例如为了防止二次污染，即使是排污阀也不采用含石棉的密封填料和垫片。

For example, in order to prevent secondary pollution, even the use of sewage is not Valve asbestos packing and gasket sealing.

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现主要产品有：塑料制品、密封垫片、填料三大系列，数百种产品。

Are the main products are: plastic products, gasket, packing three series, and hundreds of kinds of products.

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公司的这款黄铜密封填料接头，包括一块耐腐蚀的丁晴橡胶垫片。

A bronze side seal fill adaptor, which includes a fuel resistant Buna-N gasket.

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