R105 Octagon Metal RTJ Ring Gasket ASME B16.20 90BHN

Product Details

Product Description

Product Description
Standard:Material Grade:Size:Hardness:Shape:Pressure:High Light:

ASME B16.20	A182 F22 Class1
From R11-R105	Less Than 90BHN
Oval Ring	CLASS150-CLASS2500
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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