RX Ring Joint Gasket
RXRing Joint Gasket refers to the metal gasket of RX-shaped section by processing metal materials.
It is of pressure energized seal in radial direction, and the pressure is up to 700bar. When the gasket
is used, the outside seal face is contacted with the flange firstly, and the high system pressure will
produce the high base stress. RX Ring Joint Gasket is developed and improved in the basis of "R" series
metal ring gasket and is one special kind of octagonal metal ring gaskets. It has good sealing as the
contact between gasket and the ring joint faces, especially the outside face, and is pressed tightly to
keep good sealing performance.
OVAL AND OCTAGONAL Ring gasket
Ring Joint Gaskets have an oval cross section and an octagonal cross section. These basic shapes are used in
pressures up to 10,000 psi. The dimensions are standardized and require specially grooved flanges. octagonal
cross section has a higher sealing efficiency than the oval and would be the preferred gasket. However, only the
oval cross sections can be used in the old type round bottom groove. The newer flat bottom groove design will
accept either the oval or the octagonal cross section. For the sealing surfaces on the ring joint grooves must be
smoothly finished to 63 micro inches and to be free of objectionable ridges, tool or chatter marks. They seal by
an initial line contact or a edging action as the compressive forces are applied. The hardness of the ring should
always be less than the hardness of the flanges to prevent flange deformation.
Dimensions for API ring joint gaskets and grooves are covered in ASME B16.20 and API6A
KAXITE stocks a wide range of sizes and materials ready for immediate shipment from R11 to R105. Stock
materials include large variety of metals
BX Ring gasket
The BX ring gasket differs from the standard oval or octagonal shape since it is square in cross section and tapers
in each corner. They can only be used in API 6BX flanges. BX is used at pressures up to 15,000 psi.
Standard sizes are stocked in low carbon steel, 304 and 316.
RX Ring gasket
RX ring gaskets are similar in shape to the standard octagonal ring joint gasket but their cross section is designed
to take advantage of the contained fluid pressure in effecting a seal. They are both made to API 6A and interchangeable
with standard octagonal rings for oil field drilling and production applications in API 6B flanges. RX is used at pressures
up to 15,000 psi. Standard sizes are stocked in low carbon steel, 304 and 316.
SRX AND SBXRING GASKET
Type SRX and SBX gaskets per API 17D for Subsea Wellhead and Tree Equipment are vented to prevent pressure
lock when connections are made up underwater. They have identical measurements to RX and BX ring gaskets with
the same numberdesignation, and they will fit the same corresponding connectors. The "S" indicates these gaskets
have cross-drilled holes,as fluid entrapment in the ring groove can interfere with proper make up underwater (subsea).
With the vent hole, any water trapped between a ring groove bottom and the sealing area of the gasket can escape
to the equipment I.D. bore. Material per spec is defined as a corrosion resistant alloy.
Why Choose US
We provide OEM, ODM of Ring joint gaskets for our customers worldwide, highly praised by our customers
2. High quality guarantee.
We strictly carry out ISO quality management system for all production process and raw material incoming.
3. High Quality Material Quarantee
All of our products are high quality material according ASTM
24 Hours x 7 days after service
5. Factory Price with Samll MOQ
We promise factory low price with small MOQ.
For prototype tooling sample lead time 3~7 days
For production tooling lead time 10-15 days
For order 7-15 days according to quantity
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