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Home » Products » Metal Fire doors » Steel Door 3 Hour Fire Rated Hollow Metal Fire Door UL Listed WHI Green Single Leaf Positive Pressure Steel Frame
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Steel Door 3 Hour Fire Rated Hollow Metal Fire Door UL Listed WHI Green Single Leaf Positive Pressure Steel Frame

$398

Steel Door 3 Hour Fire Rated Hollow Metal Fire Door UL Listed WHI Green Single Leaf Positive Pressure Steel Frame

MOQ20 sets
Price Range$398-465 / set
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Description

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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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This steel door is a fire rated hollow metal fire door supplied as a single leaf in a matched pressed steel frame, and it is certified to 3 Hour both under neutral pressure and as a 3 Hour positive pressure category A door, with the matching frame certified from 20 minutes through 45, 60 and 90 minutes up to 3 Hour positive pressure as a category C standard frame. The door leaf is identified as a listed fire door under certificate WHI15-21778302 and the frame under certificate WHI15-21778301, tested in accordance with UL 10(b), UL 10(c), NFPA 252 and CAN ULC S104. The leaf is the 3 Hour polystyrene core construction and carries a temperature rise rating greater than 650 degrees Fahrenheit at 30 minutes, with every unit identified by a label bearing the wording Listed Fire Door together with a time interval, a temperature rise rating, a serial number and the certification mark. Standard construction includes 18 and 20 gauge steel door skins, a 16 gauge flush top channel, a 16 gauge inverted bottom channel, a standard seamless edge, a 20 gauge dust cover, 7 gauge hinge reinforcement, 12 gauge closer reinforcement and 14 gauge lock reinforcement, in a leaf with a minimum thickness of 45 mm and a maximum width of 1208 mm and maximum height of 2416 mm for single leaf installation, while the frame is supplied from 16 gauge steel with a cement mortar grouted masonry fixing. Five knuckle stainless steel hinges, a lever handle with keyed cylinder and an overhead closer complete the set, and the doorset is finished with a rust inhibitive primer to ANSI/SDI 250.10 and top coated in medium mint green with plenty of optional colours available.

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Production Process

From Raw Sheet to Finished Door

01
Appearance design

Appearance Design

In-house CAD drawing & engineering

02
CNC cutting

CNC Cutting

Fiber-laser cutting of steel sheet

03
Bending

Bending

CNC bending to precise profiles

04
Welding

Welding

Frame assembly & seam welding

05
Polishing

Polishing

Surface grinding & finishing

06
Gluing

Gluing

Panel bonding & assembly

07
Hot pressing

Hot Pressing

Lamination under heat & pressure

08
Painting line

Painting Line

Overhead conveyor coating

09
Appearance inspection

QC Inspection

Appearance & dimensional check

10
Packing

Packing

Export-grade protective packing

5Production lines
12,208 m²Factory floor space
24R&D engineers
10QA/QC inspectors
FAQs
Founded in 2002 in Chongqing, China, we are a professional manufacturer and exporter specializing in fire doors, safety doors, interior doors and related products.
We are a direct factory, a leading door manufacturer.
We hold ISO9001 certification, and our products have passed US ITS and UK BS fire resistance tests, with strict quality control throughout production.
Yes. We support OEM & ODM, including custom materials, finishes, colors, sizes and hardware.
Wide product range, stable quality, competitive factory prices, strong project solution capability, global export experience and on-time delivery.
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