Description and Applications: Sanitary stainless steel manhole covers are usually installed on top of a tank or vessel for emergency of safety pressure relief. It is usually used together with air breathing valve and other safety devices. It is also used as the entrance for daily inspection, repair, maintenance, medium feeding and cleaning inside the tank or vessel. Sanitary stainless steel manhole covers are widely used in hygienic industries like food, beverage, brewery, pharmaceutical vessels. Specifications:

Manhole Cover Material:	SS304, or 316L
Seal Material:	Silicone, EPDM or FPM
Handle:	Plastic, or Stainless Steel
Working Pressure:	Normal, or upto 3bar
Surface Treatment:	Mirro, or Matt
Polishing:	0.4 ~ 0.8 μm
Sight Glass:	With DN50 sight glass, or full view sight glass

Main Types and Data: 1. Sanitary Circular Manhole Cover Without Pressure

Pressure:	normal
Diameter:	150mm ~ 800mm
Wall thickness:	3mm
Body Height:	80mm ~ 120mm upon request

2. Sanitary Round Manhole Cover With Pressure

Pressure:	Up to 3 bar
Diameter:	150mm ~ 600mm
Wall thickness:	3mm
Body Height:	100mm ~ 120mm upon request

3. Sanitary Circular Manhole Cover With Sight Glass

Pressure:	Up to 3 bar
Diameter:	150mm ~ 600mm
Wall thickness:	3mm
Body Height:	100mm ~ 120mm upon request
Sight Glass:	DN50 sight glass, or full view sight glass

4. Sanitary Elliptic Oval Shape Manhole / Manway Cover

Pressure:	2 bar to 5 bar
Size:	330 X 430mm, 350 X 450mm, 430 X 530mm, 530 X 630mm or on request
Cover:	In flat shape of arc shape
Handle:	Holder or frame

5. Sanitary Rectangular Manhole / Manway Cover

Pressure:	0.2 bar to 1 bar
Size:	235 X 185mm, 425 X 335mm, 535 X 435mm or on request
Height:	80 ~ 150mm
Wall Thickness:	8mm