How to select the ideal flange for piping system?

first and foremost thing that you need to consider is suitable flange type. however, it is not the only factor. one of the determining characteristics is type of facing. face type also decides about gaskets needed.

different face types are

flat facing

as the name suggests, surface of this type is even to accommodate gasket in its entirety

raised facing

it has elevation around its bore to fit a circle gasket inside it.

male and female

it contains complementing elements where one part has grooves while another contains elevated portions both of which fit into each other. female part retains gasket.

ring joint type

used in extreme conditions, this mainly lodges gasket in its groove to create a seal.

tongue and groove

as name implies, such facing has a grooved and a raised part which functions as firm retainer when seated into each other.

they are further categorized as serrated and smooth flanges.

choosing right type of facing from flange supplier is essential for purpose of impeccable gasket selection and hence the seal.