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style="text-indent:2em;margin-top:20px;font-size:14px;">硬密封蝶阀根据阀门连接方式可以分为硬密封法兰蝶阀、硬密封对夹蝶阀、硬密封焊接蝶阀这三类九州APP手机版-官方网站下载，其驱动形式主要有手动九州APP手机版-官方网站下载、电动、气动这三种九州APP手机版-官方网站下载，尺寸大小从DN50~DN3000（2"~120"），压力大小从PN0.6MPa~PN10.0MPa(Class150~Class600)。</p> <p style="text-indent:2em;font-size:14px;">硬密封法兰蝶阀常见的基本型号有：D43H、D343H、D643H、D943H；D43Y、D343Y、D643Y、D943Y；D43W九州APP手机版-官方网站下载、D343W、D643W、D943W等。</p> <p style="text-indent:2em;font-size:14px;">硬密封对夹蝶阀常见的基本型号有：D73H、D373H、D673H、D973H；D73Y、D373Y、D673Y、D973Y；D73W九州APP手机版-官方网站下载、D373W、D673W、D973W等。</p> <p style="text-indent:2em;font-size:14px;">硬密封焊接蝶阀常见的基本型号有：D63H、D363H、D663H、D963H九州APP手机版-官方网站下载；D63Y、D363Y九州APP手机版-官方网站下载、D663Y、D963Y；D63W九州APP手机版-官方网站下载、D363W、D663W、D963W等。</p> <p style="text-indent:2em;font-size:14px;">硬密封蝶阀设计标准常用的有：GB/T 12238、API 609等。</p> <p style="text-indent:2em;font-size:14px;">硬密封蝶阀检验与试验标准常用的有：JB/T 9092九州APP手机版-官方网站下载、GB/T 13927、API 598等。</p> <p style="text-indent:2em;font-size:14px;">硬密封蝶阀扭矩只与阀门口径与压力等级有关，具体扭矩大小可参考《<a href="http://www.craigslistreadymade.com/famenjishu/399.html" target="_blank">三偏心蝶阀阀门扭矩值</a>》。</p> <ul> <li><a href="http://www.craigslistreadymade.com/diefa/d343h-d343y.html" target="_blank"><img src="http://www.craigslistreadymade.com/uploads/150708/spxflymfdf.jpg" alt="法兰硬密封蝶阀" width="150" height="150"></a><span>法兰硬密封蝶阀</span></li> <li><a href="http://www.craigslistreadymade.com/diefa/d363h-d363y.html" target="_blank"><img src="http://www.craigslistreadymade.com/uploads/150708/spxhjymfdf.jpg" alt="焊接硬密封蝶阀" width="150" height="150"></a><span>焊接硬密封蝶阀</span></li> <li><a href="http://www.craigslistreadymade.com/diefa/d373h-d273w-d373y.html" target="_blank"><img src="http://www.craigslistreadymade.com/uploads/150708/spxdjymfdf.jpg" alt="对夹硬密封蝶阀" width="150" height="150"></a><span>对夹硬密封蝶阀</span></li> <li><a href="http://www.craigslistreadymade.com/diefa/d943h-d943y.html" target="_blank"><img src="http://www.craigslistreadymade.com/uploads/150708/spxfldddf.jpg" alt="法兰硬密封电动蝶阀" width="150" height="150"></a><span>法兰硬密封电动蝶阀</span></li> <li><a href="http://www.craigslistreadymade.com/diefa/d973h-d973y.html" target="_blank"><img src="http://www.craigslistreadymade.com/uploads/150708/spxdjymfdddf.jpg" alt="对夹硬密封电动蝶阀" width="150" height="150"></a><span>对夹硬密封电动蝶阀</span></li> <li><a href="http://www.craigslistreadymade.com/diefa/d673h-d673y.html" target="_blank"><img src="http://www.craigslistreadymade.com/uploads/150708/spxdjymfqddf.jpg" alt="对夹硬密封气动蝶阀" width="150" height="150"></a><span>对夹硬密封气动蝶阀</span></li> </ul> </div> </div> </div> <div class="footer1"> <div class="lianxi">销售直线：021-59170722 | 传真：021-59124609 | 集团总机：021-59177192 | 企业邮箱:koko@kokovalve.com</div> <div class="copy">Copyright ? 2015 上?？瓶品偶庞邢薰?nbsp; 备案号：沪ICP备11005757号</div> </div> <script type="text/javascript" src="http://www.craigslistreadymade.com/templets/default/js/jquery-1.8.2.min.js"></script> <script type="text/javascript" src="http://www.craigslistreadymade.com/templets/default/js/slider.js"></script> 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