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API Ring Joint Type Gasket Product number:KXT 860 Quick Overview: API ring Joint gaskets come in two basic types, an oval cross section (Style 377) and an octagonal cross section (Style 388). These basic shapes are used in pressures up to 10,000 psi. The dimensions are standardized and require specially grooved flanges. Product Description

API RING JOINT GASKETS 

 Kaxite manufactures and supplies a large variety of ring joint gaskets. The RTJ standard

sizegaskets are manufactured in accordance to API-6A and ASME B16.20 specifications.

Kaxite is licensed bythe American Petroleum Institute (API) as a level 4 high quality rating

supplier.

OVAL AND OCTAGONAL Ring gasket

Ring Joint Gasketshave 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

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