| Sign In | Join Free | My benadorassociates.com | 
              
  | 
      
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
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 | 
| 
                                             | 
                
                        Wellhead RTJ Gasket Preferred Choice For API Compliant Operations Images |