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tank 20 inch aluminium flange type manhole cover

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Address: NO.2, sanjiang industrial zone,Oubei,Wenzhou,Zhejiang,China

Phone: 86--13605870916

Contact name:Diana wu

Yongjia sanjiang petroleum machinery factory

tank 20 inch aluminium flange type manhole cover

City & Province Wenzhou Zhejiang
Categories Mining Machinery Parts

Product Details

tank aluminium manhole cover

installed on the top of oil tanker and used for injecting oil,checking gas recovery,mendin the internal inlet.also can protect the tanker under the emergency. when inject oil,the outside temperature's change will lead the tankers inside pressure to change.then the manlids breathing valve can automatically makethe tanker pressure to the normal level. If some emergency happen,like the tanker overturn,the breathing valve will automatically close to avoid the tanker's explosion when under the fire condition.

Feature: Steel butt plate,pressure vacuum valve can ventilate the oil tanker,different manipulation.can set up different pressure.

Pressure vacuum valve has the automatically seal function,can avoid the oil leakage.Before completely open the butt plate,double opening device can make the tankers remaining gas to discharge safely.

Parameter:

Size

20 inch

Emergency Breathing valve

10 inch

Pressure resistance

0.254MPA
Emergency open pressure

21KPA-32KPA

Max air flow rate

7000m³/H

Connect way

Hooped

Temperature

-20 to 70°C

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