) EP
1/4” NPT Male 4N 1.8” Ra 0.4 (16 Ra) EP
Dimensional drawings
DrawingDrawingDrawing
Downloadable catalogs, brochures
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    UHP Cylinder connectors
    Last update: Jun 19, 2023
    Available in: en/cn
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