Flared tube fittings

fitting body according to ISO 8434-1
flare adaptor, sleeve and nut according to DIN 3949

  • Ø 6 to 42 mm
  • nominal pressure up to 630 bar
  • -60°C to +400°C
  • for connection of 37° flanged tubes

Specifications

Characteristics, specialities

  • larger flare and adapted thrust ring
  • high tensile strength
  • no risk of disconnection when tightened insufficiently
  • after assembly, the adaptor is captively connected to the connector

Material

Stainless steel1.4571 (≈ AISI 316 Ti),
alloy X6CrNiMoTi17-12-2, DIN EN 10088-3

Nominal pressure PN

250 to 630 bar, details see product table (safety factor 4)

Temperature range

-20°C to +200°C

Leak rate with helium

10-6 mbar • l/s (when professionally assembed; see assembly instructions)

Vacuum

Up to 10-4 mbar, higher values are possible

Tubes to use

Seamless, cold-drawn, high precision stainless steel tubes (according to DIN EN 10216-5/EN ISO 1127 tolerance class D4/T4) with clean, smooth surface. Outer diameter within ± 0,1 mm. Other materials on request.

Inspection certificate

Inspection certificate 3.1 according to EN 10204

Pressure coefficient % of PN