... side is straight pipe. DN:15-100mm, W: 0.8-1.2mm , standard: DIN, JIS, material: SUS304,304L,316,316L. press.: ... Material: 304,304L,316, and 316L.2. Connection: double press on the two sides of the raised ring with the ... wall is from 0.8 to 2 mm.5. Double press pipe connection system has been applied at home and abroad ... for everyone. Stainless steel/galvanization carbon steel 90 elbow-press fitting