供應(yīng)FOXBORO閥門定位器SRD991-BDFS7EA4NR-V01
供應(yīng)FOXBORO閥門定位器SRD991-BDFS7EA4NR-V01
供應(yīng)FOXBORO閥門定位器SRD991-BDFS7EA4NR-V01
SRI983 隔爆型電氣閥門定位器接受控制系統(tǒng)的模擬信號控制氣動控制閥,能有效克服閥桿摩擦力,提高執(zhí)行機構(gòu)的輸出力實現(xiàn)快速定位。通過旋轉(zhuǎn)兩個螺釘即可完成調(diào)試工作。
特點:閥門行程范圍和零點可單獨調(diào)整,互不影響,便于組態(tài)調(diào)試;定位器放大倍數(shù)和阻尼數(shù)可調(diào),能與zui佳的控制閥的特性相匹配;zui多可接收三段分程控制信號;接受4-20mA信號;氣源壓力1.4-6 Bar;可用于單作用或雙作用氣動執(zhí)行機構(gòu);對各方向震動不敏感;外殼保護(hù)等級IP65;防爆標(biāo)準(zhǔn):符合ATEX隔爆標(biāo)準(zhǔn);符合FM以及CSA隔爆標(biāo)準(zhǔn);使用環(huán)境溫度:-40℃-+80℃;電磁防護(hù)等級符合CE標(biāo)準(zhǔn);附件選項:
機械式位置指示裝置內(nèi)置閥位變送器內(nèi)置感應(yīng)式或微動式閥位開關(guān)內(nèi)置氣動放大器外置壓力表組
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