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Supplying high-quality direct buried fully welded ball valves-Jinke Tongli Valve is professionally built

价格 350.00元/件
total supply
100 件
MOQ
1 件
brand
金科同力
area
HebeiCangzhou City
Delivery period:
Shipped within 3 days from the date of payment by the buyer
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area:Hebei Cangzhou City

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Hebei Tongli Automatic Valve Manufacturing Co., Ltd.

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Product Details
材质:
铸钢
型号:
全焊接球阀
规格:
DN25-DN250
直埋式全焊接球阀
 直埋式全焊接球阀在供热管网系统发展的背景
1、供热管网常埋于地下为了操控阀门需建筑高大阀门井,雨水或雪水会把垃圾冲入阀门井,这些垃圾废物,会在井内产生大量有害气体。操作人员进入阀井操控阀门时会造成人员伤害。管道及阀门爆裂也会对操作人员造成伤害。
2、供热管网由于施工、焊接、锈蚀等原因使管网常存有杂物,介质流动时会携带这些杂物冲刷阀门密封结构,造成阀门密封面损伤使阀门关闭不严,关断阀门便成了摆设。
3、普通阀门与管道连接需用法兰、螺丝、垫片,阀门与管道连接浪费大量物质资源,不利于全球环境及节能减排。为此直埋式全焊接球阀得到很好的发展。
直埋式全焊接球阀的用途:
城市煤气:煤气输出管道、主干线及各支线供应管道等。
集中供热:大型供热设备输出管线、主干线、支线。
热交换机:管道及各回路启闭。
钢铁厂:各种流体管道、废气择放管道、煤气和热力供应管道、燃料供应管道。
各种工业设备:各种热处理管道、各种工业煤气和热力管道。
直埋式全焊接球阀的优势:
1、直埋式全焊接球阀可以直埋于地下,无需建造高大阀门井,以减少工程造价,在此同时也可以避免操作阀门时造成人员的伤害。
2、直埋式全焊接球阀打开时,阀球把阀座完全包围,尽管介质有杂质也冲刷不到阀座及球体密封面,由于这种特殊结构使阀门密闭性与管道具有相同寿命。
3、关闭的直埋式焊接球阀介质静止对球体及密封阀座产生损害,打开的过程球体又把介质静止时沉积下来的杂物刮掉,阀座下有弹簧补偿对压力和温度的变化有补偿作用,保证不会产生任何泄露。
4、直埋式全焊接球阀可以直接焊于管道节省了法兰、螺丝、垫片,节约大量物质资源。
5、直埋式全焊接球阀优于蝶阀,蝶阀蝶板在中间介质流动时介质中的杂物会冲刷蝶板,造成蝶板损伤,使阀门关闭不严;
6、直埋式全焊接球阀优于闸阀,除介质杂物冲刷密封面,造成密封面损伤使关闭不严。介质静止时介质中的杂物会囤积在阀门闸板槽内造成闸板关闭不到位,使阀门关闭不严。
6、重量轻外型美观,且易于保温使配套设备外观更精致。
7、由于特殊结构使阀门高寿命,正常使用质保20年。
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