钢质平开门

The SEPPES steel rolling doors are constructed using steel of superior quality which provides maximum strength and corrosion resistance. All of our steel doors are easy to operate. The steel doors are fitted with various safety mechanisms such as anti-collision sensors and automatic stopping devices, which enable the doors to operate without causing injury to any person or damage to any object. No matter the application, like protecting a factory, a store, a warehouse, or a garage, our steel rolling doors can fulfill your requirement, giving a brilliant combination of safety, functionality, and easy access.

SEPPES: Your Premier Manufacturer Of Double Steel Doors

SEPPES is a leading manufacturer of high-quality steel swing doors, committed to providing exceptional products that enhance efficiency and security in various industries. Drawing inspiration from cutting-edge technology, we consistently deliver reliable and innovative door solutions.

Core Technology Of Steel Swing Door

耐用性: High-quality steel construction ensures long-lasting strength.
平稳运行: Easy to open and close, ideal for high-traffic areas.
多用途: Perfect for use in warehouses, factories, hospitals, and more.
可定制: Available in various sizes and finishes to suit your needs.
安全: Meets safety standards for secure and reliable operation.
低维护: Requires minimal upkeep, reducing long-term costs.

Steel Swing Door – Technical Specifications

特点	钢质平开门
厚度	50mm / 100mm (customizable)
Panel Type	Color-coated galvanized steel (Color GI) or stainless steel (SUS Panel) with polyurethane foam core for insulation
Lock Type	Handle lock, globular lock, split lock, push-type panic bar, SUS handle (optional fingerprint or digital lock)
Controlling Type	Exposed door closer, hidden door closer, interlocking system, compatible with access control systems
Application Fields	Food processing, pharmaceutical plants, electronic cleanrooms, laboratories, logistics centers, warehouses
Door Frame Material	High-strength galvanized steel or stainless steel, corrosion-resistant and durable
Surface Finish	Powder coating / Electro-polished / Brushed stainless steel
Optional Vision Window	Double-layer tempered glass viewing window (square or round shape optional)
Glass Properties	Tempered glass / Fireproof glass / Explosion-proof glass / Dimmable glass (optional)
Opening Direction	Single swing or double swing, left or right opening optional
密封性能	Equipped with EPDM sealing strips around the frame, ensuring excellent air-tightness and sound insulation

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Applications of Steel Swing Door

Steel swing doors deliver robust, reliable access that enhances security and efficiency in warehouses, factories, cleanrooms, and commercial buildings—just a few examples. Thanks to heavy-gauge steel panels, reinforced hinges, and precise locking systems, these doors ensure excellent durability, impact resistance, and thermal insulation for both interior and exterior applications. They stand out especially within the application zones listed below.

无尘室

Steel swing doors suit parking areas because they’re durable, secure, corrosion-resistant, easy to maintain, and handle high traffic with reliable operation.

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制药厂

Steel swing doors fit pharma factories: durable, hygienic, easy to clean, corrosion-resistant, tight sealing, supports GMP compliance, and ensures secure access control.

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Resources on Steel Swing Door

1.谁是领先的无尘室门制造商？

2. 冷藏推拉门：优化现代设施的温度控制、卫生和效率

中国领先的钢卷帘门制造商 - SEPPES

我们公司 SEPPES 是一个专业 工业门制造商.产品出口到 70 个国家.我们的产品拥有多项技术专利和欧盟 CE 认证，并在以下领域拥有丰富的经验快速卷帘门快速门、高速卷帘门、高速螺旋门、高速堆积门，以及 PVC 卷帘门.

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为什么选择我们

Here are 4 main reasons why many foreign buyers wholesale steel Swing door from SEPPES Factory in China, along with fair data parameters for each point:

Global export credibility

Evidence: 65+ countries, thousands of clients.1 Reference: 40–60 countries; 3k–5k clients; 10–15 yrs export.

Cost and scale advantage

Evidence: Rising steel exports signal capacity and efficiency. Reference: 8–15% unit savings at 200+ MOQ; 15–30 day lead time.

Evidence: Wide catalogs, configurable specs (glazing, finishes).1 Reference: 10–20 models; ±2–3 mm tolerance; 6–12 colors; 60–120 min fire rating.

Quality and compliance support

Evidence: Advanced equipment, pro teams, global clients imply QA. Reference: ISO 9001; CE DoP; <1.5% DOA defect; 1–3 yr warranty; 3–5 QC stages.

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钢卷帘门

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我们了不起的客户

我们有 出口到超过 65 个国家和地区.我们强大的互联网服务和安装团队帮助我们与来自以下地区的客户建立联系欧洲, the Middle East, 南美洲, and South East Asia.

我们拥有真实权威的证书

SEPPES 国际商标认证

自公司成立以来，SEPPES 已在多个国家获得了商标注册。每一个新的认证都标志着我们的品牌在世界范围内得到越来越多的认可，这反过来又加强了我们的竞争地位，扩大了我们在国际市场上的影响力。

欢迎访问 SEPPES 的工业门工厂

常见问题

Q : What are steel swing doors and where are they used?

A: Swing doors constructed with steel sheets are very much valued due their durability and security. They are used in commercial and industrial settings, as well as warehouses, hospitals, and even office entryways. The doors’ constructions are extremely sturdy, which helps it to be very useful in high security and high-traffic areas.

Q: What are the standard materials and steel thickness?

A:The majority of steel swing doors are made of cold-rolled or galvanized steel in order to prevent roaring. Steel sheets of doors are normally are compared for thickness, and are made of 1.0-1.5 mm sheets, and steel used for a frames are usually of a slightly thicker gauge and are used for maintaining structural strength.

Q: Are fire-rated versions available?

A:Yes, fire-rated steel doors are available and are convenient satisfying essential building codes. The most common fire resistant capabilities are rated for 30, 60, 90, and 120 minutes of fire exposure, which are proven by testing standards like UL or BS.

Q: How are the doors protected from rust and corrosion?

A: Galvanized steel is powder coated or uses prime paint as a coat, and is said to be very useful as protection for doors. Provides a layer of protection from rust, scratches, and against environmental conditions, which is very helpful in fulfilling a demanding service.

Q: What hardware is compatible with these doors?

A:Swing doors are made from stainless steel and are compatible with various hardware items and accessories like hinges, mortise locks, cylindrical locks, surface-mounted and concealed door closers, panic exit devices, and door closers, along with other accessories for security and accessibility applications.

Q:Can I order custom sizes and what are the typical tolerances?

A:When taking wholesale orders for such doors, they are invariably customized to the buyer’s specification, and fit as “structural openings” of the door frames. Such steel and other composite doors have very tight manufacturing tolerances, usually ±2-3 mm, to ensure that the door closes perfectly.

Q:What insulation and soundproofing options exist?

A:Doors with stainless steel finishes are engineered to have a sound blocker feature that reduces the transmission of sound. They can also be filled with other insulation cores to achieve specific acoustic control such as honeycomb paper, polyurethane foam, or rock wool.

Q:What certifications should I look for?

A:For chrome doors and other types of doors, the reputable suppliers ensure that they operate with ISO 9001, which is the quality control maxim. For other areas of the world, the suppliers provide a CE mark, while for the USA and Canada, the doors carry a UL mark.

Q:What are typical lead times and minimum order quantities (MOQ)?

A:Depending on the volume of the customized and non-customized orders, the lead time is from 20 to 45 days. For customized orders, there is a minimum limit set which, is required to enable the buyer to access the factory-direct price.

Q:What kind of warranty and maintenance is required?

A:A standard warranty covers manufacturing defects for a term of 1 to 3 years. Steel doors are nearly maintenance free. Maintenance is usually confined to thorough cleaning and checking of the doors’ hardware to guarantee operation.