- Cast & Forged[6]
- Other Mechanical Parts[6]
- Valves[6]
- Pipe Fittings[6]
- Other Truck Parts[6]
- Flanges[3]
- Seals[1]
- Instrument Parts & Accessories[1]
- Alarm[1]
- Electrical Plugs & Sockets[1]
- Pumps[6]
- 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
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tanker 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 changewill lead the tanker's inside pressure to change.Then the manlid's 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 toavoid the tanker's explosion when under the fire condition.
Feature: Steel butt plate,pressure vacuum valve can ventilate the oil tanker, different manipulatio 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.
All types manhole cover has the breathing valve
Breathing valve's different pressure set can fit different operation requirement
Breathing valve has the automatically seal's function,can avoid leakage under emergency
Fit EN13317:2002 standard
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 | Flange |
Temperature | -20 to 70 °C |