Cap No. 19 made of steel Material: steel, black or zinc plated Thread: ISO 7-1 Working pressure: PN 50 Plug No. 20 and hexagon backnut No. 21 upon request Available options Available Options: You may also like… Choose option This product has multiple variants. The options may be chosen on the product page Anaerobic thread locking Choose option This product has multiple variants. The options may be chosen on the product page PTFE sealing tape Choose option This product has multiple variants. The options may be chosen on the product page Pipe nipple, taper thread both ends No. 23 – 1/8″ to 3/4″ Select options Threaded flange EN 1092-1 Typ 13 (DIN 2566)