| 型(xing) 號(hào): | |
| 所(suo)屬分類(lei): | festo比例閥 |
| 報(bào) 價(jià): | 2580 |
FESTO方向(xiang)流量比例閥是(shi)壹種(zhong)轉(zhuǎn)(zhuan)角為(wei)0-90°的(de)旋(xuan)轉(zhuǎn)(zhuan)類閥門(men),密封(feng)性(xing)能優(yōu)良(liang),流量系數(shù)大,流阻系數(shù)小(xiao),結(jié)(jie)構(gòu)簡(jiǎn)(jian)單(dan),使用壽命長(zhǎng)(chang),便(bian)於維(wei)修(xiu)。配用氣缸(gang)式(shi)執(zhí)行機(jī)(ji)構(gòu),球閥分單(dan)作用和雙作用(yong)兩(liang)種(zhong)型(xing)號(hào)(hao)
費(fèi)斯(si)托(tuo)FESTO比例閥華(hua)南總代(dai)FESTO方向(xiang)流量比例閥是(shi)壹種(zhong)轉(zhuǎn)(zhuan)角為(wei)0-90°的(de)旋(xuan)轉(zhuǎn)(zhuan)類閥門(men),密封(feng)性(xing)能優(yōu)良(liang),流量系數(shù)大,流阻系數(shù)小(xiao),結(jié)(jie)構(gòu)簡(jiǎn)(jian)單(dan),使用壽命長(zhǎng)(chang),便(bian)於維(wei)修(xiu)。配用氣缸(gang)式(shi)執(zhí)行機(jī)(ji)構(gòu),球閥分單(dan)作用和雙作用(yong)兩(liang)種(zhong)型(xing)號(hào)(hao)。產(chǎn)(chan)品廣泛應(yīng)用(yong)於化(hua)工、石油(you)、輕(qing)紡(fang)、電(dian)力(li)、食(shi)品制藥、制冷(leng)、造紙行業(yè)(ye)的(de)系統(tǒng)控制。德(de)國(guó)寶德(de)伺服輔助電(dian)磁(ci)閥在(zai)系統(tǒng)中(zhong)起(qi)安全保護(hù)(hu)作(zuo)用(yong)。當(dāng)系統(tǒng)壓(ya)力(li)超過(guò)規(guī)定值(zhi)時(shí),安(an)全閥汀(ting)開(kāi),將系統(tǒng)中(zhong)的(de)壹部(bu)分氣體(ti)排入(ru)大氣,使系統(tǒng)壓(ya)力(li)不超過(guò)允(yun)許(xu)值(zhi),從(cong)而保證(zheng)系統(tǒng)不因壓(ya)力(li)過(guò)高(gao)而發(fā)生事故。安(an)全(quan)閥又稱(cheng)溢(yi)流閥。圖示(shi)為(wei)安全(quan)閥的(de)幾(ji)種(zhong)典(dian)型(xing)結(jié)(jie)構(gòu)形式。圖a為(wei)活塞式(shi)安全(quan)閥,閥芯(xin)是(shi)壹平板(ban)。氣源壓(ya)力(li)作用在(zai)活塞A上(shang),當(dāng)壓(ya)力(li)超過(guò)由(you)彈(dan)簧(huang)力確定的(de)安全(quan)值(zhi)時(shí),活塞A被(bei)頂(ding)開(kāi),壹部(bu)分壓(ya)縮(suo)空氣即(ji)從(cong)閥口(kou)排入(ru)大氣;當(dāng)(dang)氣源壓(ya)力(li)低於安全(quan)值(zhi)時(shí),彈(dan)簧(huang)驅(qū)(qu)動(dòng)活塞下(xia)移,關(guān)(guan)閉閥口(kou)。德(de)國(guó)寶德(de)伺服輔助電(dian)磁(ci)閥結(jié)(jie)構(gòu)主要(yao)有兩(liang)大類:彈(dan)簧(huang)式和杠桿式(shi)。彈(dan)簧(huang)式是(shi)指(zhi)閥瓣(ban)與(yu)閥座的(de)密封(feng)靠彈(dan)簧(huang)的(de)作用(yong)力。杠桿式是(shi)靠杠(gang)桿和重錘的(de)作用(yong)力。隨著(zhe)大容量的(de)需要(yao),又有(you)壹種(zhong)脈沖(chong)式(shi)安全(quan)閥,也稱(cheng)為(wei)先導(dǎo)式(shi)安(an)全閥,由(you)主(zhu)安全(quan)閥和輔助閥組成(cheng)。當(dāng)管(guan)道(dao)內(nèi)介質(zhì)(zhi)壓(ya)力(li)超過(guò)規(guī)定壓(ya)力(li)值(zhi)時(shí),輔(fu)助閥先開(kāi)(kai)啟(qi),介質(zhì)(zhi)沿(yan)著(zhe)導(dǎo)管(guan)進(jìn)(jin)入(ru)主安(an)全閥,並將主(zhu)安(an)全閥打開(kāi)(kai),使增高(gao)的(de)介質(zhì)(zhi)壓(ya)力(li)降低(di)。
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161160 壓(ya)力(li)比例閥 MPPE-3-1/8-1-010-B
費(fèi)斯托(tuo)FESTO比例閥華(hua)南總代(dai)161161 壓(ya)力(li)比例閥 MPPE-3-1/8-6-010-B
161162 壓(ya)力(li)比例閥 MPPE-3-1/8-10-010-B
161163 壓(ya)力(li)比例閥 MPPE-3-1/8-1-420-B
161164 壓(ya)力(li)比例閥 MPPE-3-1/8-6-420-B
161165 壓(ya)力(li)比例閥 MPPE-3-1/8-10-420-B
161166 壓(ya)力(li)比例閥 MPPE-3-1/4-1-010-B
161167 壓(ya)力(li)比例閥 MPPE-3-1/4-6-010-B
161168流量比例閥 MPPE-3-1/4-10-010-B
161169 壓(ya)力(li)比例閥 MPPE-3-1/4-1-420-B
161170 壓(ya)力(li)比例閥 MPPE-3-1/4-6-420-B
161171 壓(ya)力(li)比例閥 MPPE-3-1/4-10-420-B
161172 壓(ya)力(li)比例閥 MPPE-3-1/2-1-010-B
161173 壓(ya)力(li)比例閥 MPPE-3-1/2-6-010-B
161174 壓(ya)力(li)比例閥 MPPE-3-1/2-10-010-B
161175 壓(ya)力(li)比例閥 MPPE-3-1/2-1-420-B
161176 壓(ya)力(li)比例閥 MPPE-3-1/2-6-420-B
161177 壓(ya)力(li)比例閥 MPPE-3-1/2-10-420-B
161978 方向(xiang)流量比例閥 MPYE-5-1/8-LF-420-B
161979 方向(xiang)流量比例閥 MPYE-5-1/8-HF-420-B
161980 方向(xiang)流量比例閥 MPYE-5-1/4-420-B
161981 方向(xiang)流量比例閥MPYE-5-3/8-420-B151692
FESTO方向(xiang)流量比例閥 MPYE-5-1/8-LF-010-B
151693 方向(xiang)流量比例閥 MPYE-5-1/8-HF-010-B
151694 方向(xiang)流量比例閥 MPYE-5-1/4-010-B
151695 方向(xiang)流量比例閥 MPYE-5-3/8-010-B