Tel:13915776298
Chinese

Nuclear seal

Location:Home  >  Nuclear seal

Nuclear grade graphite spiral wound gasket

Time:2020-06-11 浏览次数:3143

核级石墨金属缠绕垫片.jpg


Nuclear grade graphite metal spiral wound gasket is a kind of gasket made of special V-section metal belt and nuclear grade graphite filler material, which has excellent rebound performance and continuous and reliable sealing performance.

Product characteristics:

        •  Excellent mechanical and sealing properties
        •  Wide range of working conditions, applicable to temperature from ultra-low temperature to high temperature, applicable to high, medium, low pressure and vacuum conditions with pressure rating
        •  The medium has strong adaptability and can cope with various corrosive media through different material combinations
        •  Convenient installation, suitable for different types of flange, and relatively low requirements for flange sealing surface accuracy
        •  Established products have mature technology and stable quality, and can be customized flexibly according to customer requirements

 

Performance parameters:

PerformanceParameters
working temperature
Oxidizing medium
:- 200 ~ + 650℃
Continuous operating temperature
: ≤500℃
Non oxidizing media (e.g. steam): ≤650℃
Maximum working pressure30 MPa    (It can not exist at the same time with the maximum adaptive temperature)
Applicable mediumSuitable for any environment other than strong oxidation medium
Raw materialFlexible graphite + stainless steel
Metallic materials304、304L 、316、316L、Nickel based alloy


Application scenario: it is applicable to the sealing of equipment and pipeline flanges in nuclear power, chemical industry, oil refining, petrochemical, metallurgy, ship, energy and other industrial sectors. It is applied to nuclear island, conventional island and BOP pipeline of nuclear power unit, including the world's first "hualong-1" and ERP unit.