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METAGLAS® Type 99.KF Sight Glass

Sight Glass Flange for vacuum application

METAGLAS® Type 99.KF for high vacuum

Applications

  • KF (also known as QF, NW) – quick
    flanged vacuum sight glasses
  • For applications where quick-clamped
    installation and removal is desired

Advantages

  • Exhibits no outgassing or contamination
    of most systems
  • Extremely compact construction
  • Easy, instruction free installation
  • Security against total failure
  • Long working time
  • Suitable for high vacuum and pressure
Operating conditions
  • Temperature: see table

Technical data
Manufactured and tested to:

  • Directive for pressure equipment 2014/68/EU,
    Module H (DIN/EN/ISO 9001)
  • AD2000 Standards W0/TRD 100
  • Sight glass fused to metal conforming
    to DIN 7079
  • Materials to VdTÜV specifications and
    the DIN/EN designated standards
  • Glass: Borosilicate glass to DIN 7080 / DIN 7079

Material certificates

  • Certificate of Conformity EN 10204 – 3.1

Ring materials

Operating temperature

1.4462

-30°C to +280°C

2.4602

-60°C to +300°C

2.4610

-60°C to +300°C

Nominal size

D

d1

S

16

30

12

5

20

40

20

5

25

40

20

5

32

55

30

7

40

55

30

7

50

75

40

7

63

87

45

9