- 主頁 /
- Tools & Home Improvement /
- Hardware /
- Door Hardware & Locks /
- Door Closers /
- Dorma 7421 Center Bottom Arm
物品 #:
56313919
Dorma 7421 Center Bottom Arm
物品 #:
56313919
HKD 1062
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from 美國
0 ratings
轉寫評價
有存貨
從USA商店導入
現在訂購，約可在下列時間收貨： 星期四, 九月 10
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Weight capacity when used with RTS Series closer is 250 lb. Recommended for wood doors or any door weighing in excess of 200 lb.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of 美國 store (110-120). Recommended power converters 立即購買.
What Stands Out
Durable Construction
Designed with high-quality materials, the Dorma 7421 Center Bottom Arm ensures long-lasting performance and reliability, making it ideal for heavy-duty applications.
Easy Installation
The straightforward design allows for quick and hassle-free installation, minimizing downtime and ensuring efficient operation for door systems.
Versatile Compatibility
Compatible with various door types, this bottom arm provides flexibility in installation, accommodating diverse architectural needs without compromising functionality.
產品詳情
| Brand Name | Dorma |
| Number of Items | 1 |
| Manufacturer | Dorma |
| Manufacturer Part Number | 7421 |
| Model Number | 7421 |
| Installation Type | Screw-In |
| Recommended Uses For Product | commercial buildings, high-traffic areas |
| Item Weight | 0.27 g |
| Material Type | Metal |
| Material | Metal |
| Brand | Dorma |
Who Should Buy?
-
Commercial Spaces
Ideal for businesses needing durable, high-performance door control in high traffic areas for safety and accessibility.
-
Heavy Doors
Suitable for installations with heavy doors, providing strong support and reliability in daily operations.
-
Professionals
Recommended for contractors and builders requiring high-quality door hardware for reliable, long-lasting installations.
-
Light Residential Use
Home users looking for lightweight door solutions may find this product over-engineered for casual needs.
產品敘述
Dorma 7421 Center Bottom Arm
有疑問？ 與我們聊天
客戶問題與解答
-
題:
What is the Dorma 7421 Center Bottom Arm used for?
回答: The Dorma 7421 Center Bottom Arm is primarily designed for use with automatic and manual sliding doors, ensuring smooth and efficient door operation. Its precision engineering enables the arm to provide adequate force to facilitate the door's movement, minimizing wear and ensuring durability. Ideal for both residential and commercial applications, this component is vital for maintaining functionality in high-traffic areas such as storefronts and office entrances. -
題:
How do I install the Dorma 7421 Center Bottom Arm?
回答: Installing the Dorma 7421 Center Bottom Arm can typically be done by following the manufacturer's installation guidelines. Begin by ensuring the door and track are correctly aligned, and use the provided mounting brackets to secure the arm in place. Proper alignment is crucial as it affects the door's performance. This setup is often implemented in various environments, from retail spaces to entrances in busy buildings, where reliable door operation is essential. -
題:
What materials are used in the Dorma 7421 Center Bottom Arm?
回答: The Dorma 7421 Center Bottom Arm is constructed from high-quality materials, commonly aluminum and reinforced plastics designed for longevity and performance. These materials are chosen for their lightweight properties and resistance to wear, ensuring that the arm can withstand the rigors of continual use. This robust construction makes it suitable for areas with varying climatic conditions, maintaining functionality over time while minimizing maintenance needs. -
題:
Is the Dorma 7421 Center Bottom Arm compatible with other brands?
回答: While the Dorma 7421 Center Bottom Arm is specifically engineered for Dorma products, it may have limited compatibility with select brands due to similar specifications. However, it’s advisable to consult compatibility charts or contact a specialist for confirmation. Businesses often benefit from using original parts to ensure optimal performance and longevity, especially in automated systems where precision is paramount. -
題:
What are the benefits of using the Dorma 7421 Center Bottom Arm?
回答: Using the Dorma 7421 Center Bottom Arm provides several advantages, including improved door operation, enhanced safety, and reliability. Its design helps in reducing wear and tear on the sliding door system, leading to less frequent repairs. Ideal for high-usage environments, such as hospitals or schools, this arm facilitates accessibility and ease of movement, supporting both foot traffic and vehicle access seamlessly. -
題:
Can the Dorma 7421 Center Bottom Arm be adjusted?
回答: Yes, the Dorma 7421 Center Bottom Arm typically allows for some degree of adjustment to accommodate different door weights and types. This feature enables users to fine-tune the arm's position and force based on specific door requirements. It is particularly useful in settings where door functionality may vary due to changes in usage patterns or environmental factors, ensuring optimal performance at all times. -
題:
Where is the Dorma 7421 Center Bottom Arm manufactured?
回答: The Dorma 7421 Center Bottom Arm is manufactured in regions recognized for their expertise in high-quality hardware production. This includes stringent quality control measures ensuring each unit meets robust performance standards. By sourcing this arm from reputable manufacturers, users can trust in its durability and reliability, making it an excellent choice for anyone looking to upgrade or maintain their door systems. -
題:
What features should I look for in a bottom arm like the Dorma 7421?
回答: When selecting a bottom arm, consider factors such as durability, ease of installation, and compatibility with your existing sliding door system. Look for features like adjustable tension settings and robust materials for long-lasting performance. The Dorma 7421 stands out in this regard since it effectively balances quality and functionality, making it suitable for different operational settings from commercial spaces to residential applications. -
題:
How does the Dorma 7421 Center Bottom Arm affect the overall door system?
回答: The Dorma 7421 Center Bottom Arm plays a crucial role in the overall performance of a sliding door system. It affects how smoothly and safely the door operates, contributing to a quieter operation and minimizing strain on other components. A well-functioning arm ensures safety and security in high-traffic areas like office buildings and public venues, where efficient door access is necessary for both staff and visitors. -
題:
Where can I buy the Dorma 7421 Center Bottom Arm?
回答: You can purchase the Dorma 7421 Center Bottom Arm from Ubuy in Hong Kong. Ubuy offers a reliable platform for securing this component, providing a seamless shopping experience with access to detailed product information and customer support, ensuring you find the right part for your needs.
Dorma Door Closers 7421 Editorial Review
未找到編輯評論
Customer Reviews & Ratings
1 客戶評分
-
5 星
100%
-
4 星
0%
-
3 星
0%
-
2 星
0%
-
1 星
0%
評價此產品
與其他客戶分享您的想法
Platform Trust & Buyer Confidence
FZ
F Zhang
Verified buyer
“Good product, and smooth delivery!”
18-Jul-26 · via Trustpilot
RD
Roxy
Verified buyer
“Great products and services”
17 April 2026 · via Trustpilot
KD
Khushi
Verified buyer
“Ubuy Hong Kong is a game-changer. I was looking for a specific American brand that doesn't ship to Asia, and Ubuy had it in stock. The selection of global products is incredible. It saves me the hassle of using freight forwarders or asking friends to bring items over. The process was seamless from checkout to delivery”
6 July 2026 · via Trustpilot
KM
kritika
Verified buyer
“I?m always nervous buying electronics and skincare online, but Ubuy Hong Kong delivered exactly what I ordered and it was 100% genuine. It?s refreshing to find a platform that you can actually trust with premium brands. Will definitely be a returning customer.”
3 July 2026 · via Trustpilot
S
Sam
Verified buyer
“Great product, good packing, the goods arrived quickly and well protected.”
6 June 2026 · via Trustpilot
安全結帳
Global Delivery
Easy Returns
Genuine Products
Product Price History
重要資訊
- 限制：如跨國購買產品，請注意製造商的保固有可能無效；製造商服務選項可能無法使用；產品手冊、教學、以及安全警示可能不會是目的地國家的語言；產品（與附加材料）設計也許不會符合目的地國家的標準、規格、以及標示要求；且產品也許不會符合目的地國家的伏特數值與其他電力標準（需要使用合適的變壓器或轉接器）。收件者須負責確定該產品在目的地國家可合法進口。當在 Ubuy 或其聯盟夥伴網站上訂購時，收件者為記錄上的進口者，且必須遵從目的地國家的法律與規範。
- 由於 Ubuy 是一個全球搜尋引擎，並不是所有列於 Ubuy 的產品都有出售。產品須受出口／貿易法規規範。
HKD 1062
現在訂購，約可在下列時間收貨： 星期四, 九月 10
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
特色和優勢
- Weight capacity of up to 250 lb.
- Recommended for wood doors or doors weighing over 200 lb.
- Requires a 1-1/8 mortise depth.
- Provides a bottom door clearance of 5/16.
- Part of Dorma's Keyless Access & Other Door Hardware collection.
- Suitable for use with RTS Series closers.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.