Anderson Greenwood Series 4210A Emergency Pressure Vent and Manway Cover
Provides access and emergency protection against costly ruptures.
- Hinged cover provides a fixed pivot point, ensures proper reseating and added safety.
- Cover cannot separate from the base.
- Easily lifted open to provide a large, unobstructed passage for easy tank access.
- ‘Tite seal’ diaphragm design ensures minimum vapor leakage losses to 1 CFH at 90% of setting.
- Durable PTFE seal backed by a non-asbestos cushion disc for added resiliency and reduced leakage.
- PTFE diaphragm protects the cushion disc from direct contact with tank vapors in chemical and low temperature applications.
- Carbon steel units have steel bases with a welded and machined stainless steel tip on the nozzle perimeter to ensure a corrosion resistant seating surface.
- Optional stainless steel bases for chemical and low temperature applications.
- Flange mounting dimensions conform to either API 650 or ANSI 150#.
Optional vacuum valve available in cover.
