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316L Specialised Pipe And Fittings,
316L square manhole cover,
600mm Specialised Pipe And Fittings
Products decription :
Rectangular thermal insulation square manual manhole Specialised Pipe And Fittings
what is Manhole:
The manhole is a safety emergency ventilation device installed on the top of the storage tank. It is usually used in conjunction with fire extinguishers and mechanical breathing valves. It can prevent accidents from damaging the storage tank when sudden overpressure or vacuum is caused by accidents. It is a safety device to protect the storage tank, and it is a safety device to protect the storage tank. It is especially suitable for the vaulted atmospheric tank with nitrogen topped by the storage material. It has the advantages of constant pressure discharge, constant pressure suction, flexible opening and closing, safe fire resistance, compact structure, good sealing performance, safety and reliability.
Manholes are divided into emergency pressure relief manholes, explosion-proof fire-resisting breathing manholes, tank top manholes, tank wall manholes and cored manholes.
Manholes are generally made of 304,316L stainless steel plate or carbon steel.
Contact Person: Mr. Terry ding