POLY DRUM VALVE/LEADING
1.suitable for 2 inches opening of metal oil barrel 2.polyethylene material, odorless, non-toxic,suitable for low corrosion non-flammable liquid 3. usage: turn on and off the faucet through rotating handle
4.lockable, padlocks need to be purchased
5. sealing: thread is not easy to damage, no dripping; Contains epdm (ethylene propylene rubber) o type sealing ring;
6. the vent nut can be connected with the liquid level display tube.