品牌：APTech (SMC集团旗下)
型号：AP3130S 2PW MV8 MV8
类型：气动隔膜阀 (Pneumatically Actuated Diaphragm Valve)
阀体材质：316L SS 二次熔炼不锈钢 (Secondary Remelt)
通路口数：2PW (2 Ports)
连接方式：MV8 MV8 (1/2英寸 公头面密封接口 / Male Face Seal)
常闭/常开：常闭型 (Normally Closed)
工作压力：最高可达 3,000 psig (约 20.7 MPa)
流量系数 (Cv)：约 0.7
泄漏率：内漏/外漏均小于
scc/sec He
重量信息：约 0.8 lbs (0.36 kg)，含包装重量约 1.2 lbs
APTech（Advanced Pressure Technology）作为全球超高纯（UHP）气体管道系统的领先品牌，现已归属于SMC Corporation。AP3130S 2PW MV8 MV8 是一款专为半导体、光伏及特种气体输送系统（BSGS）设计的精密级气动隔膜阀。
核心性能与行业应用
在半导体制造工艺中，气体纯度与流量控制的稳定性至关重要。AP3130系列采用高性能的316L不锈钢二次熔炼技术，极大降低了金属表面的杂质析出，确保气体在输送过程中不受二次污染。该型号针对高压工况进行了优化，能够承受最高3,000 psig的压力，适用于大流量特种气体的配气柜及中央供气系统。其气动控制模式提供了极高的开关频率和可靠性，在自动化控制生产线中表现尤为卓越。
结构与参数深度解析
该产品型号中的“2PW”代表其为两端口直通结构，简洁的流道设计有效减少了内部死体积（Dead Space），使吹扫和清洗变得更加容易。接口采用标准的“MV8”，即1/2英寸的VCR公头面密封接口，这种连接方式在行业内以极高的零泄漏率著称。其内部隔膜采用高柔韧性合金材料，在保持长寿命周期的同时，能够提供极佳的密封性。此外，该阀门支持LOTO（Lockout/Tagout）安全锁定选项，符合现代工业对操作安全性的严苛要求。
推荐配套与行业地位
APTech 的阀门常与同品牌的 AP1000、AP1100 系列调压器配合使用，共同构建高精度的压力控制单元。在行业范围内，AP3130S 与 Parker 或 Swagelok 的同类超高纯阀门相比，在响应速度及压力承载能力上具有显著竞争优势。其稳定的 Cv 值（0.7）保证了流体控制的线性度，使其成为BSGS输送系统中不可或缺的核心组件。
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