新闻德国ALBRIGHT ED252LA-2厂家进口
固定孔不得少于4-6个,并且用水平仪确定安装板的水平。打过墙孔:根据机器型号选择钻头,使用电锤或水钻打过墙孔。打孔时应尽量避开墙内外有电线或异物及过硬墙壁,孔内侧应高于外侧.5-1cm以便排水,从室内机侧面出管的过墙孔应该略低于室内机下侧(如下图所示),用水钻打时应用塑料布贴于墙上或采用其它方法防止水流在墙上,用电锤打孔时应采取无尘安装装置。打完过墙孔后放入穿墙保护套管连接连接管:将室内机放在较软的垫子上以防止划伤。
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新闻德国ALBRIGHT ED252LA-2厂家进口
对外界振动较敏感,但对流体分布不敏感。压力损失较大。信号处理技术难度大,零点易漂移,不适合低压、低密度气体测量。测量管与工艺管道相对位置可以是平行的(大多数产品采用的方式),也可以是垂直的。但是只要流量传感器不在工艺管道轴向振动平面内,流量计的抗振动干扰能力可增强。对于质量流量计的测量精度,很多产品上标注的是基本误差+零点不稳定性。仪表制造厂商将流量计精度定得很高,一般是(±.15%~±.5%)R。
stiefelmayer 450213
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施耐德 DF101 熔断器
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duesen-schlick Nr.11983,MODEL 121, G1/4 AG,D1.888/1,bore:0.4mm
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新闻德国ALBRIGHT ED252LA-2厂家进口
离心泵的汽蚀现象离心泵的汽蚀现象是指被输送液体由于在输送温度下饱和蒸汽压等于或低于泵入口处(实际为叶片入口处的)的压力而部分汽化,引起泵产生噪音和震动,严重时,泵的流量、压头及效率的显著下降,显然,汽蚀现象是离心泵正常操作所不允许发生的。避免汽蚀现象发生的关键是泵的安装高度要正确,尤其是当输送温度较高的易挥发性液体时,更要注意。、离心泵的安装高度Hg1允许吸上真空高度Hs是指泵入口处压力p1可允许达到的大真空度而实际的允许吸上真空高度Hs值并不是根据式计算的值,而是由泵制造厂家实验测定的值,此值附于泵样本中供用户查用。
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MOOG GmbH D661-4651/G35JOAA6VSX2HA 油压传动阀
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Burster 8632-5002 扭矩传感器
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SCHNEIDER SE.RPTEND40
KEB 18.F5.K1H-YUC2/034109
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BALLUFF BOS00LW BOS 18KW-PA-1QC-S4-C Sn = 4 m adjustable PNP (2x) normally open-closed contact (pins 4-2)
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新闻德国ALBRIGHT ED252LA-2厂家进口
伴热温度依据介质状况确定;磁翻柱液位计装置必需垂直,磁性液位计与容器引管间应装有球阀,便于检修和清洗;介质内不该含有固体杂质或磁性物质,以免对浮子形成卡阻;运用前应先用校正磁钢将零位以下的小球置成赤色,其它球置成白色;翻开底法兰,装入磁性浮子(留意:重端带磁性一端向上,不克不及倒装。);调试时应先翻开上部引管阀门,然后迟缓开启下部阀门,让介质平稳进入主导管(运转中应防止介质急速冲击浮子,惹起浮子剧列动摇,影响显示性),察看磁性红白球翻转能否正常,然后封闭下引管阀门,翻开排污阀,让主导管内液位下降,据此办法操作三次,确属正常,即可投入运转(侵蚀性等非凡液体除外);应依据介质状况,不按期清洗主导管肃清杂质;对超越必然长度(通俗型>3米、防腐型>2米)的液位计,需添加中心加固法兰或耳攀作固定支撑,以添加强度和克制本身分量;.翻板液位计的装置地位,应避开或远离物料介质进出口处,防止物料流体部分区域的急速转变,影响液位测量的性;.当配有远传配套仪表时需做到如下几条:a)应使远传配套仪表紧贴液位计主导管,并用不锈钢抱箍固定(禁用铁质);b)远传配套仪表上感应面应面向和紧贴主导管;c)远传配套仪表零位应与液位计零位指示处在统一程度线上;d)远传配套仪表与显示仪表或工控机之间的连线好独自穿维护管敷设或用屏障二芯电缆敷设;e)接线盒进线孔敷设后,要求密封优越,以免雨水、潮气等侵入而使远传配套仪表不克不及正常任务,接线盒在检修或调试完成后应实时盖上。