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Leader RTJRing Type Joint Gaskets

Leader Ring Type Joint R Oval

Description

Leader ring type joint flange gaskets (RTJ gaskets) are used in applications that involve extreme pressures and high temperatures. All Leader ring type joint gaskets are manufactured in compliance with API-6A and ASME B16.20.

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Product Data SheetMetallic materials

Application

Ring Joint gaskets are widely used between pipeline flanges, valves and pressure vessels in the Oil & Gas industry. High pressure up to 400 bar (pending on flange construction and rating) Style R gaskets are suitable for ASME B16.5 ring joint flanges up to 2500 lbs. In case API 6A type 6B flanges are used, pressure up to 5000 psi can be applied.

Chemical Compatiblity

Corrosion and chemical resistance depend on the selected RTJ gasket material. The pressure and temperature ranges can be found in the Technical Specifications, see table 1.

Delivery Options

Oval shaped RTJ gaskets are available in ring numbers R11 up to R105. Leader is able to produce custom made gaskets according to customer specifications. Common stock materials Soft Iron and SS316(L). Other materials are also available, please to table.

Temperature

Corrosion and chemical resistance depend on the selected RTJ gasket material. The pressure and temperature ranges can be found in the Technical Specifications, see table 1.

Sealing Characteristics

  • Non blow-out type
Technical Data
max Pressure [psi]ASME B16.5 2500 Class
M-value Soft Iron (D) and Soft Steel (S)5,5
M-value Stainless steel6,5
M-value Monel and F56
Y-value Soft Iron (D) and Soft Steel (S) [psi]18000
Y-value Stainless Steel [psi]26000
Y-value Monel and F5 [psi]21800
Gasket required flange roughness [Ra micron]1,6 max.
Gasket required flange roughness [RMS]63 max.
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