Working PrincipleWhen 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
Details introduction:
Basic Info.
Model NO.:YAD
Export Markets:Global
Additional Info.
Trademark:Riter, OEM
Packing:Carton
Standard:DIN, 3A, SMS, ISO, RJT, BPE, JTS
Origin:Wenzhou, China
Production Capacity:200000PCS/Year
Product Description
Product name: Pressure Circular Manhole cover
Model: YAD
Specification: 400mm, 430mm, 450mm, 500mm, 600mm
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 hinger and frame, to ensure accurately 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.
Standard Design
Riter 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 it with your requirement.
Technical Data
Working pressure: Max. Pressure is 5.0bar
Working negative pressure: Full vacuum
Range of temperature: -10º C to 250º C
Material
Steel parts: 304 or 316L
Seal: EPDM
If you are interested in, pls don't hesitate to contact us. Specification is out of our standard.