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Qingdao Tennry Carbon Co., Ltd.
Qingdao Tennry Carbon Co., Ltd.
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Intumescent Fire Grilles

Intumescent fire grill is a vital fire-protection component for building ventilation systems. Subjected to high temperature, it intumesces quickly to create dense fire-resistant layers, shutting off air passages and stopping flame and smoke propagation. It features stable chemical properties, non-toxic fume emission and reliable fire-blocking capacity. Simple for installation and maintenance, it supports custom dimensions. Widely applied in ventilation and air-conditioning ducts to satisfy building fire safety standards


Specifications of Intumescent Fire Grilles



FSVENTIL V25

FSVENTIL V40

FSVENTIL V50

FSVENTIL V60

Width /mm

100-600

100-600

100-600

100-600

Height/mm

100-600

100-600

100-600

100-600

Thickness/mm

25

40

50

60

Drafting efficiency

60%

60%

60%

60%

Duration of fire resistance

15-30min

60min

90min

120min



FSVENTIL VC40

FSVENTIL VC60

Diameter/mm

100-600

100-600

Thickness/mm

40

60

Drafting efficiency

60%

60%

Duration of fire resistance

60min

120min


Products

Features of Intumescent Fire Grilles

Sensitive Temperature Response
Premium Structural Composition
Simple Installation
Application Limitation
Features of Intumescent Fire Grilles
Sensitive Temperature Response

The grille triggers an intumescent reaction at a temperature range of 100–120°C, achieving full rapid closure within 5 minutes (the specific closing time varies according to actual heat exposure conditions).


Features of Intumescent Fire Grilles
Premium Structural Composition

Adopts a durable thermoplastic outer shell, filled with high-performance FSBZ100 and FSBZ104 intumescent materials, ensuring stable and reliable fire-resistant performance.


Features of Intumescent Fire Grilles
Simple Installation

Features a streamlined structural design for effortless and efficient installation with no complex construction procedures required.


Features of Intumescent Fire Grilles
Application Limitation

Designed exclusively for indoor use.

Intumescent Fire Grilles

This intumescent fire-resistant ventilation grille is widely applicable to commercial and industrial building projects. It is professionally installed at wall, ceiling and floor penetration points, as well as matching fire doors, firewalls and fire-rated partition walls to meet standardized fire protection and ventilation requirements.

To adapt to various engineering and installation demands, the product supports diversified customization:

  • Multiple sizes and thicknesses are available to cover all types of application scenarios.

  • Standard color is gray; custom color options are provided on request.

  • Standard grille spacing is 50mm; non-standard spacing sizes can be customized per specific technical requirements (subject to prior confirmation).


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