The WIKA model 910.11 shut-off valve is use for pressure measuring instruments. Shut-off valves with a test connection are intended for the simultaneous connection of operating pressure measuring instruments and test connection pressure gauges to the pressure pipeline. With shut-off valves per DIN 16271, the test pivot is sealed by a lens-type sealing ring and a screw cap placed on top
with valves per DIN16272, the test piot is separately isolated by an additional valve spindle. Shut-off valves are silicone-free.
Shut-off valve without test connection per DIN 16270 (with vent screw) Shut-off valve with test connection per DIN 16271 (with vent screw) Shut-off valve with separate isolating test connection per DIN 16272 Nominal pressures to 400 bar