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LSDD door electric door opener supplier for door

LSDD door electric door opener supplier for door

LSDD door electric door opener supplier for door

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Application Scope
LSDD's door opener is widely used in the Manufacturing Hardware industry.LSDD has been engaged in the production of door opener for many years and has accumulated rich industry experience. We have the ability to provide comprehensive and quality solutions according to actual situations and needs of different customers.Our products are produced in accordance with . All materials used in the products are well selected and purchased from our reliable partners, which guarantees the competitive price and stable performance.
Company Advantages
1. There are different electric door opener in various sizes available.
2. It is durable. Not only the fabric but the cutting, stitching is done with great care, so chances of wear and tear are less.
3. The product does not have a drop stitching problem. A uniform yarn tension in the machine is ensured and yarn feed rate is regulated properly to guarantee consistent stitches.
4. Being recognized by customers, this product has shown a great and sustainable competitive advantage.

Company Features
1. Fuyang Lushan Machinery Factory is one of the most influential electric door opener supplier in the field.
2. Supported by mature technology, LSDD has enough capability to offer qualified swing out garage door opener for customers.
3. Our wish is to promote the popularity of LSDD brand to the global. Get quote! We strive to acquire the marketplace and many praised customer support with our greatest quality electric swing door opener . Get quote! Fuyang Lushan Machinery Factory makes every attempt to create products which meet customer requirements. Get quote!
Associated Brands


A. Balance Spring

B. Door Opener

C. Power Distribution Box

D. Alarm Lamp (Optional)

E. Control Unit

F. Safety Air Senson

G. Loop Detector

H. Buffered Device



1. With 5 standard mechanical rotary limit switches;

2. Can choose the absolute value encoder electronics limit;

3. Can choose a quick release mechanism;

4. There is a group of peripheral interface, can connect with infrared photocell, safety edge switch and door safety protection device;

5. There are two model control system: built-in control panel and separate control box;

6. With phase sequence detection, and overload protection, phase correction.

Product application environment display

Industrial door operator can be used for torsion spring balance industrial doors. The operator can be installed by directly drive(shaft drive), also can be installed by indirect drive(by the other chain sprocket drive).

The mechanical limit form, containing built-in motor brake .The optional quick release mechanism.

Product Description

Delmatic Specialized is engaged in the industrial door operator research and development, manufacturing and sales, the company has 20 years experience in design and manufacture of electric door machine industry technical team and management team.Companycooperate withGerman companies, in strict accordance with the European standards for production, quality validation from users all over the world. 


Table of Performance Parameter of Industrial gate opening machiness:

Input VoltageAC220VAV220VAC380VAC380V
Rated Power300W500W300W450W
Startup Torque35N.m60N.m60N.m100N.m
No-load Running Time15min15min25min25min
Maximum door weight800kg1200kg1200kg2000kg
Total weight13kg14kg13kg14kg
Retarding Mechanism

Mechanism completely built with cooper worm wheels and worm rods

No-load Rotating speed


LubricationOil submerging
Thermal Protective Temperature120ºC
Ambient Temperature-20ºC~+45ºC
Working SystemS2 20% (continuous running under load not exceeding 10min)
Protective levelIP 54
Mode of supportive power-controlSplit type (All-in-one)
Type of limit switchElectronic limit
Swift release upon power failurePull-rope release(incorporated)None
Chain-wheel specificationPitch 12.7mm    Humber of teeth 205-parts-16-teeth
Max. Limited Journey20 rounds rotation of the output shaftExternal journey switch


Products Features:

  • Unique quick release mechanism, convenient switch door in an emergency;
  • The reduction gearbox adopts precision worm gear, worm drive and oil-immersed lubrication, smooth transmission, low noise and long service life;
  • Built-in limit, the structure is more compact, more convenient sdjustment;
  • According to different structure, can choose the on load bearing or down bearing installation;
  • Can choose according to need to use split type electric control or all-in-one control;
  • Control box with infrared, balloon and so on the many kinds of protection interface.


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