태뽕이의 자기계발 & 경력개발

Xylan Coated Bolts Xylan 1010, 1070, 1014, 1052 and now 1424 have been used as bolt coatings for almost a quarter century now. Most major Oil and Chemical Companies recognizing that maintenance is a huge issue have made coated bolt specifications for bolted high pressure flange connections. The various properties on the Xylan give excellent make up and brake out torque and reduce the need for hi..

What is DN? DN stands for ‘Diameter Nominal’. Put simply, it is a rough translation of mm from imperial sizes, assuming that an inch is 25mm. We refer to a 12″ flange as DN300, when in fact it is 304mm. Please use the table below for your reference and if you have any other questions, please ask the Just Valves team. ½” DN15 ¾” DN20 1″ DN25 1¼” DN32 1½” DN40 2″ DN50 2½” DN65 3″ DN80 4″ DN100 5″ ..