This document provides information on the performance parameters and certifications of the Type 441 and 442 DIN standard safety valves LWN 462.01-D and LWN 482.01-D, including certification numbers and discharge coefficients for Europe, Germany, the United States, Canada, China, and Russia.
This document provides information on the construction and materials of the safety valves Type 441 and 442 DIN according to the LWN 462.01-D and LWN 462.02-D standards.