Sanitary Stainless Steel Pressure Round Manhole Cover (Manway) with Sight Glasses

• Customization: Available
• Steel Parts: 304 or 316L
• Seal: EPDM
• Model NO.: NM13012
• Working Negative Pressure: Full Vacuum
• Range of Temperature: -10 to 250 Degree Celsius
• Size: 200-600
• Transport Package: in Carton, Plywood Case
• Specification: DIN, 3A, SMS, ISO, RJT, BPE, JTS
• Trademark: NUOMENG, OEM
• Origin: Wenzhou, China
• HS Code: 843490000
• Production Capacity: 20000PCS/Year

Product Description

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 enusre accurately closure when the manhole cover close,and the manhole cover close,and the hinge can let the opened manhole cover stop above 30 degree angle of upright position).thus the seriviceman 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.
 

Product name	Stainless Steel Sanitary Round Manhole Cover
. Application: .	Manhole cover(Manway) is widely used for pressure vessel in the fields of food, beverage, chemical, etc.
· Body Materials:	AIS1-304 or AISl-316L
· Gasket Material:	Silicon,EPDM,VITON(Valve seat and gasket comply with FDA21CFR177 2600)
· Handle:	Plastic handle wheel or stainless steel handle wheel
. Available size	Φ200- Φ600
· Height:	80mm,100mm(Normal),120mm,150mm,or upon your request
· Max Pressure :	3.0bar
· Surface treatment:	Ra16~64uin(0.4~1.6μm)

DELIVERY:
Usually within 20days after receiving T/T down payment,depend on qty.

PAYMENT:
We prefer to do T/T or LC. 

FAQ:
I. Are you factory?
Yes,we are factory and we're specialized in manufacturing Valve and fittings for 15 years.
II. Which countries do you export to?
We're exporting to about 40 countries around the world. For Europe and America Area ,it takes about 30%,Middle East area:40%, Africa area:30%.
III. If you can do valve in our brand?
Yes,we can do your brand,but need you to provide the certificate of authorization for us.
IV. Where is your factory ?
Our factory is located in Wenzhou city.  If you have time ,welcome to visit us!
V.Which delivery port do you usually use?
There are three port we usually use:Shanghai pot,Ningbo port.
VI,What kinds of certificates do you have?
We have ISO9001:2000 quality certificates,3A certificates and ISO14001:2014, FDA



Packing: