The product specification
Our blind flanges follow international standards. They work well in high-pressure pipelines, like oil, gas, chemical, and water systems. We offer full blind flange specifications, including size, pressure class, and material. You can choose from standard blind flange sizes or request custom types. API blind flange options are also available.
1.Nominal Pipe Size(NPS)：DN15-DN2000,1/2″-80″
2.Pressure Rating：Class150-Class2500，PN10-PN160
3.Available Material：
①Stainless Steel: 31254, 904/L, 347/H, 317/L, 310S, 309, 316Ti, 321/H, 304/L, 304H, 316/L, 316H
②DP Steel: UNS S31803, S32205, S32750, S32760
③Alloy steel: N04400, N08800, N08810, N08811, N08825, N08020, N08031, N06600, N06625, N08926, N08031, N10276
