<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">浮箱式拍门是在拍门基础上经改进提出的一种新型拍门,它吸收了球壳和浮箱式拍门的优点。铸铁拍门是安装在江河边排水管出口的一种单向阀，当江河潮位高于出水管口，且压力大于管内压力时，拍门面板自动封锁，以防江河潮水倒灌进排水管道内。主要安装在排水管道的尾端，用于防止外水倒灌。适用于水利系统、市政污水、城市防洪排涝、污水处置厂、自来水厂等。<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;"><p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;"><p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">二、主要特点<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">1、具有结构复杂、密封性好。<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">2、结构轻巧、运转阻力和闭门撞击力小。<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">3、在水中的浮重小,开启角度大,能有效减小水流阻力、节能省电。<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">4、重量轻、转动惯量小,从而使闭前角速度和闭门撞击力减小。<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;"><p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">5、受力条件改善,其强度、刚度好。<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">6、安装方式爲法兰结构，安装方便。
7、节省电能、人力、水处置费等。<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">8 、门页爲密封腔体结构，比重爲小。<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;"><p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">9、无需悬挂配置配重；<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">10、封锁时冲击力小。<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">11、其开启力来自水源压力；封锁力由门板自重发作，不需人工操作。<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;"><p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">三、主要零部件材质：<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;"> 1、门体：碳钢Q235A<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;"> 2、门板：碳钢Q235A<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;"> 3、密封圈：橡胶NBR<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">2、门座上法兰能否变形--------处置方案：改换门座<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">四、主要技术参数<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">1、公称压力：0.1MPa-1.0MPa<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">2、适用介质：水，河水，江水，海水，生活，工业污水<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">3、适用温度：≦80℃<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;"><p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">五、执行标准<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">1、GB4457-4460-84 机械制图<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;"> 2、GB1182-1184-96 外形和位置公差<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">3、GB/T12465-2002管路松套伸缩接头<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">4、GB/T17241.6-98 全体铸铁管法兰<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">5、GB900-88 螺柱<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">6、GB41-86 螺母<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">7、GB/T9876-98 给排水管道用橡胶密封胶料<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">8、GB/T3013-93给水输配公用管件<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">9、GB50268-97 给水排水管道工程施工及验收规范<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;"><p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">10、GB/Z343-84热浸锌通用工艺<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">11、GB/T13384-92 机电产品包装通用技术条件<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">12、GB191包装储运图示标志<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;"><p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">5、拍门门页和门座铰链能否受伤变形-----------处置方案：改换拍门<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">拍门具有流道正向单向开启和反向封锁的作用。配重式拍门借助于配重的平衡作用，在水流的作用下使门页自动开启或封锁，或稍加外力作用使门页开启或封锁；浮箱式拍门则使用门页在水中的浮力，在水流的作用下使门页开启或封锁。<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">六、实验要求：<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;"> 1、浮箱式拍门出厂前在厂内中止强度实验，实验压力爲额定压力的1.5倍，保压5分钟，以无渗漏和无结构损伤爲合格。<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;"> 2、浮箱式拍门出厂前在厂内实验台上中止密封功用实验，实验压力爲额定压力的1.1倍，保压5分钟，以无渗漏现象爲合格。<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;"><p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;"><p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;">七、防护及油漆<p style="padding: 0px; margin: 0px 0px 10px; list-style-type: none;font-size:medium; line-height: 1.8; text-align: justify; text-indent: 32px; font-family: "Microsoft YaHei", 微软雅黑, STHeiti, "WenQuanYi Micro Hei", SimSun, sans-serif;"> 浮箱式拍门外表面涂装前按GB8923标准中止除锈，******油质和附着层，然后全部涂防锈底漆和面漆，以防止外表面与空气接触锈蚀附着力契合GB1720标准，韧性契合GB1731标准；冲击强度、硬度契合GB1730标准。
