Products

20 inch Manhole Cover Bolted

Flanged manhole cover is fastened by 24 bolts . Manhole cover can be open up to 135 ° , three auxiliary holes can be used for installing vapor recovery valve and anti-overflow sensor and so on. It meets related requirements of the standard GB 18564.1-207 9. Main body is aluminium. 

Applications:

a. When the tank's interior pressure is 6 to 12 KPa higher than external, the breathing valve should be open. 
b. When the tank's interior pressure is 2 to 4 KPa lower than external, the breathing valve should be open. 
Remark: The sealing material should be replaced within 6 months, special working condition need to be customized. 

Features & Benefits

Model Numbers

  • KT03-560A

Repair Parts

Downloads

  • Technical Drawing

Videos

Features & Benefits

Model Numbers

  • KT03-560A

Downloads

  • Technical Drawing

Videos