日本SMC電磁閥VT307-4G-02*

SMC電磁閥的主要特點(diǎn)電磁閥外漏堵絕，內(nèi)漏易控，使用安全。內(nèi)外泄漏是危及安全的要素。其它自控閥通常將閥桿伸出，由電動(dòng)、氣動(dòng)、液動(dòng)執(zhí)行機(jī)構(gòu)控制閥芯的轉(zhuǎn)動(dòng)或移動(dòng)。這都要解決長(zhǎng)期動(dòng)作閥桿動(dòng)密封的外泄漏難題；唯有電磁閥是用電磁力作用于密封在電動(dòng)調(diào)節(jié)閥隔磁套管內(nèi)的鐵芯完成，不存在動(dòng)密封，所以外漏易堵絕。電動(dòng)閥力矩控制不易，容易產(chǎn)生內(nèi)漏，甚至拉斷閥桿頭部；電磁閥的結(jié)構(gòu)型式容易控制內(nèi)泄漏，直至降為零。所以，電磁閥使用特別安全，尤其適用于腐蝕性、有毒或高低溫的介質(zhì)。 SMC電磁閥系統(tǒng)簡(jiǎn)單，便接電腦，價(jià)格低謙。電磁閥本身結(jié)構(gòu)簡(jiǎn)單，價(jià)格也低，比起調(diào)節(jié)閥等其它種類執(zhí)行器易于安裝維護(hù)。更顯著的是所組成的自控系統(tǒng)簡(jiǎn)單得多，價(jià)格要低得多。由于電磁閥是開關(guān)信控制，與工控計(jì)算機(jī)連接十分方便。在當(dāng)今電腦普及，價(jià)格大幅下降的時(shí)代，電磁閥的優(yōu)勢(shì)就更加明顯。SMC電磁閥動(dòng)作快遞，功率微小，外形輕巧。電磁閥響應(yīng)時(shí)間可以短至幾個(gè)毫秒，即使是先導(dǎo)式電磁閥也可以控制在幾十毫秒內(nèi)。由于自成回路，比之其它自控閥反應(yīng)更靈敏。設(shè)計(jì)得當(dāng)?shù)碾姶砰y線圈功率消耗很低，屬節(jié)能產(chǎn)品；還可做到只需觸發(fā)動(dòng)作，自動(dòng)保持閥位，平時(shí)一點(diǎn)也不耗電。電磁閥外形尺寸小，既節(jié)省空間，又輕巧美觀。電磁閥調(diào)節(jié)精度受限，適用介質(zhì)受限。電磁閥通常只有開關(guān)兩種狀態(tài)，閥芯只能于兩個(gè)限位置，不能連續(xù)調(diào)節(jié)，（力圖突破的新構(gòu)思不少，但還都于試驗(yàn)試用階段）所以調(diào)節(jié)精度還受到一定限制。SMC電磁閥對(duì)介質(zhì)潔凈度有較高要求，含顆粒狀的介質(zhì)不能適用，如屬雜質(zhì)須先濾去。另外，粘稠狀介質(zhì)不能適用，而且，特定的產(chǎn)品適用的介質(zhì)粘度范圍相對(duì)較窄。
日本SMC電磁閥VT307-4G-02*VX3130-02-4GR1
VX3130-02-5G
VX3130V-01-3DR1
VX3130V-01-3DZ
VX3130V-01-4DLB
VX3130V-01-4G
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VX3131-00-4G
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VX3132-02-4G
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VX3132K-02-4G
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VX3134-01-4G
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VX3224029GD110V
VX3224029G1DC11
VX3234-02-3G
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VX3234-02-4G
VX3234-02-4GR1
VX3234-02-5D1-B