Ring Type Joint Gaskets
Ring Type Joint Gaskets
Ring Gaskets
At Genersi, manufacturing of Ring Gaskets is done as per international standards such as API 6A, API 17D and ASME B16.20. We produce Ring gaskets as per user specifications as well. Traceability is maintained right from the raw material until the final production.
Ring Gaskets are of three types which are used in High temperature and high-pressure applications where API 6B or API 6BX or ASME B16.50 flanges are used. Those are R, RX and BX types.
R Type of Ring Gasket
R type gaskets are of two shapes which are Oval and Oct as shown in Figure 1.0 and
1.1. These types have matching pitch diameter to the flange groove they belong to. The octagonal type has a superior sealing capacity than the other. The oval type will only suit the round bottom groove of the flange; however, both the types of R type Ring gasket will fit in flat bottom grooves. As per the international flange standards these gaskets can withstand between 5000 psi to 6250 psi.
RX Type of Ring Gasket
RX type ring gasket has an exclusive self-sealing action. The outside bevels of the ring make the initial contact with the groove as the flanges are brought together with the flange bolting. This provides initial sealing of the joint with the gasket seating against the groove surfaces. During pressurization the gasket loading increases against the groove. Type RX ring gaskets as specified in ASME B16.20 and API 6A are completely interchangeable with the oval and octagonal series of identical reference numbers and are used in the same flange grooves. The cross section of RX type Ring Gasket is as shown in Figure 1.2.
