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| Categories | Octagonal Ring Joint Gasket |
|---|---|
| Brand Name: | Wenzhou huayu seals Co. LTD |
| Model Number: | oct RTJ gasket |
| Certification: | ISO9001 |
| Place of Origin: | WENZHOU CHINA |
| MOQ: | 10 |
| Price: | Negotiable |
| Payment Terms: | L/C, T/T |
| Supply Ability: | 100000pcs/month |
| Delivery Time: | 7 work days |
| Packaging Details: | Bulk packaged or Customize |
| stainless steel: | seals ring |
| api: | gasket |
| wellhead: | ring joint gasket |
| Company Info. |
| Wenzhou Jingwei Seals Co., Ltd |
| Verified Supplier |
| View Contact Details |
| Product List |
Type R Oval & Octagonal
–NB1/2″ to 24″ Class Rating 150 to 2500 ASME B16.20
–NB26″ to 36″ Class 300 to 900 ASME B16.20 Series A
–NB1/2″ to 20″ Class API 6A
The original ring joint design
R Oval & Octagonal gasket ring Can be used on standard flat bottomed groove flanges and
older round bottomed groove flanges
| Common Materials | |||
| Material | Brinell Hardness | Temperature Limitations | Identification |
| Soft Iron | 90 | -60 to +400 °C | D |
| Low carbon steel | 120 | -40 to +500°C | S |
| 4%-6% Cr ½% Mo:F5 | 130 | -125 to +500°C | F5 |
| Stainless steel 304/304L | 160 | -250 to +650°C | S304 or 304L |
| Stainless steel 316/316L | 160 | -196 to +800°C | S316 or 316L |
| Stainless steel 321 | 160 | -250 to +870°C | S321 |
| Stainless steel 347 | 160 | -250 to +870°C | S347 |
| Stainless steel 410 | 170 | -20 to +500°C | S410 |
| Inconel 625 | – | 1000°C | 625 |
| Incoloy 825 | – | 1000°C | 825 |
| Hastelloy C-276 | – | 1000°C | C-276 |
| Duplex | – | 800°C | S31803 |
| Titanium | – | 540°C | TI |
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