Ring Gaskets

All of our Ring Joint Gaskets are manufactured to the worldwide standards set by the American Petroleum Institute, as well as the American Society of Mechanical Engineers. Our Ring Joint Gaskets are readily available in different cross sections such as oval and octagonal, and are precision machined and rated up to 20,000 PSI.

We offer a selection of commonly required sizes of R Series, RX Series and BX Series in a variety of materials including low-carbon steel, stainless steel

R-Series Gasket

RX-Series Gasket

BX-Series Gasket

R-Series Gasket

Hardness Chart

RING GASKET MATERIALBRINELLROCKWELL BIDENTIFICATION MARK
Low Carbon Steel12068S
316 SS16083S 316

ASME B16.5/B16.20

RING GROOVE SIZEFLANGE SIZEPRESSURE RATINGLOW CARBON STEEL316 SS
R-161″300/600/900/1,500RG501016RG502016
R-181″
1 1/4″		2,500
300/600/900/1,500		RG501018
RG501018		RG502018
RG502018
R-201 1/2″300/600/900/1,500RG501020RG502020
R-231 1/2″
2″		2,500
300/600		RG501023
RG501023		RG502023
RG502023
R-242″900/1,500RG501024RG502024
R-262″2,500RG501026RG502026
R-313″300/600/900RG501031RG502031
R-323″2,500RG501032RG502032
R-353″1,500RG501035RG502035
* Larger sizes available upon request.

API 6A

RING GROOVE SIZEFLANGE SIZEPRESSURE RATINGLOW CARBON STEEL316 SS
R-232 1/16″2,000RG501023RG502023
R-242 1/16″3,000/5,000RG501024RG502024
R-262 9/16″2,000RG501026RG502026
R-272 9/16″3,000/5,000RG501027RG502027
R-313 1/8″2,000/3,000RG501031RG502031
R-353 1/8″5,000RG501035RG502035
R-374 1/16″2,000/3,000RG501037RG502037
R-394 1/16″5,000RG501039RG502039
R-415 1/8″2,000/3,000RG501041RG502041
R-445 1/8″5,000RG501044RG502044
R-457 1/16″2,000/3,000RG501045RG502045
R-45/46*7 1/16″2,000/3,000RG501456RG502456
R-467 1/16″5,000RG501046RG502046
R-499″2,000/3,000RG501049RG502049
R-509″5,000RG501050RG502050
R-5311″2,000/3,000RG501053RG502053
R-5411″5,000RG501054RG502054
R-5713 5/8″2,000/3,000RG501057RG502057
R-6616 3/4″3,000RG501066RG502066
R-7321 1/4″2,000RG501073RG502073
R-7420 3/4″3,000RG501074RG502074
*Non API transition gasket.

RX SERIES

Hardness Chart

RING GASKET MATERIALBRINELLROCKWELL BIDENTIFICATION MARK
Low Carbon Steel12068S
316 SS16083S 316
RING GROOVE SIZEFLANGE SIZEPRESSURE RATINGLOW CABON STEEL316 SS
RX-232 1/16″2,000RG511023RG512023
RX-242 1/16″3,000/5,000RG511024RG512024
RX-262 9/16″2,000RG511026RG512026
RX-272 9/16″3,000/5,000RG511027RG512027
RX-313 1/8″2,000/3,000RG511031RG512031
RX-353 1/8″5,000RG511035RG512035
RX-374 1/16″2,000/3,000RG511037RG512037
RX-394 1/16″5,000RG511039RG512039
RX-415 1/8″2,000/3,000RG511041RG512041
RX-457 1/16″2,000/3,000RG511045RG512045
RX-45/46*7 1/16″2,000/3,000 to 5,000RG511456RG512456
RX-467 1/16″5,000RG511046RG512046
RX-499″2,000/3,000RG511049RG512049
RX-509″5,000RG511050RG512050
RX-5311″2,000/3,000RG511053RG512053
RX-5411″5,000RG511054RG512054
RX-5713 5/8″2,000/3,000RG511057RG512057
RX-7321 1/4″2,000RG511073RG512073
RX-7420-3/4″3,000RG511074RG512074
* Non API transition gasket.

ASME B16.5 RX gaskets available upon request.

BX SERIES

Hardness Chart

RING GASKET MATERIALBRINELLROCKWELL BIDENTIFICATION MARK
Low Carbon Steel12068S
316 SS16083S 316

API 6A/ASME B16.20 Ring Joint Gaskets

RING GROOVE SIZEFLANGE SIZEPRESSURE RATINGLOW CARBON STEEL316 SS
BX-150*1 11/16″10,000/15,000RG801150RG802150
BX-1511 13/16″10,000/15,000/20,000RG801151RG802151
BX-1522 1/16″10,000/15,000/20,000RG801152RG802152
BX-1532 9/16″10,000/15,000/20,000RG801153RG802153
BX-1543 1/16″10,000/15,000/20,000RG801154RG802154
BX-1554 1/16″10,000/15,000/20,000RG801155RG802155
BX-1567 1/16″10,000/15,000/20,000RG801156RG802156
BX-1579″10,000/15,000/20,000RG801157RG802157
BX-15811″10,000/15,000/20,000RG801158RG802158
BX-15913 5/8″10,000/15,000/20,000RG801159RG802159
BX-16013 5/8″5,000RG801160RG802160
BX-16216 3/4″5,000/10,000RG801162RG802162
BX-16318 3/4″5,000RG801163RG802163
BX-16418 3/4″10,000/15,000RG801164RG802164
BX-16521 1/4″5,000RG801165RG802165
BX-169**5 1/8″10,000/15,000RG801169RG802169
BX-1718 9/16″10,000/15,000RG801171RG802171
* BX-150 Pressure rating as per ASME B16.20 only.

**BX-169 15,000 as per API 6A only.

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