Style R | |
Style R Oval | Style R Octagonal |
Size/Pressure Class: ½” to 24” : 150 to 2500 ASME B16.20 26” to 36” : 300 to 900 ASME B16.47 Series A 1 ½” to 20” : API 6A Applications: • Used for high pressure applications. Typical Properties: • High integrity seal at high pressures • Suitable for flat and round bottom groove flanges. Interchangeable on modern octagonal type grooved flanges. | Size/Pressure Class: ½” to 24” “ 150 to 2500 ASME B16.20 26” to 36” : 300 to 900 ASME B16.47 Series A 1 ½” to 20” : API 6A Applications: • Used for high pressure applications. Typical Properties: • High integrity seal at high pressures • The octagonal cross section has a higher sealing efficiency than the oval and would be the preferred gasket • Suitable for flat bottom groove flanges |
Style RX | Style BX |
Size/Pressure Class: 1 ½” to 20” : 720 to 5000 API 6A Applications: • Used for high pressure applications. • The Style RX is designed to fit the same groove design as a standard style R making joints interchangeable • The Style RX has an increased height and utilizes the internal system pressure to energize and improve the seal as internal pressure increase • Suitable for flat bottom groove flanges | Size/Pressure Class: 1 11/16” to 30” : 2000 to 20000 API 6A Applications: • The Style BX energised ring type joint is manufactured in accordance with API 6A for use in high pressures. • Style BX ring type joints incorporate a pressure passage hole to allow for pressure equalization each side of the sealing faces. • Style BX is not interchangeable with any other style, and is only suited for API 6BX flanges . |
MAXIMUM HARDNESS | ||||
MATERIAL | UNS NUMBER | BRINELL | ROCKWELL B† | IDENTIFICATION |
Soft Iron | 90 | 56 | D | |
Low Carbon Steel | 120 | 68 | S | |
4–6% Chrome 1/2% Moly | K42544 | 130 | 72 | F5 |
Type 304 Stainless Steel | S30400 | 160 | 83 | S304 |
Type 316 Stainless Steel | S31600 | 160 | 83 | S316 |
Type 347 Stainless Steel | S34700 | 160 | 83 | S347 |
Type 410 Stainless Steel | S41000 | 170 | 86 | S410 |
Titanium Grade 2 | R50400 | |||
Alloy 600 | N06600 | 200 | ||
Alloy 625 | N06625 | 200 | ||
Alloy 800 | N08800 | 200 | ||
Alloy 825 | N08825 | 160 | ||
Hastelloy | N10001 | 200 | ||
Alloy C276 | N10276 | 200 | ||
SMO 254 | S32154 | 180 | ||
Zeron 100 | 200 | |||
Super Duplex | S31803 |