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Style R Spiral Wound Gasket
The ring type joint was initially developed for use in the petroleum industry, where high pressure/temperature applications necessitated the need for a high integrity seal. They are mainly used in the oil field on drilling and completion equipment. Ring type joints are also commonly used on valves and pipework assemblies, along with some high integrity pressure vessel joints.
The Style R ring type joint is manufactured in accordance with API 6A and ASME B 16.20, to suit API 6B and ASME B 16.5 flanges. Style R ring type joints are manufactured in both oval and octagonal configurations. Both styles are interchangeable on the modern flat bottom groove, however only the oval style can be used in the old type round bottom groove.
- High pressure and high temperature applications
- Raised face and flat face flanges
- Steam
- Oil
- Hydrocarbons
- General chemicals
- Soft Iron
- Low Carbon Steel
- 4-6% Chrome 1/2% Moly
- 304 SS
- 316 SS
- 347 SS
- 410 SS
- Titanium Grade 2
- Alloy 600
- Alloy 625
- Alloy 800
- Alloy 825
- Hastelloy
- Alloy C276
- Style R ring type joints are designed to seal pressure up to 6,250 psi in accordance with ASME B16.5 pressure ratings and up to 5,000 psi in accordance with API 6A pressure ratings.
- ASME B16.20, API 601, and other relevant industry standards.
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