- Automatically relieves pressure at 5 PSI.
- Maximum flow of 220 CFM at 20 PSI.
- Flame arrestor prevents sparks and flame from igniting drum contents.
- Fits 2″ bung hole in steel and plastic drums.
- For drums in horizontal (pouring) position. Manual vacuum relief by lifting and rotating valve stem.
- FM approved.
Specifications:
- Part Number: 272030
- Pressure: 5 psi
- Bung Hole: 2″
- Max. Flow at 20 psi: 220 cfm
- Weight: 1 lb
- Disclaimer: Wesco is unable to offer specific recommendations for chemical usage. Wesco recommends that if a question arises, the user contact the supplier of chemicals to determine if this product is compatible with those chemicals.



