標準編號:	NB/T 47025-2012
中文名稱:	纏繞墊片
英文名稱:	Spiral wound gaskets
行業分類:	NB    能源行業標準
發布機構:	國家能源局
發布日期:	2012-11-9
實施日期:	2013-3-1
標準狀態:	valid
替代舊標準:	JB/T 4705-2000 纏繞墊片
翻譯語言:	英文
文件格式:	PDF
中文字符數:	4,000 字
翻譯價格(元):	280.0
交付時間:	付款后 1 個工作日

1 Scope This standard specifies the dimension and technical requirements of spiral wound gaskets for pressure vessel flanges. This standard is applicable to spiral wound gaskets for the "B-type Socket-weld Flange" (NB/T 47022) and "Welding Neck Flange" (NB/T 47023). Note: the use of materials containing asbestos shall comply with requirements of related laws and regulations. During the production and use of gaskets containing asbestos, protective measures shall be taken to avoid any personal health hazard. 2 Normative References The following documents are indispensable for the application of this document. For dated references, only the dated edition applies. For undated references, the latest edition (including all the amendments) of the normative document applies.

Foreword I 1 Scope 1 2 Normative References 1 3 Code, Designation and Designation Example 1 4 Structural Type and Dimension 2 5 Limit Deviation of Gasket Dimension 5 6 Other Technical Requirements for Gaskets 5