Aluminum Alloy Manhole Cover Plate

Descriptions

Petroleum manhole cover is installed on the top of tank truck. Fuel tank manhole cover is used to fill the oil, to check and maintain the internal tank, Tank truck manhole cover can protect the tank in case of emergency. Under normal conditions, Aluminum 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.

Refuel brand fuel manhole cover accords with EN13317: 2002 standard for safety,precision and durability. Size 16" and 20" are available. Bolted manhole cover with 10" balanced manlid is available. Fuel tank manhole cover is widely used in oil companies and transport fleets at home and abroad.

                                                                       RKG-AL-460

                                                            RKG-AL-560

Material

Body: Aluminum alloy

Breathing valve: Aluminum alloy

Pressure handle: Steel

Safety button: Stainless steel

Seal: NBR, Buna N

Technical Data

Feature

1) Emergency exhausting valve is equipped on the manhole cover.

2) The breathing valve can open automatically, it meet NTTC DOT406 standard.

3) Emergency exhausting valve and breathing valve has automatic sealing function to avoid leakage under emergency.

4) Two-stage opening allows safe release of compartment pressure before fully opening the cover board.

5) Two reserved blind holes be installed with vapor recovery valve and optic sensor.

6) Automatic sealing of vent in a rollover situation to prevent danger and fuel spillage.

7) According to EN13317:2002 and NTTC DOT406 standard

Picture

http://es.toploadingarm.com/