GRM Flow Products is a supplier of high quality ring joint gaskets for high pressure and temperature service conditions. These gaskets are widely used in Refineries, Petrochemical Industries, drilling well head equipment, Pressure Vessels, valves, Christmas Tree valves and Pipe lines. Our ring joint gaskets are strictly manufactured as per API-6A and ASME B16.20 specification.
The oval cross section R Series are available in low carbon steel, 316 stainless steel and rubber coated. R Series ring joint gaskets are used for pressures up to 5,000 PSI.
| Ring Groove Size | Flange Size | Pressure Rating | Low Carbon Steel | 316 SS |
|---|---|---|---|---|
| R-16 | 1" | 300/600/900/1,500 | RG501016 | RG502016 |
| R-18 | 1" 1 1/4" | 2,500 300/600/900/1,500 | RG501018 RG501018 | RG502018 RG502018 |
| R-20 | 1 1/2" | 300/600/900/1,500 | RG501020 | RG502020 |
| R-23 | 1 1/2" 2" | 2,500 300/600 | RG501023 RG501023 | RG502023 RG502023 |
| R-24 | 2" | 900/1,500 | RG501024 | RG502024 |
| R-26 | 2" | 2,500 | RG501026 | RG502026 |
| R-31 | 3" | 300/600/900 | RG501031 | RG502031 |
| R-32 | 3" | 2,500 | RG501032 | RG502032 |
| R-35 | 3" | 1,500 | RG501035 | RG502035 |
| Ring Groove Size | Flange Size | Pressure Rating | Low Carbon Steel | 316 SS |
|---|---|---|---|---|
| R-23 | 2 1/16" | 2,000 | RG501023 | RG502023 |
| R-24 | 2 1/16" | 3,000/5,000 | RG501024 | RG502024 |
| R-26 | 2 9/16" | 2,000 | RG501026 | RG502026 |
| R-27 | 2 9/16" | 3,000/5,000 | RG501027 | RG502027 |
| R-31 | 3 1/8" | 2,000/3,000 | RG501031 | RG502031 |
| R-35 | 3 1/8" | 5,000 | RG501035 | RG502035 |
| R-37 | 4 1/16" | 2,000/3,000 | RG501037 | RG502037 |
| R-39 | 4 1/16" | 5,000 | RG501039 | RG502039 |
| R-41 | 5 1/8" | 2,000/3,000 | RG501041 | RG502041 |
| R-44 | 5 1/8" | 5,000 | RG501044 | RG502044 |
| R-45 | 7 1/16" | 2,000/3,000 | RG501045 | RG502045 |
| R-45/46 | 7 1/16" | 2,000/3,000 to 5,000 | RG501456 | RG502456 |
| R-46 | 7 1/16" | 5,000 | RG501046 | RG502046 |
| R-49 | 9" | 2,000/3,000 | RG501049 | RG502049 |
| R-50 | 9" | 5,000 | RG501050 | RG502050 |
| R-53 | 11" | 2,000/3,000 | RG501053 | RG502053 |
| R-54 | 11" | 5,000 | RG501054 | RG502054 |
| R-57 | 13 5/8" | 2,000/3,000 | RG501057 | RG502057 |
| R-66 | 16 3/4" | 3,000 | RG501066 | RG502066 |
| R-73 | 21 1/4" | 2,000 | RG501073 | RG502073 |
| R-74 | 20 3/4" | 3,000 | RG501074 | RG502074 |
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