1.Type:steel manhole cover 2.Material:SUS304,316L,etc. 3.Size:300mm-500mm 4.Max pressure:0.4MPa 5.HACCP,ISO9001:2000,QS-9000

Food grade steel manhole cover

 

Material:SUS304,SUS316L

Size:Φ300-Φ500

 

Internal surface:Ra 0.8μm—0.5μm

 

Outside surface:mirror polishing

 

Media:gas,water,oil,etc.

 

Gasket:EPDM,NBR,Silicon,FPM

 

 

 

 

 

Food grade steel manhole cover