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Bonnet Seal Ring

Bonnet Seal Ring

Features
1.Valve bonnet seal ring is the type of mechanical compression, that is to say it is sealed only by the tightening torque of flanged bolt.
2.Valve bonnet seal ring is used in 6B flanges with standard flanged connections, it has the face seal with good seal performance, but it should have high accuracy.
3.Valve bonnet seal ring can be reused in the field in the case of the appearance with no damage.
4.The hardness of valve bonnet seal ring must be15~20HB lower than the mating flange face hardness.
5.The seal faces of valve bonnet seal ring, including the bevel faces, shouldn't have the scratches, knock marks, cracks and defects. Its surface roughness shouldn't be larger than Ra1.6.

Description

Performance Parameters

gasket factor

m=5.50-6.50

gasket using pressure

<=42MPa

gasket using temperature

-196oC-1000oC

minimum pre-tightening pressure

y=126.6-182.8MPa

Materials

Soft Iron,Low C/S,ss410,ss304,ss316,ss347,F5,F11,Copper,Aluminum,Inconel 600,Inconel 625,Incoloy 800,Incoloy 825,Monel 400,Titanium,Nikel 200,Hastelloy C276,Zirconium702

Application

The gaskets are primarily used in the oil, gas, petrochemical and offshore industries. They are also commonly used on valves, pipe-work assemblies and vessel joints and are used to seal flanged connections subject to high pressures and temperatures.

Technical Standards

It can provide any standard and non-standard sizes, including the standards of API 6A, API 17D, ASME B16.20, DIN 2693-67, JPI-7S-23-72 and other standards.


The circular ring joint bonnet seal has proven to be the best bolted high pressure bonnet joint available.


More informations, please click the "PDF" download or contact with us.
Click here to download the Jayu Bonnet Seal Ring product guide pdf.

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