Complete sealing gland set for valves, wrench size 27, M 24 thread, -20…150 °C - VVF21.., VXF21.., DN 25...80 - VVF31.., VXF31.., DN 15...80 - VVF40.., VXF40.., DN 15...80 - VXF41.., DN 15...40 - VVF52.., DN 15...40 - VVF43.., VXF43., DN 65…150 (for media < -5 °C) (faulty format) - VVF53.., VXF53.., DN 15…150 (for media < -5 °C) (faulty format) When using valves of the V..F43.. or V..F53.. lines with a stem heating element and a medium temperature of below -5 °C, the stem sealing gland must be replaced.