Industry News

Main performance parameters of metal-graphite spiral wound gaskets and domestic technical standards of metal spiral wound gaskets

2022-05-30

Your old friend NINGBO SHINE SEALING MATERIAL CO., LTD. will introduce to you today the main performance parameters of metal-graphite spiral wound gaskets and the domestic technical standards of metal spiral wound gaskets.
Our series of high-quality products represented by Special Shape Spiral Wound Gasket have become industry models, and buyers from all over the world are welcome to wholesale and buy.
Main performance parameters of metal graphite spiral wound gasket:
Spiral wound gasket coefficient
m=2.5-4
Use pressure of spiral wound gasket
≤25MPa
Spiral wound gasket operating temperature
-196℃-700℃(not higher than 600℃ in oxidizing medium)
Minimum preload specific pressure of spiral wound gasket
y=68MPa
The domestic technical standards for metal wound gaskets are:

HG/T20610-2009 Spiral wound gaskets for steel pipe flanges European system of the Ministry of Chemical Industry

HG/T20631-2009 Spiral wound gaskets for steel pipe flanges, the American system of the Ministry of Chemical Industry

GB/T4622.2-97 Spiral wound gaskets Dimensions of gaskets for pipe flanges National standard