《DLT695-1999-电站钢制对焊管件》.pdf

《《DLT695-1999-电站钢制对焊管件》.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、电站钢制对焊管件DL/T695-1999目次前言····································，·······························································⋯2331范围···············································································，···············一2342引用标准··································，················

2、···，········.·⋯⋯，..·····.....·····⋯⋯2343定义··························································································⋯⋯2354分类与代号····································································.········.·⋯⋯，二2365尺寸系列和公差············································。····

3、·····················.·····⋯⋯2366技术要求···································，········，···················。······················⋯⋯2377试验························································································⋯⋯2408检验··，·······················································

4、······························。··⋯⋯2409标志及打印··················································································⋯⋯24210产品合格证·····、·····、、·、、、···、、、、、······、··、·····、··、·······、········、·········、············⋯24311包装要求···························，···························

5、······························⋯⋯243附录A(标准的附录)接管尺寸系列表················································，····⋯⋯244附录B(标准的附录)各种管件尺寸系列·······························，················⋯⋯245附录C(标准的附录)尺寸偏差和形位公差··········································⋯⋯256附录D(标准的附录)管件检验项目·······················

6、··················‘·············⋯⋯257附录E(标准的附录)标准的用词说明···············································，···⋯⋯258附录F(提示的附录)火电厂通常采用的管子及其偏差要求····························⋯258附录G(提示的附录)火电厂锻制、焊制三通尺寸推荐表······························⋯⋯260附录H(提示的附录)火电厂热压三通尺寸推荐表····································

7、····⋯262232前言本标准是根据原电力工业部技综「1996]51号文“关于下达19%年电力行业标准制定、修订计划项目的通知”的安排编制的，本标准在编制的过程中既考虑了国内电站管件制造厂的实际生产水平，又尽可能多地采用国际先进技术和国内可以达到的较高标准，以保证电站钢制管件生产产品的高质量、规范化和电站运行的可靠性。目前已经有GB12459《钢制无缝对焊管件》、GB/1'13401《钢板制无缝管件》、GB/I'14383《锻钢制承插焊管件》和GB/1'14626《锻钢制螺纹管件》等新颁国家标准，以及近期电力工业部的部颁标准DL/T515《电站弯管》和DIA7