ISO-KF · SEALING COMPONENTS

ISO-KF Centering Ring with Fine Filter

ZEROVAC ISO-KF centering rings with fine filter combine flange alignment and FPM vacuum sealing with a 0.004 mm AISI 316L filter for vacuum lines requiring fine particle control.

Connection Standard
ISO-KF
Nominal Sizes
DN 10 / 16 / 25 / 40 / 50
Inner Ring
AISI 303 / EN 1.4305
Filter
AISI 316L · 0.004 mm (4 µm)
Seal
FPM (Viton) O-ring
TECHNICAL DRAWING · DIMENSIONS · ORDER CODES

Fine-filter dimensions and ordering codes

A, B, C and D are shown in the cross-section drawing. All dimensions are in millimetres.

ISO-KF centering ring with fine filter cross-section drawing
The cross-section identifies the fine filter, retaining ring and published dimensions A, B, C and D.

Scroll horizontally to review every published dimension and order code.

ISO-KFA (mm)B (mm)C (mm)D (mm)Order Code
DN 1012983.9211096
DN 16171383.9211097
DN 25262283.9211098
DN 404135.583.9211099
DN 505245.783.9211100
Pore size: 0.004 mm (4 µm)Retaining ring: Stainless steel / EN 1.4122Seal: FPM (Viton)
INSTALLATION NOTE

Install the ring with ISO-KF flanges of the correct DN size and a suitable clamp; protect the fine-filter surface from mechanical damage during assembly.