Product Details
Product Description
Product Description
Standard:| ASME B16.20 | Material Grade:A182 F22 Class1 |
Size:| From R11-R105 | Hardness:Less Than 90BHN |
Shape:| Oval Ring | Pressure:CLASS150-CLASS2500 |
High Light:| Metal RTJ Ring Gasket, Octagon RTJ Ring Gasket, ASME B16.20 RTJ Ring Gasket |
Metal RTJ ring gasket included Octagon ring and oval ring As per ASME B16.20
The metal ring gasket is a solid metal gasket with an octagonal or elliptical cross-sectional shape processed from metal materials, which has a radial self-tightening sealing effect. Therefore, the metal ring gasket is in contact with the inner and outer sides (mainly the outer side) of the trapezoidal groove of the flange by the gasket, and the seal is formed by pressing. Metal ring gasket is used in pipe flanges, valves, pressure vessels, submarine, high-speed joint surface, high temperature and high pressure valve cover and other pressure joint.
Material of Ring Joint Gasket ,Designation,Temperature
Material of Ring Joint Gasket
| Max Hardness
| Designation
| Max Temperature
|
Name
| Standard
| HBS
| HRB
|
Iron ª
| GB/T 9971
| 90
| 56
| D
| 540
|
10
| GB/T 699
| 120
| 68
| S
| 540
|
1Cr5Mo
| JB 4726
| 130
| 72
| F5
| 650
|
0Cr13
| JB 4728 GB/T 1220
| 170
| 86
| 410S
| 650
|
0Cr18Ni9
|
| 160
| 83
| 304
| 700ь
|
00Cr19Ni10
|
| 150
| 80
| 304L
| 450
|
0CR17Ni12Mo2
|
| 160
| 83
| 316
| 700ь
|
00Cr17Ni14Mo2
|
| 150
| 80
| 316L
| 450
|
0Cr18Ni10Ti
|
| 160
| 83
| 321
| 700ь
|
0Cr18Ni11Nb
|
| 160
| 83
| 347
| 700ь
|
When working temperature above 540℃, Please contact with manufacturer
|
Main Features
1)There are a variety of materials and patterns to suit different design and operation requirements,
2)The new flat bottomed grooved flanges are interchangeable and can be supplied within the shortest possible time.
3)Note: the quality of the metal rings should be lower than the flange 15~20 HB, and the old products are not recommended to be reused.
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