Original
Por proceso de dar un título 
Tank Lorry Manhole Cover
Descriptions
Petroleum manhole cover is installed on the top of tank truck. Tank lorry manhole cove is used to refuel the oil, to check and maintain the internal tank. Tank truck manhole cover can protect the tank in case of emergency. Under normal conditions, Galvanized steel manhole cover ensures the positive and negative pressure balance inside and outside of the oil tank.When it is involved in emergency traffic accident, the emergency exhaust valve will open to prevent explosion.
Offset manhole cover is the entrance of fluid transfer, inspection and maintaining the inside fuel tank.In normal, breathing vent is closed, When it is loading and unloading petroleum , the pressure inside and outside of the fuel tank will change. Breath vent of manhole cover will open automatically to keep the tank pressure balance between inside and outside of fuel tank.
When tank truck is involved in an emergency such as tank truck rollover or car accident, Emergency Exhaust Valve will work automatically to prevent explosion.Tank truck manhole cover can protect the fuel tank safety.
Refuel manhole cover accords with EN13317:2002 standard for safety, precision and durability. Size 16" and 20" are available. China National Petroleum Corporation (CNPC) and China Petrochemical Corporation (SINOPEC) had used Refuel brand manhole cover for fifteen years. Fuel tank carbon steel manhole cover is widely used in oil companies and transport fleets at home and abroad.
RKG-6306C
RKG-S-560C
Material
Body: Galvanized steel
Breathing valve: Aluminum alloy
Handle: Steel
Safety locker: Stainless steel
Seal: NBR
Technical Data
Item |
RKG-6306C |
RKG-S-560C |
Size |
16", 20" |
16", 20" |
Emergency exhausting valve |
10" |
|
Working pressure |
0.254MPA |
|
Emergency open pressure |
21Kpa-32Kpa |
|
Emergency venting capacity |
7000m³ /Hair |
|
Connection mode |
Hooped |
Flanged |
Temperature |
-20 to +70 ℃ |
|
Packing size |
48x47x23cm |
49x49x24cm |
Net weight |
14kgs, 18kgs |
11kgs, 14kgs |
Gross weight |
16kgs, 20kgs |
12kgs, 16kgs |
Packing |
1pc/Carton |
1pc/Carton |
Feature
1) Emergency exhausting valve is equipped on the manhole cover.
2) The breathing valve is installed as required to make the tanker ventilated.
3) Emergency exhausting valve and breathing valve has automatic sealing function to avoid leakage under emergency.
4) Double open allows safe release of remaining gas before fully opening the cover board.
5) Two reserved blind holes on the main cover can be installed with vapor recovery valve and optic sensor.
6) Self-aligning seal ensures pressure tight operation at all times
7) According to EN13317:2002 standard
Picture
http://es.toploadingarm.com/
