Metal graphite spiral wound gasket

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This product is made by selecting the corresponding material to process as per the customer’s requirements. There are four types such as basic type, with inner ring , with outer ring , with inner and outer ring. We also can make according to related standard or customer’s requirements.

Main usage: Used in electric-power factory, nuclear power factory, chemical industry, petrochemical, refinery, boiler , flange attachment point and other domains.

The characteristic: It has the good recovery function and particularly is more obvious when the gasket receives the fluctuation of the system pressure and temperature, The application temperature scope is in - 200℃~+1000℃, and can maintain the reliable seal effect under the 400Bar high pressure.

Size：

There are two types of standard type and non-standard type, also we can make as per customers’ requirements.

Specifications:

Compressibility rate	18~30%
Recovery rate	≥17
Seal divulging rate	＜1.0g×10-3 cm3/s

Q:New solar productsI would like to know the new type of solar energy production enterprises and the name, product performance and parameters.: Their idea is to paint more than two kinds of dye in a certain proportion, and paint it on a special glass window. These dyes can absorb different wavelengths of sunlight, and then through the glass window to concentrate sunlight on the edge of the window solar cells. Solar cells convert light energy into electrical energy.

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Q:What is the future of solar power: The roof of photovoltaic power generation is less than 2 million monthly sales tax, in accordance with the provisions of the national taxation policy, power users need to provide sales invoices to the power supply enterprise, the buyer also need invoice offset the cost, and the personal power does not have the qualification of business owners, led by invoices complicated procedures. More than 20 thousand of the tax can not get the invoice, it increases the difficulty of the sales of power generation households, is not conducive to promotion. The State Administration of Taxation issued, will reduce the tax burden on household electricity." According to the State Administration of taxation documents, since July 1, 2014, the national Power Grid Corp to buy power products distributed photovoltaic power generation project, by the national Power Grid Corp invoices, monthly household electricity generating sales of more than 20 thousand products, owned by the national grid enterprises in accordance with the taxable amount of the 50% generation of vat. The monthly sales of less than 20 thousand yuan may be exempt from vat. According to the State Administration of taxation policy released last year, from October 1, 2013 to December 2015 3l, according to the 3% levy rate calculation. In Takamatsu as an example, if a month sales of 30 thousand, that he should pay the tax is 30 thousand x 3% x 50%=450 yuan.

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Q:Is there any water in the solar energy to water?: Yes, but it's best not to add water during the day

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