... 1.Certificate:ISO 9001:2000 2.Material:stainless steel 3. Sizes:1/2"-80". slip on flange/weld neck flange/plate flange1. Product ... size: 1/2"--80" 15mm--2000mm2. Pressure ... :150LBS--2500LBS3. Materials: 316L,316Ti,304L,321,321H,A105,Rst37.2,C22.8 etc.4. Standard: ANSI, ASME,DIN,JPI,JIS ...