動(dòng)態(tài)平衡電動(dòng)調(diào)節(jié)閥

溫度調(diào)節(jié)閥
氣動(dòng)薄膜調(diào)節(jié)閥，由DKZ型直行程電動(dòng)執(zhí)行機(jī)構(gòu)和直通雙座閥兩部分組成。以單項(xiàng)交流220V電源為動(dòng)力，接受 0～10mA或4～20mA直流信號(hào)，自動(dòng)控制調(diào)節(jié)閥開(kāi)度，達(dá)到對(duì)管道內(nèi)流體的壓力、流量、溫度、液位等工藝參數(shù)的連續(xù)調(diào)節(jié)。座閥有上、下兩個(gè)閥芯球，流體作用在上、下閥芯上的推力，其方向相反而大小接近，不平衡力很小，允許壓差大，額定流量系數(shù)比同口徑的單座閥大，但該閥的泄漏較單座閥大。 適用于對(duì)泄露量要求不嚴(yán)格，閥前后壓差較大的干凈介質(zhì)場(chǎng)合。

ZAZN電動(dòng)雙座調(diào)節(jié)閥

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