产品特点:微孔聚丙烯透气膜 (Microporous Polypropylene Gas Permeable Film)微孔膜是一种气体渗透膜,用于分析氦冲洗或真空中不挥发的液体和粉末状样品物质。在保持紧绷的薄膜样品支撑平面的同时,平衡样品杯和样品腔内的压差。1500系列XRF样品杯适用于微孔薄膜。Features:● Equalizes pressure differentials within sample cups and sample chamber● Maintains flat thin-film sample support window planes● Maintains uniform target-to-sample distances特点:● 均衡样品杯和样品腔内的压差● 保持平坦的薄膜样品支撑窗平面● 保持目标到样品的均匀距离One of two supplied "Snap-On Rings" included with the 1500 Series Sample Cups is used to attach Microporous Film to the Cell neck of the open end of the sample cup nearest the outer integrated flange.1500系列样品杯随附的两个“卡扣环”之一用于将微孔膜附着到样品杯开口端最靠近外部集成法兰的样品池颈部。The sample cup Cell is designed with the unique "bead-to-indent" geometry that creates taut thin-film sample support planes and effective seals against leakage.样品杯池的设计具有独特的“珠到凹痕”几何形状,可形成绷紧的薄膜样品支撑平面并有效密封以防泄漏。The second included "Snap-On Ring" is used to affix a thin-film sample support window to the opposite open end of the sample cup.随附的第二个“卡扣环”用于将薄膜样品支撑窗固定到样品杯的相对开口端。In practice, the illustrated assembly procedure is reversed. The thin-film sample support is attached first enabling one or more sample cups to be conveniently filled from the top end Microporous Film is attached last.实际上,图示的组装过程是相反的。首先连接薄膜样品支架,以便从顶端方便地装满一个或多个样品杯。最后附上微孔膜。Microporous Film is also available in Easy-to-Use Precut Circles for elimination of trimming and convenience of attachment to Chemplex® XRF Sample Cups.微孔膜是易于使用预制圈子消除修剪和附件的便利Chemplex® XRF样品杯。*Note: Catalog No. 325 is supplied in unserrated metal edge boxes.*注:货号325在未锯齿的金属边箱中提供。订货信息:货号类型厚度规格尺寸数量/包325Micropourous25μm (1.0mil)Roll3.0" (76.2mm)200" (5.08m)325-CMicropourous25μm (1.0mil)Precut Circles2.5" (63.5mm)100产品应用:● Porosity: 55%● Pore Size: 0.21μm X 0.05μm● Thickness: 25μm (0.001")● Softening Temp.: Approx 155℃● Melting Temp.:Approx 165℃● 孔隙率:55%● 孔径:0.21 μ m个X 0.05 μ米● 厚度:25 μ M(0.001" )● 软化温度:约155℃● 熔化温度:约165℃
隔膜阀简介直径(单一规格)为35 mm (1.375")1,000,000次摆动寿命三种构造&ndash 6通、10通、和4通内置定量管内置的驱动1/16" 或1/32" Valco无死体积接头VICI袖珍隔膜阀是为要求最少维护和最长寿命的无故障使用而设计的,使得它成为过程工业、自动化分析者和持续监控环境分析的理想选择。设计袖珍隔膜阀由一些活塞和通路排列成圆形构成,其中活塞由两个气动活塞瓣的往复摆动来控制。维护程序大大简化了,因为是一单独的螺杆控制着阀在一起,定位销保证了同轴性。极长的使用寿命,很短的驱动时间(10毫秒),最小的死体积,其可靠性使该系列阀在包括样品进样和柱切换的工艺流程气相色谱法上非常成功。制造材质阀盖为Nitronic 60不锈钢(Hastelloy C合金、316型不锈钢可选),保留300系列不锈钢的金属零件,隔膜由一种特殊的聚酰亚胺制成。尺寸阀直径为35 mm (1.375"),高为42 mm (1.625"),重低于255 g (9 oz)。阀接头阀盖采用Valco 1/32" 或1/16" 无死体积接头,细节&ndash 表面凹凸的设计使管道或阀自身的更换变得容易。标准孔径尺寸为0.40 mm (0.016")。可选孔径尺寸为0.25 mm (0.010") 和0.75 mm (0.030")。使用寿命隔膜阀在室温超过1,000,000次的摆动寿命,200° C高温500,000次摆动寿命。温度/压力说明进样/切换阀可在高达200° C的高温、300 psi下工作,内置定量管阀为50° C、750 psi,特制的隔膜也允许在低温低压下进样。驱动驱动空气(40-50 psi)供给一条带10-32阴螺纹的侧通路,允许使用多种螺口接头或软管接头,驱动必需一个3路的电磁阀(单独预订)。吹扫选择吹扫环可选的吹扫环可以用来吹扫所有的VICI隔膜阀,安装容易,它由两个1/16"的通路构成吹扫气体的入口和出口。当隔膜阀与PDD脉冲放电检测器联用时,吹扫环将提高灵敏度,这是因为吹扫环阻止了空气扩散到流路当中。