China Sanitary Stainless Steel Pressure Circular &Round Manhole Cover Manway

Round Outward Manway With Pressure
Application:
Pressure type manhole cover series are major use to the pressure tank of food,wine-producing,beverage and pharmacy industries and so on.
Working Principle:
When need repair the storage 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 accurately closure when the manhole cover close,cover stop above 30 degree angle of upright position),thus the serviceman can check the storage tank;when the manhole cover and the tank can ensure complete sealing ,so ,we can avoid leakage of the tank.
Standard Design:
NUOMENG have Elliptical or Round,without sight glass or with union type sight glass manhole cover.Pressure manhole cover can have above 4 handwheel to fix the device,the handwheel quantity is depend on the size,the pressure,and the temperature.Also we can produce based on your requirement.
If you are interested in, pls don't hesitate to contact us.

SizeOD
mmt
mmH
mmt1
mmHandwheel
NumPress
(Bar) 200 206 3 100 3 4 1-3 300 306 3 100 3 4 1-3350 356 3 100 3 5 1-3 400 406 3 100 3 6 1-3 430 436 3 100 3 6 1-3 450 456 3 100 3 6 1-3 500 508 4 100 3 6 1-3 600 608 4 100 4 6 1-3