Vacuum Insulated Line (Single and Multi Line)

CRYO DIFFUSION offers a complete range of tailor-made vacuum super-insulated rigid and flexible transfer lines, single/multiline. Stainless steel piping is used for the inner line.

  • Standard working pressure: 10 bar (higher pressure on request)
  • Onsite installation and commissioning on request
  • Best quality permanent vacuum with little maintenance required
  • Full range of options and accessories available
  • Outer pipe remains at ambient temperature providing higher safety levels
  • Full stainless steel construction for hygiene-critical areas (cryobiological rooms, food and electronics industry, applied research and physics)
  • Multi-pipe vacuum insulated lines for liquid helium transfer equipped with copper or aluminium shields are also available
 VIL1

Vacuum insulated line in industry

 VIL2

Vacuum insulated line in industry

 VIL3

Super-insulated valve box

 VIL4

Vacuum insulated line for cryobiological storage

 

Materials:

Connections:

Pressure:

Design:

Maximum Length:

Accessories:

Inner pipe: Stainless Steel 304 or 304L with compensators

Outer pipe: Stainless Steel 304

Spacer: Fiber glass

Insulation: Multi layer of aluminum and fiber glass foil

Johnston bayonet couplings or vacuum welded sleeves

With Johnston, 16 bar

With vacuum welded connection, 40 bar

Conforming with PED 97/23/CE

10m per section

Vacuum Jacketed Valves

 

 DIAMETER …  Flow rate WP: 3bar L/HR Dimensions   Weight Kg/m Coupling Heat in leak W/m Heat in leak W/Bayonet Coupling M+FW/m
Inner  Outer
DN 10 350 16 x1 63,5 x 1,5 3,2 Bayonet 0,35 1,4
DN 20 1500 25 x1,5 63,5 x 1,5 3,4 Bayonet 0,42 1,4
DN 25 2500 34 x 1 76,1 x 1,5 5,5 Bayonet 0,67 2,3
DN 32 4000 42,4 x 1,6 88,9 x 1,5 6,3 Sleeve 0,71 2,9
DN 40 7500 53 x 1,5 114,3 x 1,6 7,3 Sleeve 0,78 4
DN 50 9000 63 x 1,6 114,3 x 1,6 8 Sleeve 0,82 4

 

Production characteristics:

  • Vacuum: Pumped down to 10-5 mbar with diffusion pump or  turbo molecular pumps
  • Helium leak test: 1*10-9 mbar/l sec.
  • Welding: Orbital and manual welding
  • Others: Final polishing and individual packing

Suppliers and Partners:

  • Only top quality components and suppliers have been selected: SCANDVIK, THYSSENKRUPP, LYDALL, STOHR, HEROSE, WITZENMANN.

References:

  • Synchrotron: E.S.R.F. Grenoble, PSI (Suisse), Soleil
  • Industrial: SOL Feluy, EuroDisney, FIAT Avio, Novartis
  • Medical:Different Hospitals (E.F.S Lille, Hôpital Cochin Paris)

 

Cryo Diffusion S.A.S - Capital €1.525.000 -, R.C. EVREUX 2000 B 00404 - SIRET 334 225 034 00019 - APE 2529 Z