不锈钢三通视镜为视镜中的一种，与直通视镜相比他还起到分支多用，能够清晰地看到介质在主管道与支管的流动情况，以保证其安全生产。
不锈钢三通视镜“用途和结构” Purpose and structure
1. 不锈钢三通视镜主要用于石油、化工及其它工业设备窥视装置，以观察设备内部物料操作情况；
Three way mirror is mainly used in the petroleum, chemical and other industrial equipment peeping device to observe the material internal equipment operation;
2. 材料有不锈钢、碳钢、衬里等。使用压力25kgf/cm2，允许介质温度为0~200℃。
Materials are stainless steel, carbon steel, lining etc.. Maximum working pressure 25kgf/cm2, to allow the medium temperature of 0~200 ℃.
3. 三通视镜玻璃材质为钢化硼硅玻璃，钢化硼硅玻璃色度温差为180℃。
Three way mirror glass is made of tempered borosilicate glass, tempered borosilicate glass color temperature is 180 ℃.
SJ-P 不锈钢三通视镜“主要技术参数” Main technical parameters
壳体材质：碳钢WCB、不锈钢304、321、316、316L、钢内衬四氟
Body material: carbon steel WCB, stainless steel 304, 321, 316, 316L, steel lined PTFE
视窗材质：钢化硼硅玻璃、石英玻璃。
Window material: tempered borosilicate glass, quartz glass.
密封材质：丁腈橡胶、聚四氟乙烯。
Sealing material: nitrile rubber, ptfe.
工作压力（MPa）：≤0.6
Working pressure (MPa) ≤ 0.6
工作温度（℃）：0~200℃
Working temperature: 0~200 ℃ (c)
我们的优势 Our advantage:
Factory for many years production of three mirrors, advanced technology, rich production experience;
主打产品有玻璃管道视镜（视盅）、直通视镜、三通视镜、平板视镜、带颈视镜，方框视镜，内螺视镜，美标视镜，焊接视镜等。
The main products are glass pipeline view mirror (as the cup), through the mirror, three mirror, flat mirror, mirror box with neck, mirror, mirror. Mirror, American Standard, welding mirror etc..
产品材质有碳钢、304，304L,316/316L等。
Product materials are carbon steel, 304304L, 316/316L etc..
我们能够为您代设计或按图加工。
We can provide you generation by design or map processing.
不锈钢三通视镜--结构尺寸：
DN | 2.5公斤 | |||||
外形尺寸 | 玻璃板 | |||||
Ⅰ | Ⅱ | Ⅲ | H | L | 直径 | 厚度 |
25 | 40 | 40 | 260 | 234 | 95 | 15 |
25 | 50 | 50 | 320 | 278 | 140 | 20 |
25 | 65 | 65 | 320 | 278 | 160 | 20 |
40 | 80 | 80 | 360 | 308 | 180 | 20 |
40 | 100 | 100 | 360 | 308 | 180 | 20 |
