3Hour Fire Rated Double Leaf Steel Fire Door with Fire Rated Vision Panel for US Commercial Building Projects
3Hour Fire Rated Double Leaf Steel Fire Door with Fire Rated Vision Panel for US Commercial Building Projects
| MOQ | 20 sets |
| Price Range | $398-465 / set |
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Application: Hospital, Supermarket, Workshop, Warehouse
Position: Interior, Commercial
Type: Fire Door
Feature: fire prevention
Door Material: Steel
Opening Method: Push and Pull
Special Door Type: Laboratory fire rated door
Design Style: Modern
Main Material: Steel/Glass
Material: steel
Sliding Door Type: unavailable
Surface Finishing: Finished
Warranty: 3 Years
After-sale Service: Online Technical Support
Project Solution Capability: graphic design, total solution for projects
Door Type: Glass
Screen Netting Material: Fiberglass
Place of Origin: Chongqing, China
Brand Name: BEST
Model Number: MX2DDN2158FA
Surface treatment: Powder Coating/Painting/Heat Transfer Print
Open Style: Manually Push
Selling Units: Single item
Single package size: 165X15X220 cm
Single gross weight: 65.0 kg
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UL Listed 3 Hour Fire Rated Steel Door. Door certified under WHI15-21778302 as a Category A door, rated 3 Hour Neutral Pressure and 3 Hour Positive Pressure, for installation singly or in pairs. Matched frame certified under WHI15-21778301. 45 mm leaves built from two galvanized steel face sheets folded into a closed steel shell, with 16 gauge inverted top and bottom end channels welded inside and a 10 Gauge hinge reinforcement. Filled with polystyrene or honeycomb core. Hardware to ANSI/BHMA A156.115. UL Listed stainless steel hinges, overhead closer, rim panic exit device and flush bolts concealed in the inactive leaf. Active leaf factory prepared for a mortise or cylindrical lock. Standard pairs up to 2416 mm total width, each leaf up to 1208 mm wide and 2416 mm high, leaf thickness 45 mm minimum. Vision panel up to 1296 sq.in and louver up to 576 sq.in with 18 gauge channel reinforcement. Powder coated finish – highly durable, cost effective and with minimal heavy metals. RAL colour charts and customer colour samples available for project colour matching. Masonry rated frame available for 3 hour applications. 16 gauge pressed steel frame, knock-down or welded. MCM500 masonry and MCD500 drywall. 3 hour rating applies to masonry walls; for pairs in drywall the anchors are fixed at the head section at a minimum of 24 in on centre. Continuous mechanical interlocking edge seam filled with an internal sealant, formed on a 180 degree return hem and welded on the inside, then ground and surface finished, so the exterior face shows no visible weld line. Meeting edges of pairs may require an astragal or an edge-sealing system. The door is evaluated as a Category A door without an additional edge-sealing system between the door and the frame. Certified with a temperature rise of greater than 650F at 30 minutes. Tested to UL 10(b), UL 10(c), NFPA 252 and CAN/ULC S104.
From Raw Sheet to Finished Door

Appearance Design
In-house CAD drawing & engineering

CNC Cutting
Fiber-laser cutting of steel sheet

Bending
CNC bending to precise profiles

Welding
Frame assembly & seam welding

Polishing
Surface grinding & finishing

Gluing
Panel bonding & assembly

Hot Pressing
Lamination under heat & pressure

Painting Line
Overhead conveyor coating

QC Inspection
Appearance & dimensional check

Packing
Export-grade protective packing





