octagonal gasket ring

Octagonal Gasket ring Product Description   octagonal Gasket ring can bear high pressure and alternating pressure (1500bar). ---If the material is correct, can be used in high temperature (1000°C) and corrosive conditions. ---The precise installation to ensure the reliability of sealing. ---Gasket loading on solid structure. ---Precise control of gasket hardness can be guaranteed with a good seal without damage the flange face. The structure characteristics of Flange Rtj Gasket Ring makes its use in the strict conditions, such as  offshore operations, chemical and petrochemical industry. octagonal gasket ring  octagonal gasket ring octagonal gasket ring   octagonal gasket ring octagonal gasket ring octagonal gasket ring Use Filed Octagonal ring gasket/metal oval gaskets A Ring joint gasket specialized in the application of ring joint face flange. And flush flange is used elliptical metallic ring gasket, octagonal ring gasket is also available. Although the octagonal ring gasket is used preferentially, but an elliptical metal ring pad can be used in flange possible vibration conditions, the heat exchanger industry for example.   octagonal gasket ring structure     octagonal gasket ring NOTE:
1. All 23° surfaces on R and RX gaskets shall have a surface finish no rougher than 1.6µm Ra ( 63 µin RMS ).
2. One pressure-passage hole illustrated in fig.1 < a >. Centerline of hole shall be located at midpoint of dimension “C“.
3. Tolerance on these dimensions is +0, -0.38
4. Tolerance on these dimensions is +0.50, -0
5. Class 720,960, and 2900 flanges to API 6B are obsolete. Data is for information only.
6. Crossover flange connection.
7. A plus tolerance of 0.20 mm for width “A” and height “H ” is permitted, provided the variation in width or height of any ring does not exceed 0.10 mm throughout its entire circumference.   octagonal gasket ring NOTE:
1. All 23° surfaces on BX gaskets shall have a surface finish no rougher than 0.8 µm Ra ( 32 µin RMS ).
2. Radius “ R ” shall be 8 % to 12 % of the gasket height ”H ”. One pressure-passage hole required per gasket on centerline. See fig. 1
3. A plus tolerance of 0.20 mm for width “A” and height “H ” is permitted, provided the variation in width or height of any ring does not exceed 0.10 mm throughout its entire circumference. 
  octagonal gasket ring Main materials specifications  

Material	The maximum hardness		Mark
	Brinell*	RockwellB+
Soft iron	90	56	D
WCB	120	68	S
410SS	170	86	410
304SS	160	83	304
316SS	160	83	316
347SS	160	83	347

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Product Categories : Ring Joint Gasket