D-Line series

Design

Double-eccentric seat geometry
for low friction, reduced torque, and long service life

Design types

Wafer · Lug · Double Flange
ISO 5211 direct mounting

Nominal sizes

DN50 to DN600

Operating pressure

Up to 50 bar—depending on nominal size and design

Temperature range

−55 °C to +325 °C
Special versions for extended temperature ranges

Sealing systems

R-PTFE · Fire Safe · Metal-to-Metal

Leakage

Up to Leakage Rate A
Metal-to-Metal: Leakage Rate C

Approvals

SIL 2 / SIL 3 · ATEX · Fire Safe · TA-Luft · Marine