Yongjia Sanjiang Oil Equipment Factory
Main products:Oil Tanker Accessories
Products
Contact Us
  • Contact Person : Mr. Gong Xiuhua
  • Company Name : Yongjia Sanjiang Oil Equipment Factory
  • Tel : 86-577-67331883
  • Fax : 86-577-67325581
  • Address : Zhejiang,Wenzhou,Sanjiang Industrial Zone, Oubei Town, Yongjia County
  • Country/Region : China

manhole cover

manhole cover
Product Detailed
Carbon steel Mmanhole cover Management Certification: ISO 9001:2000 Fit EN13317:2002 standard Size:20 inch

Carbon steel Manhole cover

installed on the top of oil tanker and used for injecting oil ,checking gas recovery,mending 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 make the 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.

Body: SS

Breathing valve: AL  alloy

Handle: steel

Insurance deduction:SS

Seal:FPM

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 tanker's remaining gas to discharge safely.

 Parameter:

Size

20"

Breathing valve

10"

Pressure resistance

0.254MPA

Open pressure

21KPA-32KPA

Max air flow rate

7000m³ /H

Connect way

Flange 

Temperature 

-20 to 70 °C



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