品牌:ROTECH (德国瑞廷)
型号:PCR8SVAZ
壳体材质:Vestamid (高性能导电/抗冲击增强型尼龙)
防护等级:IP67 (符合 DIN EN 60529 标准)
内部开关:2个微动开关 (Microswitches)
触点容量:AC: 250V/10A; DC: 24V/3A (典型值)
工作温度:-25°C 至 +70°C (标准环境)
安装接口:符合 VDI/VDE 3845 (NAMUR) 标准孔位
电气接口:M20x1.5 (配格兰头)
位置显示:大尺寸半圆黄/红可视化位置指示器
重量:约 0.62 kg (含支架及包装)
性能概述与核心优势
ROTECH PCR8SVAZ 是一款专为工业过程自动化设计的紧凑型限位开关盒。作为阀门自动控制系统中的关键反馈元件,它能够实时、精确地将气动执行器带动阀门(如球阀、蝶阀、旋塞阀)的开启与关闭位置转换成电信号,并传输至中控室的PLC或DCS系统。
该型号最大的性能特点在于其卓越的耐候性。壳体采用黑色 Vestamid 材质,这种工程塑料不仅具备极强的机械抗冲击能力,还拥有优异的耐化学腐蚀性能,即使在酸碱盐雾环境严重的化工厂区,也能保持结构稳定。同时,内部集成的透气膜平衡系统是其一大亮点,它能有效解决由于昼夜温差引起的内部结露问题,从而避免微动开关触点因潮湿氧化而导致的信号失灵。
行业应用场景
在水处理、石油化工、天然气输送、制药设备以及食品灌装等行业,PCR8SVAZ 被广泛应用于自动化管路。在这些场景中,阀门往往安装在难以人工观测的位置,通过 PCR8SVAZ 的顶部可视化盖板,现场巡检人员可以在数米外通过醒目的颜色变化判断阀门位态,大幅提升了生产现场的安全性与管理效率。
安装与兼容性
该产品完全遵循 NAMUR (VDI/VDE 3845) 国际标准。这意味着它可以无缝对接包括 Rotork, Flowserve, Emerson, 以及国内主流品牌在内的各类气动执行器。其底部的可调节式安装支架支持 80x30mm 以及 130x30mm 的安装孔位,轴高支持 20mm 和 30mm 的切换,具有极强的适配能力。
推荐配套产品
ROTECH 专用电缆接头 (M20x1.5):确保整体防护等级达到 IP67。
NAMUR 标准支架 (Stainless Steel):针对极度腐蚀环境,建议选配不锈钢材质底座。
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