Sanitary Stainless Steel Rectangular Tank Manhole

Operating Principles

Sanitary Stainless Steel Square Manway for Tank

Manholes are ideal for inspecting or cleaning the inside of a tank and can also be used as an inlet.

There are round, rectangular,elliptical, and pressure type,1-5 bar pressure is common use,customized is available.

When need repair the tank,first to unscrew the handwheel(use to fixed manhole cover and supply the force to axial seal),

then open the manhole cover by the handle which fixed in the manhole cover (manhole cover is jointed together by hinge

and frame,to ensure accuately closure when the manhole cover close,and the hinge can let the opened manhole cover stop 

above 30 degree angle of upright position),thus the serviceman can check the storage tank,when the manhole cover closed,

both of the seal of manhole cover and the tank can ensure complete sealing ,so we can avoid leakage of the tank.

Manholes are mainly used for pressure vessels in food, beverage, chemical and other fields.

Technical Specifications

Temperature range: 14 ~ 248℉ (-10 ~ 120℃), Silicon

Working Pressure: 14.5-72psi (1-5bar)

lnternal surface: Ra0.8um-0.5um

Outside surface: polishing finished，sub-lightfinished, sand-blasting finished.

Materials

Material:AISI304(1.4301)/316L(1.4404)

Gasket:EPDM, NBR, Sillicon, FPM in accordancewith FDA177.1600

Standard Design

Outward opening man hole cover

Plastic hand wheel or stainless steel hand wheel

Sight glass with flange

Union type sight glass

Available in size from 200mm to 600mm

Standard height: 100mm, or specific height upon on requirement

Standard thickness: 4mm

Self-sealing double lip seal to prevent fluids spraying out.

Inspection

All kinds of non-standard products are customized according to the requirements of customers. Products can be traced back to the 

manufacturing and time of each process to ensure the quality of products.

Package for Sanitary Stainless Steel Square Manway High Quality Manhole