RM series WELD RING GASKET / LIP SEAL

Weld ring gasket is a welded gasket which is processed to metal based on special design. It is a gasket welded to the gasket and flange, so it is characterized by no leakage of fluid.

Specification

RM-1 It is a standard type in the weld ring gasket. 
It is mainly used for cases where the space between the flanges is narrow. 
Gasket thickness: 4 mm T (1 piece) 
Number of re-welding (reuse): ~ 4 times * It varies depending on the condition. 
Allowable surface tolerance: ~ 0.3 mm
RM-2 It is a weld ring gasket that can weld construction from the gasket outer diameter side. 
A space that can secure the space between the flanges is necessary. 
Number of re-welding (reuse): ~ 4 times * It depends on condition. 
Allowable surface tolerance: ~ 0.1 mm
RM-3 Like the RM – 2, it is a weld ring gasket that can be welded from the outer diameter side of the gasket. 
It 
is used when there is temperature fluctuation or pressure fluctuation under operating conditions by providing a specially designed membrane in the gasket . 
Number of re-welds (reuse): ~ 2 times * It depends on the condition. 
Allowable surface tolerance: ~ 0.5 mm
RM-4 As well as RM – 1, weld ring gasket welded from the inner diameter side of the gasket. 
By providing a specially designed membrane in the gasket, it 
is ideal for applications with large temperature fluctuations and pressure fluctuations under operating conditions and flanges with large caliber. 
Moreover, compared to the membrane of RM – 3, it can cope with larger interplanar fluctuations, and it 
is characterized by being easily opened with a grinder etc when opened. 
Gasket thickness: 15 mm T (1 piece) 
Number of re-welding (reuse): ~ 3 times * It varies depending on the condition. 
Allowable surface tolerance: ~ 4.0 mm
RM-5 RM – 
5 is a weld ring gasket that welds the outer diameter side of the gasket to the weld ring gasket that welds the inner diameter side of the gasket. 
Like the RM – 4, by providing a specially designed membrane in the gasket, it 
is ideal for applications with large temperature fluctuations and pressure fluctuations under operating conditions and flanges with large caliber. 
In addition to being able to respond to larger interplanar variations than other membranes, it
is characterized in that it can be opened easily with a grinder etc. when opened. 
Gasket thickness: 15 mm T (1 piece) 
Number of re-welding (reuse): ~ 3 times * It varies depending on the condition. 
Allowable surface tolerance: ~ 4.0 mm
Notes It is selected with the same material as the maximum diameter φ 4000 mm, piping and flange. 
Regarding the number of re-welding and inter-plane variation allowance, it is a standard based on actual results. 
It depends on the state after the gasket is released and the driving situation. 
For specifications, materials, design etc. Please contact our person in charge.

Additional information

Application

Applications with large temperature fluctuation, pressure fluctuation, vibration, and interplanar variation

Specialty

Because it is a gasket to be welded and attached, no fluid leaks at all.

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