BX Ring Joint Gasket

BX Ring Joint Gasket

> Although similar in style to the octagonal ring joint > BX series can only be used with 6BX flanges > BX rings for higher pressure rating starting at 5,000 lbs, and ending with 20,000 lbs. > Rings can not be re-used.

Product Detail

BX ring type joint gasket

refers to the metal gasket of BX-shaped section by processing metal materials. It is of pressure energized seal in radial direction, 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.

BX ring type joint gasketis

installed inside the ring joint groove of flange face. When the connecting bolt is fastened, it is compressed in axis direction andispressed close to the upper and lower ring joint grooves, which result in the plastic deformation to create the seal. After pressure is raised, ring gasket expandsin radial direction under the force of media pressure. The gasket sticks more tightly to the bevel face of ring joint groove to formself-tightening. However, therise of media pressure will deform the flange and connecting bolt, it will cause the relative separation between the sealingsurfaces, and the sealing ratio ofgaskets is reduced accordingly. BX ring type joint gasket is one kind of pressure energized ring gaskets.


When octagonal type is chosen, the material hardness of the pad should be 15~20HB lower than that of the flange face. It is recommended the pad is not recycled.

Applicable standards

ANSI B16.5-1973 、 JPI-75-15-70 、 GB 699 、 GB1220 、 JB755 、 HG20633-97

BX Ring Joint Gasket Drawings

Main materials parameters

Material Maximum hardness BRINELL Temperature( ℃ ) Abbreviations marker
Brucellosis Rockwell
Soft Iron 90 56 -60~500 D
Low Carbon Steel 120 68 -40~540 S
304SS 160 83 -250~540 304
304LSS 160 83 -250~540 304L
316SS 160 83 -200~815 316
316LSS 160 83 -200~815 316
321SS 160 83 -200~870 321
347SS 160 83 -200~870 347
410SS 170 86 -40~850 410
5Cr-0.5Mo 130 -29 650
Copper 80 -100 315
Aluminum 35 -200 425
Inconel 600 150 -100 1095
Incoloy 825 150 -100 1095
Monel 400 150 -100 760
Titanium 215 -200 540
Nickel 200 - 110 200 760
Hastelloy B2 230 -100 1095
Hastelloy C276 210 -100 1095

Why Choose US

1. Professional

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

4.After service

24 Hours x 7 days after service

5. Factory Price with Samll MOQ

We promise factory low price with small MOQ.

6.Timely Delivery

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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