Cast alloy intel, iso 9001 certified company offers a complete range of metal parts, which are used in qvf, schott, xstrong type glass assemblies to manufacture corrosive chemicals, pesticides, nac/sac plants, pharmaceuticals & in labs. As part of these metal parts, the company offers different types of flanges. Backing flanges, offered in sizes from nb 100 to nb 450 are used to connect glass ends. Adapter backing flanges are available with different bolt configuration and pcd and used with glass ends to connect glass to non-glass ends. Bellow flanges are used with ptfe bellows to connect the bellows and the glass. Adapter bellow flanges also have various bolt configuration and pcd and used with teflon bellows to connect the bellows to non-glass ends. These flanges are fabricated from cast iron to is 210 grade 20 duly machined. They can also be epoxy coated. These flanges can also be manufactured from aluminum alloys, stainless steels or plastics.