灌顶常压人孔，304卫生级不锈钢灌顶型号

灌顶常压人孔，304卫生级不锈钢灌顶型号

灌顶常压人孔，304卫生级不锈钢灌顶型号

容器罐压力人孔盖、压力容器人孔、带压力人孔公司供应不锈钢S30408、S31603材质，

表面处理：内外亚光    外亚光    内镜面     酸洗钝化  

基本样式：圆形、椭圆形、方形基本常用尺寸如下：

●椭圆型（压力）：可承受*大压力5公斤压力规格：435×335、535×435、635×525

●圆型（压力）：可承受*大压力3~6公斤压力规格：350×120、400×120、430×120、450×120、500×120、600×120

●圆型（非压力）：常压下使用，非承受水压。规格：350×100、400×100、430×100、450×100、500×100、600×100

●长方形（压力）：可承受*大压力5bar。规格：330×430、435×512、412×535

304不锈钢常压人孔，卫生级常压人孔，横梁常压人孔
Vessel tank pressure manhole covers, pressure vessel manholes, pressure manholes The company supplies stainless steel S30408, S31603 materials,

Surface treatment: inner and outer matt outer matt inner mirror surface pickling passivation

Basic styles: round, oval, and square basic sizes are as follows:

●Oval type (pressure): can withstand a maximum pressure of 5 kg Pressure specifications: 435×335, 535×435, 635×525

●Round type (pressure): can withstand the maximum pressure of 3~6 kg Pressure specifications: 350×120, 400×120, 430×120, 450×120, 500×120, 600×120

●Round type (non-pressure): use under normal pressure, not withstand water pressure. Specifications: 350×100, 400×100, 430×100, 450×100, 500×100, 600×100

●Rectangular (pressure): can withstand the maximum pressure of 5bar. Specifications: 330×430, 435×512, 412×535

304 stainless steel atmospheric manhole, sanitary atmospheric manhole, beam atmospheric manhole

灌顶常压人孔，304卫生级不锈钢灌顶型号