EN1935 Manufacturer 3D Hidden Door Hinge for Heavy Duty Door-DDCH008-G120

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Why architects specify our hidden hinge for heavy door  

1. Certified load hero – 120 kg/per leaf capacity means one pair supports 240 kg solid timber or steel doors without sag.  

2. 200,000 cycle longevity – Independently tested to BS EN1935:2002 class 14, the hinge still operated like new after 200,000 

open/close cycles, giving specifiers confidence for high-traffic hotels, hospitals and premium residential entrances.  

3. 132 minutes fire integrity – EN1634-1 assessed; the hinge maintains door alignment and seal compression for 132 min, 

helping the whole doorset achieve EI2 classification and meet UK & EU fire regulations.  

4. 48-hour salt-spray defence – EN1670 grade 4 corrosion resistance lets you fit the hinge on coastal villas, indoor pool areas 

or marine vessels without fear of rust bleeding through the frame.  

5. True 3D micro-adjustment – ±3 mm side, ±2 mm height and ±1 mm compression fine-tuning after the door is hung, eliminating 

costly frame re-machining and guaranteeing even reveal gaps for silent, draught-free closure.  

6. 100 % concealed when closed – No knuckles, no pins, no shadow lines; just uninterrupted door-to-frame aesthetics demanded 

by minimalist interiors and high-end cabinetry.  

7. Tamper-proof security – Because every fixing is hidden, the hinge cannot be removed or cropped from the outside, making it 

the smart choice for panic rooms, VIP suites and secure data centres.

Hidden hinge for heavy door applications  

- Luxury apartment entrance doors 80–120 kg  

- Fire-rated hotel suite doorsets  

- Executive office solid-core timber doors  

- Hidden library/bookcase doors that swing 180°  

- Marine yacht engine-room hatches  

- Coastal or humid indoor pool changing rooms  

- High-frequency restaurant kitchen swing doors

Technical snapshot – DDCH008-G120  

Material: Hardened 304 stainless-steel housing with zinc-plated steel slider block  

Finish: Satin stainless steel, fingerprint-free electro-coating  

Leaf dimensions: 200 mm × 28 mm × 28 mm (concealed pocket)  

Screw centres: 170 mm / 25 mm  

Adjustment range: Side ±3 mm, Height ±2 mm, Compression ±1 mm  

Max door weight: 120 kg per hinge (use two hinges up to 240 kg, three hinges up to 360 kg)  

Max door width: 1 200 mm  

Max door thickness: 40–80 mm  

Fire rating: 132 min integrity & insulation (EI2) on 60 mm solid-core door  

Cycle test: BS EN1935 class 14, 200 000 cycles  

Corrosion test: EN1670 grade 4, 48 h neutral salt spray  

Standards: CE & UKCA marked, Declaration of Performance (DoP) available  

Accessories: Supplied with stainless-steel TORX security screws, 3 mm Allen key for 3D adjustment, fitting template and 10-year 

manufacturer warranty card.

Installation advantage – no routing guesswork  

Each DDCH008-G120 hidden hinge for heavy door ships with a full-size plywood routing template.  Simply tape the template to 

the door edge, plunge-route one 200 mm × 28 mm × 16 mm pocket, repeat on the frame, and clip the hinge in place.  Because 

adjustment is external, you can hang the door first and fine-tune later, saving hours of site labour and keeping your project on schedule.

Sustainability & compliance  

- 100 % recyclable stainless-steel body  

- RohS-compliant finish, free of lead, mercury and hexavalent chromium  

- 10-year functional warranty reduces replacement waste  

- Helps doorsets meet BREEAM & LEED indoor air-quality credits because no volatile lubricants are exposed.

Order & logistics  

MOQ: 300 pcs (sample box of 2 pcs available)  

Lead time: 3–5 days for sample, 15–20 days for 500–2 000 pcs  

Packaging: Recyclable kraft box + foam insert, 10 pcs/ctn, gross weight 13 kg  

Incoterms: EXW, FOB Shenzhen, CIF DDP optional  

Payment: T/T 30 % deposit, 70 % before shipment; PayPal accepted for samples.

If you are searching for a reliable EN1935 manufacturer 3D hidden door hinge for heavy duty door that is fire-rated 132 minutes, 

corrosion-proof 48 hours and cycle-tested 200 000 times, model DDCH008-G120 is the hidden hinge for heavy door specialists

 trust across Europe, North America and the Middle-East.  Contact our hardware engineers today for BIM objects, CERT files and 

same-day quotation.

Contact us:

David Jian

Tel / WhatsApp / Wechat:+86-13929037292

Email:sales@danddhardware.com

TEL:+86-750-3856396

FAX: +86-750-3856395

Address: 12th Floor, Building 2, No.898, KeChuang Technical Zone,Jiangmen Avenue, Pengjiang District, Jiangmen City, Guangdong, China 529000