Emergency air surge protection for pneumatic-filled tanks
Poly’s SAFE-Surge® manway covers ensure that your tank maintains the proper ACFM at all times – even in the event of air surges that can’t be handled by primary venting. This system was designed specifically for pneumatic-filled tanks.
- Is never to be considered part of your primary venting.
- Releases at a 6-inch water column to prevent over-pressurization.
- Features an easy inspection port.
- Is available for 19- and 24-inch manways.
This cover is REQUIRED in pneumatic filling operations excluding scrubbers. For detailed venting requirements, please refer to our Venting Chart.