The best quality and faith bring us the good market, such as USA, CANADA, BRAZIL, AUSTRALIA, UK, GERMANY, ITALY,        SPAIN,    TURKEY, ALGERIA, DUBAI, RUSSIA, UKRAINE, SINGAPORE, MALAYSIA etc. “Made in DUNHUI” in many Countries.

   “DUNHUI” is your correct choice. Welcome to visit 

 1.   High quality and low price YR type Sanitary Manhole Cover for food grade       

Product Advantages:

1)Small in size and light in weight and maintaince.
   It can be mounted whereever needed.

2)Simple, compact structure, quick 90 degree on-off operation

3)Disc has two-way bearing, perfect seal, without leakage under 
   the pressure test.

4)Flow curve tending to straight-line. Excellent regulation performance.

5)Various kinds of materials, applicable to different medium.

6)Strong wash and brush resistance and can fit to bad working condition.

7)Center plate structure, small torque of open and close.

8)Long service life. Standing the test of ten thousands opening and 
   closing operation.

9)Can be used in cutting off and regulation medium

 2.  Main performance indicators

 3. Main Dimensions

High quality and low price YR type Sanitary Manhole Cover for food grade

High quality and low price YR type Sanitary Manhole Cover for food grade

High quality and low price YR type Sanitary Manhole Cover for food grade

High quality and low price YR type Sanitary Manhole Cover for food grade

High quality and low price YR type Sanitary Manhole Cover for food grade

High quality and low price YR type Sanitary Manhole Cover for food grade

High quality and low price YR type Sanitary Manhole Cover for food grade
    

4. Inspection Process

 5  Valve total picture

6. package and transport

7. Technical Standard: 

 Design: EN593 
 Face to face: EN558-1

 Flange drilling: EN1092 
 Upper flange connection: ISO 5211

 8. Personnel station:

  Have professional salesmen, and 6 Engineers, More than 30 inspectors. 

 9. Quality and Safety:

We have a very strict and complete quality control system, which promises that goods we produced are always of the best quality, the enough inspectors to ensure that each product can meet the quality requirements of customers. We do the final inspection in own factory with ISO 9001:2008.

10.Location:

 DUNHUI has a convenient location at the city’s exporting business zone, Dongli District. We are only 9 km to Tianjin  International Airport, and very close to major highways,TIANJIN port. We look forward to work with your business!