OEM Aluminium Housing UL Fire Back Check External Hydraulic Door Closer

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OEM Aluminium Housing UL Fire Back Check External Hydraulic Door Closer

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Product Description

Basic Information

Model NO.:OB03

Material:Aluminum Alloy

Type:Door Closer

Installation:Standard

Standard:American Standard

Door Width:750-1400mm

Door Weight:15-150kg

Max Angle:180°

HS Code:8301400000

Capacity:200,000 pieces/Month

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Product Description

OEM Aluminium Housing UL Fire Back Check External Hydraulic Door Closer

America Style Designed, Heavy Duty for Commercial Doors.
UL Certificated, 2 Million Cycles in Endurance.
Precise Cast Iron Body & Forged Steel Arm, Hold Open Arm Optional.
Adjustable Closing & Latching Speed.
Adjustable Back-Check, Delay Action Optional.
Precision Heavy Duty Rack (Piston) & Pinion Gear, Needle Bearing.
Decorative Plastic Cover & Stainless Steel Cover Optional.
Barrier Free, Lower opening resistance for the handicapped/Elderly.

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Product Parameters

Specification	Details
Product	Door Closer
Product Size	Multi size 1-6
Width of Door	750-1400mm
Weight of Door	15-150kg / 33-330lbs
Linkage Function	DC24V working state, auto release when power off
Feedback Function	Normally open or normally closed signal feedback
Installation Method	Standard, door frame, or concealed installation

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Detailed Photos

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Dimensional Drawing

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Advantages

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Manufacturing Overview

We specialize in the production and marketing of door hardware, furniture hardware, bathroom, and glass-related hardware. Our core culture is "Quality first, Customer first," providing professional service for clients worldwide. Our principle is to provide high-quality, fashionable designs, honest and effective service, competitive pricing, and timely delivery to every one of our valued customers.

Frequently Asked Questions

What certifications do your products have?

Our products are CE and UL certified. All designs follow international standards such as EN/CE, UL, and ANSI.

Do you provide OEM or ODM services?

Yes, we are professionals in OEM and ODM services, currently cooperating with several famous international brands.

How do you ensure product quality?

We have a comprehensive quality management system. Each procedure throughout mass production is strictly controlled according to international instructions and requirements.

Are you a factory or a trading company?

We are an SGS audited factory with over 10 years of manufacturing experience in architectural and door hardware.

What are your standard payment terms?

Our accepted payment terms generally include T/T and L/C.

How can I receive the latest product pricing?

Please send your specific requirements via our inquiry form or contact channels; we typically reply with pricing within 24 hours.