ISO Type Flange Components

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  • - The Scanwel range of LF components conform to the ISO 1609/3669 based on earlier PNEUROP 6606, DIN28 404 and BS4767 standards.
  • - Complete range of clamp type and fixed flanges available, including rotatable outer rings.
  • - Stainless fittings manufactured from 316L as standard.
  • - Welded components leak tested to better than 10-10 mbar l/s
  • - Pressure range-atmosphere to below 10-8 mbar depending on gasket material.
  • - Metal seals and quick connector clamps from stock, consult factory for overpressure ratings.
  • - Fittings and adaptors fitted with clamp type flanges as standard.
  • - Metal seals and quick release clamps as standard items.
  • - A complete range of fittings and adaptors to other flange types is available.
  • - Weld fittings to suit both metric (European) and imperial (US) tubes.
ISO -K Clamp Flange Connection

(Double Claw Clamp LFC)


Assembly Procedure

1- Locate O-Ring on Centring Ring (Called Centring Seal).

2- Locate Centring Seal in Flange recess.

3- Locate mating ISO Flanges to trap Centring Seal.

4-Tighten nuts evenly and gradually, working in diametrically opposed pairs.

ISO-K and ISO-F Options
ISO-K to ISO-F Bolted
(Rotatable Clamping Collar LFCC)
ISO-K to ISO-F Bolted 
(Double Claw Clamp LFCB)
ISO-F Bolted to ISO-F Bolted
(Fixed Flanges LFBB)
IS0-K to ISO-F Tapped
(Rotatable Clamping Collar LFCC)
ISO-K to ISO-F Tapped
(Clamping Bolt LFCB)
ISO-F Bolted to ISO-F Tapped
(Fixed Flanges LFBB)

ISO-Without Centring Ring
ISO-K to Tapped Base Plate
(Rotatable Clamping Collar LFCC)
ISO-F to Base Plate 
(Clamping Bolt LFCBO)
ISO-F Bolted to Tapped Base Plate 
(Fixed Flanges LFBB)