Porvene Model 500

• Porvene's 500 Series Quiet Glide Grille is constructed using Aluminum tubes over solid steel rods giving added strength for security and features low friction nylon blocks mounted to the bottom bar for quiet operation. Clear anodized finish is standard on the guides, bottom bar and round tubes. Available, dependent on size, as Hand Operation or Chain Operation or Chain Operation and can be upgraded to Electric Operation.
• High cycle options available 150,000 cycles
• Dual cylinder thumb turns and protective cups
• Bottom bar mounted dropped ceiling seal
• Fascia panels
• Security pattern
• Structural steel tube mounting system
• Thru wall chain hoist
• Stainless steel reinforcing rods exterior application