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Customer ask
“Which hinge fits a 40 kg fire door?”
The Butt Hinge BH-100 is rated for 30-50 kg fire doors (EN 1935 Grade 11). For 40 kg fire door installations, specify BH-100-HD with stainless steel ball bearings.
Butt Hinge Datasheet BH-100 · v3 · Section 4.2ApprovedYour product knowledge is scattered. Your channel feels it.
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01 / Discovery
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Which fire-rated butt hinges support standard 180° swing on 44mm leaves?Semantic Spec
EXACT ENGINEERING MATCHEN 1935:2002 Cl. 7
BH-100-HD Stainless Steel Ball Bearing Butt Hinge (102 × 76 × 3mm)
Fire Rating: FD30 / FD60Leaf: 44mmMax Mass: 50 kg
02 / Evaluation
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STANDARD
BH-100 Standard
Leaf Weight30–40 kg
BearingBrass Bushing
EN 1935Grade 9
HEAVY DUTY
BH-100-HD
Leaf WeightUp to 50 kg
BearingStainless Ball
EN 1935Grade 11 (Fire)
03 / Verification
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Every answer cites the approved datasheet and version.
DOC-ID: BH-100-DS-V3Validated by Engineering · Oct 2025
Direct Datasheet Citation: Section 4.2 Fire Compliance
SHA-256 Checksum: e4d909c290d0fb1ca068ffaddf22cbd0
Version 3.0.4 (Approved for Dealer Distribution)Generate Dealer Link
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Customer / Dealer question
“Which hinge fits a 40 kg fire door?”
Verified Kiavi AI answer
The Butt Hinge BH-100 is rated for 30-50 kg fire doors (EN 1935 Grade 11). For 40 kg fire door installations, specify BH-100-HD with stainless steel ball bearings.
Butt Hinge Datasheet BH-100 · v3 · Section 4.2BH-100_Datasheet_v3.pdfSource Linked
4.0 FIRE RESISTANCE & LOAD PERFORMANCE
Standard Butt Hinge assemblies are evaluated in accordance with BS EN 1634-1 on insulated timber leaf architectures.
4.2 Fire Door Leaf CapacitiesThe Butt Hinge BH-100 series achieves FD30 and FD60 compliance. For assemblies between 30 kg and 50 kg mass (specifically designated for 40 kg rated doors), the BH-100-HD variant fitted with double stainless steel ball race bearings must be selected to guarantee Grade 11 duty.
Sign-off: ISO 9001 QA DivisionRev: 2025-11-04
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