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door closer Manufacturers

I have found results from800+products and200+suppliers aboutdoor closer

Wenzhou Liwang Hardware Technology Co., Ltd.mic-icon
Satisfies 1/1 of your requirement
Fire Rated Security Control Adjustable Hydraulic Swing Concealed Sliding Door Closer

Fire Rated Security Control Adjustable Hydraulic Swing Concealed Sliding Door Closer

US$6.40-7.50
500 Pieces(MOQ)
Sample Available
Multi-Functional Hydraulic Automatic Adjustable Door Closer for Fire Door Slide Arm Optional

Multi-Functional Hydraulic Automatic Adjustable Door Closer for Fire Door Slide Arm Optional

US$6.00-8.50
500 Pieces(MOQ)
Sample Available
Aluminum Fireproof Two Speed Adjustable Buffered Door Closer with American Standard

Aluminum Fireproof Two Speed Adjustable Buffered Door Closer with American Standard

US$4.50-8.30
500 Pieces(MOQ)
Sample Available
Adjustable Soft Closing Spring Concealed Sliding Hydraulic Fire Rated Aluminum Door Closer

Adjustable Soft Closing Spring Concealed Sliding Hydraulic Fire Rated Aluminum Door Closer

US$4.50-8.30
500 Pieces(MOQ)
Sample Available
Two Speed Adjustable Fire Rated Heavy Duty Aluminum Hydraulic Door Closer

Two Speed Adjustable Fire Rated Heavy Duty Aluminum Hydraulic Door Closer

US$5.00-7.50
500 Pieces(MOQ)
Sample Available
Precise Aluminum Delay Action Arm Type Automatic Adjustable Hydraulic Sliding Door Closer

Precise Aluminum Delay Action Arm Type Automatic Adjustable Hydraulic Sliding Door Closer

US$6.00-8.50
500 Pieces(MOQ)
Sample Available
Heavy Duty Adjustable Aluminum Automatic Soft Closing Hydraulic Door Closer

Heavy Duty Adjustable Aluminum Automatic Soft Closing Hydraulic Door Closer

US$6.50-11.50
500 Pieces(MOQ)
Sample Available
Special Ultra-Thin Aluminum Alloy Hydraulic Hidden Adjustable Automatic Sliding Door Closer

Special Ultra-Thin Aluminum Alloy Hydraulic Hidden Adjustable Automatic Sliding Door Closer

US$6.40-7.50
500 Pieces(MOQ)
Sample Available
Multi-Size Fire Rated Adjustable Hydraulic Sliding Door Closer with Barrier Free Function

Multi-Size Fire Rated Adjustable Hydraulic Sliding Door Closer with Barrier Free Function

US$5.00-12.00
500 Pieces(MOQ)
Sample Available
High Strength Automatic Back Check Hydraulic Sliding Door Closer with UL Certification

High Strength Automatic Back Check Hydraulic Sliding Door Closer with UL Certification

US$5.80-7.50
500 Pieces(MOQ)
Sample Available
Automatic Fire Resistance Hold Open Sliding Door Closer with Adjustable Arms

Automatic Fire Resistance Hold Open Sliding Door Closer with Adjustable Arms

US$5.00-7.50
500 Pieces(MOQ)
Sample Available
High Strength Fire Resistance Heavy Duty Sliding Door Closer with Speed Control

High Strength Fire Resistance Heavy Duty Sliding Door Closer with Speed Control

US$5.00-7.50
500 Pieces(MOQ)
Sample Available
American Standard Two-Way Hydraulic Automatic Buffer Invisible Sliding Door Closer

American Standard Two-Way Hydraulic Automatic Buffer Invisible Sliding Door Closer

US$5.00-7.50
500 Pieces(MOQ)
Sample Available
OEM Adjustable Control Security Products Automatic Hydraulic Fire Rated Door Closer

OEM Adjustable Control Security Products Automatic Hydraulic Fire Rated Door Closer

US$4.50-10.00
500 Pieces(MOQ)
Sample Available
Soft Closed Two Speed Adjustable Automatic Aluminum Door Closer for 40-65kg Door

Soft Closed Two Speed Adjustable Automatic Aluminum Door Closer for 40-65kg Door

US$7.00-9.60
500 Pieces(MOQ)
Sample Available
UL Standard Dual Valve Reversible Sliding Hydraulic Door Closer for 45-65kg Door

UL Standard Dual Valve Reversible Sliding Hydraulic Door Closer for 45-65kg Door

US$5.00-7.50
500 Pieces(MOQ)
Sample Available
Security Durable Fire Rated Hold Open Hydraulic Door Closer with UL Standard

Security Durable Fire Rated Hold Open Hydraulic Door Closer with UL Standard

US$6.40-7.50
500 Pieces(MOQ)
Sample Available
European Style Fire Rated Hidden Hydraulic Adjustable Door Closer with Needle Bearing

European Style Fire Rated Hidden Hydraulic Adjustable Door Closer with Needle Bearing

US$6.40-7.50
500 Pieces(MOQ)
Sample Available
Automatic Fire Rated Delayed Arm Type Hold Open Spring Hydraulic Door Closer

Automatic Fire Rated Delayed Arm Type Hold Open Spring Hydraulic Door Closer

US$5.00-7.50
500 Pieces(MOQ)
Sample Available
OEM Furniture Hardware Fittings Aluminum Hydraulic Door Closer for Fire-Proof Door

OEM Furniture Hardware Fittings Aluminum Hydraulic Door Closer for Fire-Proof Door

US$6.40-7.50
500 Pieces(MOQ)
Sample Available
High Strength Home Office Door Hardware Automatic Heavy Door Closer with Sliding Arm

High Strength Home Office Door Hardware Automatic Heavy Door Closer with Sliding Arm

US$4.50-8.30
500 Pieces(MOQ)
Sample Available
Adjustable Two Speed Spring Automatic Concealed Door Closer with Needle Bearing

Adjustable Two Speed Spring Automatic Concealed Door Closer with Needle Bearing

US$6.40-7.50
500 Pieces(MOQ)
Sample Available
Home Office Automatic Aluminum Buffered Sliding Door Closer with Delay for Fireproof Door

Home Office Automatic Aluminum Buffered Sliding Door Closer with Delay for Fireproof Door

US$5.80-7.50
500 Pieces(MOQ)
Sample Available
Automatic Fire Rated Hydraulic Door Closer in Aluminum for 65-85kg Door

Automatic Fire Rated Hydraulic Door Closer in Aluminum for 65-85kg Door

US$4.30-6.90
500 Pieces(MOQ)
Sample Available
Quiet Reversible Spring Heavy Duty Automatic Sliding Door Closer for Building Door

Quiet Reversible Spring Heavy Duty Automatic Sliding Door Closer for Building Door

US$6.40-7.50
500 Pieces(MOQ)
Sample Available
Building Hardware Fittings Adjustable Aluminium Sliding Door Closer for Fire-Proof Door

Building Hardware Fittings Adjustable Aluminium Sliding Door Closer for Fire-Proof Door

US$6.50-7.50
500 Pieces(MOQ)
Sample Available
Automatic Hydraulic Hidden Aluminum Sliding Door Closer with Closed Signal Feedback

Automatic Hydraulic Hidden Aluminum Sliding Door Closer with Closed Signal Feedback

US$5.00-7.50
500 Pieces(MOQ)
Sample Available
Adjustable Hydraulic Hold Open Hidden Door Closer with Delayed Function

Adjustable Hydraulic Hold Open Hidden Door Closer with Delayed Function

US$5.00-7.50
500 Pieces(MOQ)
Sample Available
UL Furniture Hardware Heavy Triangle Spring Door Closer with One Year Warranty

UL Furniture Hardware Heavy Triangle Spring Door Closer with One Year Warranty

US$4.30-6.90
500 Pieces(MOQ)
Sample Available
Automatic Door Hardware Hydraulic Door Closer for Fire Rated Door with Delay Action

Automatic Door Hardware Hydraulic Door Closer for Fire Rated Door with Delay Action

US$5.20-8.20
500 Pieces(MOQ)
Sample Available
Fire Exits Door Hardware Adjustable Aluminum Two Speed Door Closer for 950mm Door

Fire Exits Door Hardware Adjustable Aluminum Two Speed Door Closer for 950mm Door

US$4.30-6.90
500 Pieces(MOQ)
Sample Available
Outside-Mounted Positioning Fireproof Hold Open Hydraulic Door Closer with Multiple Size

Outside-Mounted Positioning Fireproof Hold Open Hydraulic Door Closer with Multiple Size

US$5.00-7.50
500 Pieces(MOQ)
Sample Available
Door Accessories Fireproof Aluminum Automatic Hydraulic Sliding Door Closer

Door Accessories Fireproof Aluminum Automatic Hydraulic Sliding Door Closer

US$3.50-5.60
500 Pieces(MOQ)
Sample Available
Heavy Weight Fire Doors Adjustable Door Opener Closer with Back Check Function

Heavy Weight Fire Doors Adjustable Door Opener Closer with Back Check Function

US$10.00-12.00
500 Pieces(MOQ)
Sample Available
Oubao Security Technology Co., Ltd.mic-icon
Satisfies 1/1 of your requirement
China Door Hardware Automatic Sliding Hydraulic Door Closer UL10c 3 Hours Fire Rated (OB03)

China Door Hardware Automatic Sliding Hydraulic Door Closer UL10c 3 Hours Fire Rated (OB03)

US$18.77-28.77
300 Pieces(MOQ)
Sample Available
Fire Resistant Aluminum Hydraulic Adjustable Door Closer for 25-45kg Door

Fire Resistant Aluminum Hydraulic Adjustable Door Closer for 25-45kg Door

US$6.89-7.58
300 Pieces(MOQ)
Sample Available
UL Door Hardware Fittings Door Closer for Fire-Proof Door

UL Door Hardware Fittings Door Closer for Fire-Proof Door

US$6.45-7.09
300 Pieces(MOQ)
Sample Available
Adjustable Aluminium Door Closer for Fire-Proof Door&CE&UL (501)

Adjustable Aluminium Door Closer for Fire-Proof Door&CE&UL (501)

US$6.32-6.95
300 Pieces(MOQ)
Sample Available
UL Building Door Hardware Fittings Adjustable Aluminium Door Closer for Fire-Proof Door (502)

UL Building Door Hardware Fittings Adjustable Aluminium Door Closer for Fire-Proof Door (502)

US$6.57-7.23
300 Pieces(MOQ)
Sample Available
Adjustable CE&UL Fireproof Aluminum Listed Door Closer for 80-120kg Door (605)

Adjustable CE&UL Fireproof Aluminum Listed Door Closer for 80-120kg Door (605)

US$10.05-12.06
300 Pieces(MOQ)
Sample Available
ANSI Grade 1 Heavy Duty Commercial Hydraulic Door Closer for Fire Door

ANSI Grade 1 Heavy Duty Commercial Hydraulic Door Closer for Fire Door

US$12.90-15.47
300 Pieces(MOQ)
Sample Available
Adjustable CE&UL Fireproof Aluminum Listed Door Closer for 30-45kg Door (602)

Adjustable CE&UL Fireproof Aluminum Listed Door Closer for 30-45kg Door (602)

US$5.05-6.06
300 Pieces(MOQ)
Sample Available
UL Fittings Security Hydraulic Spring Door Closer for 40-65kg Door

UL Fittings Security Hydraulic Spring Door Closer for 40-65kg Door

US$7.14-7.86
300 Pieces(MOQ)
Sample Available
Adjustable Aluminium Door Closer (600 Series) CE&UL Listed

Adjustable Aluminium Door Closer (600 Series) CE&UL Listed

US$4.80-12.00
300 Pieces(MOQ)
China Manufacturer Building Door Hardware Fittings Heavy Hydraulic Door Closer (9016BC)

China Manufacturer Building Door Hardware Fittings Heavy Hydraulic Door Closer (9016BC)

US$16.06-17.66
300 Pieces(MOQ)
Sample Available
Adjustable Hydraulic Spring Door Closer for Fire Door with Sliding Track

Adjustable Hydraulic Spring Door Closer for Fire Door with Sliding Track

Negotiable
300 Pieces(MOQ)
Oubao CE Us Fire Rated Heavy Duty Commercia Door Closer European Egypt (9024DA)

Oubao CE Us Fire Rated Heavy Duty Commercia Door Closer European Egypt (9024DA)

US$12.26-13.49
300 Pieces(MOQ)
Sample Available
Fire Resistant Aluminum Hydraulic Heavy Duty Commercial Door Closer with Back Check

Fire Resistant Aluminum Hydraulic Heavy Duty Commercial Door Closer with Back Check

US$15.49-18.58
300 Pieces(MOQ)
Sample Available
D&D Hardware Industrial Co., Ltd.mic-icon
Satisfies 1/1 of your requirement

Sourcing guidance for Door Closer

How to choose the correct power size for a door closer based on door weight and width?

Selecting the right power size (EN 1-7) is critical for operational safety. For standard internal doors (up to 950mm/60kg), an EN 3 rated closer is typically sufficient. For heavy-duty commercial doors or external doors subject to wind pressure, you should opt for adjustable power sizes (EN 2-5 or EN 1-6) to ensure the closing force can be fine-tuned. Always verify that the closer's maximum load capacity exceeds your door's actual weight by at least 20% to prevent premature hydraulic failure.

What are the essential functional features to look for in commercial-grade door closers?

Professional buyers should prioritize three key hydraulic adjustments: Closing Speed (controls the overall swing), Latching Speed (ensures the door overcomes the latch bolt resistance in the last 10-15 degrees), and Backcheck (BC). Backcheck is vital for high-traffic areas as it prevents the door from being flung open by wind or force, protecting the wall and the door frame from structural damage.

Which international compliance standards are mandatory for fire-rated door closers?

For export to Europe, products must carry the CE mark and comply with EN 1154, which classifies closers by durability and fire resistance. For the North American market, UL 10C (Positive Pressure Fire Test) and ANSI/BHMA A156.4 Grade 1 certifications are the gold standards. Ensure the supplier provides a Declaration of Performance (DoP) to guarantee the product is legally fit for fire door installations.

What material specifications ensure long-term durability in high-corrosion environments?

In coastal or high-humidity areas, the housing should be made of high-grade cast aluminum or stainless steel. The internal spring must be high-quality chrome silicon steel, and the hydraulic oil should be all-weather fluid to ensure consistent viscosity and performance in temperatures ranging from -35°C to 50°C. Look for a salt spray test rating of at least 240 hours for the finish.

Cross-Border Procurement Strategies for Door Closers

How can I mitigate quality risks when sourcing door closers from overseas suppliers?

Request a cycle test report from a third-party lab (like Intertek or SGS) confirming the product has passed 500,000 to 1,000,000 opening cycles. Before bulk shipment, utilize the inspection services on Made-in-China.com to verify that the hydraulic seals are leak-free and that the finish matches the approved sample.

What are the key negotiation points for bulk B2B door closer orders?

Focus on the warranty period, which should be at least 5 to 10 years for Grade 1 closers. Negotiate for 1-2% spare parts (valves, arms, and screw packs) to be included at no extra cost. For large volumes, ask for customized branding (OEM) on the cover and installation templates printed in your local language to reduce end-user support costs.

What shipping precautions should be taken for hydraulic hardware?

Door closers contain hydraulic oil, which can be sensitive to extreme pressure changes during air freight. Ensure the packaging includes thick EPE foam padding to prevent the heavy cast bodies from damaging each other. For sea freight, use desiccant packs inside the master cartons to prevent moisture from causing surface oxidation on the metal arms during long transit times.

How do I ensure transaction security and supplier reliability?

Always conduct transactions through Secured Trading Services on reputable platforms like Made-in-China.com to protect your payment until the goods are shipped. Prioritize Audited Suppliers who have undergone on-site factory verification to ensure they have the actual manufacturing capacity and are not just small trading intermediaries.

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