KF Long Weld Neck Flanges

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Specifications

MODEL NUMBERODABC
KF-10FL3/81.1800.4800.380
KF-16FL3/41.1800.6800.625
KF-25FL11.5751.0310.870
KF-40FL1 1/22.1601.6201.370
KF-50FL22.9502.0601.870

Specifications - KF Long Weld Neck Flanges

Tube OD sizes: 3/8 to 2 inches
Materials
Flange: 304 or 316L stainless steel
O-rings: Viton, Buna & silicone
Fittings
Tube finishes: Beadblast standard
(Tumbled & electropolish available)
Fasteners: Wingnut, SureSeal, bulkhead & EVAC clamps
Vacuum range
Elastomer seal: >= 1 x 10-8 Torr – High vacuum
EVAC metal seal: >= 1 x 10-11 Torr – UHV
Vacuum range: >= 1 x 10-11 Torr – UHV
Temperature range:
Viton: -20°C to 200°C
Silicone: -50°C to 230°C
Buna: -30°C to 110°C
EVAC metal seal: -270°C to 150°C