Commercial Door Knob Functions - Direct Door Hardware

Author: victor

May. 26, 2025

Commercial Door Knob Functions - Direct Door Hardware

When shopping for commercial door hardware there are a lot of functions available to accommodate all kinds of commercial applications. And it may be easier for you to shop this way, knowing what functions does what. We’ll cover everything from basic entry lock functions to exit security locks.

If you want to learn more, please visit our website.

Shop with Confidence for Commercial Door Knobs

As you can see, commercial door knobs are not one-size-fits-all; their functions vary to accommodate the specific needs of different spaces. The broad range of commercial door knob functions makes determining the differences between these different functions challenging. That's why we put together this guide to make your shopping experience a little easier, because we understand that allows business owners to make informed decisions about the security and accessibility of their buildings.

An Entry Lock Function: An entry function has a keyed cylinder on the outside and a push button for locking the door on the inside. The inside button will lock the lever on the outside until you unlock it by rotating the inside lever or by using the key on the outside.

Entry/Office Lock: This style will have a keyed cylinder on the outside and a turn/push button to lock the inside. The turning button will lock the outside lever which will require the outside lever to be unlocked with the key until the button is manually unlocked by the inside. If its a push button, it will lock the outside lever until you rotate the lever from the inside or you unlock by the key from the outside. The inside lever is always free.

Office Lock: The office lock will have a keyed cylinder on the outside and a turn button on the inside. Turning the button will lock the outside lever requiring you to use the key to unlock until the button is manually turned or unlocked from the inside. The inside lever is always free.

Classroom Lock: The classroom lock will have a keyed cylinder on the outside and can be locked and unlocked by the key and the inside lever is always free.

Exit Security Lock: This lock will retract the latch by either lever except if the key from the inside lever has locked the outside lever. And when the outside lever is locked you can use the key on the outside lever or turn the inside lever to retract the latch.

Asylum Lock: The Asylum function includes a deadlocking latch bolt and can be operated by the key on either side. Both of the levers will always be inoperable so it will always require a key to open the latch.

Dormitory Lock: This style also includes a deadlocking latch bolt and can be operated by the levers except when locked by the push button on the inside lever. The key on outside lever will lock or unlock the outside lever and automatically releases the button. Closing the door also releases the push button. The inside lever is always free.

Storeroom Lock: This style of lock includes a deadlocking latch bolt that is operated by the lever inside or by the key on the outside. Outside lever is always inoperable and inside lever is always free.

Storeroom (Electrified - Fail Safe): This lock will open the latch bolt by the lever from either side except when the lever is electrically locked. When the outer lever, that is inoperable, is locked the latch bolt retracts by the keyed cylinder from the outside.

Assisted Living or Corridor Lock: You can lock or unlock this by the key from outside. The push button locks the lever from the inside. Closing the door or turning inside lever will release the button and unlock the door. When the outside lever is locked by the key it can only be unlocked by the key. The inside lever is always unlocked.

Passage/Closet Function: No locking mechanism on this function. The function is always unlocked.

Privacy Hospital Lock: Outside lever is locked by the push button on the inside lever. Rotating the inside lever, closing the door or turning the emergency release turn button on the outside will release the push button. Inside lever is always free.

Dummy Trim: This is a single trim that is surface mounted to the door.

Communicating Passage Lock: The door is opened by the inside lever and the outside is a non removable blank plate.

Exit Non Keyed: This function has a blank plate on the outside and the inside lever is always unlocked.

Patio Lock: This function is operated by either side unless the outside is locked by the push button from the inside. Unlocks by turning inside lever or closing door.

Faculty Restroom Lock: This function has an outside lever that is fixed. Enter by the key only. Push button on the inside lever activates a visual occupancy indicator. An emergency mater key will be able to unlock from the outside if emergency. When turning the inside lever or closing the door will release the visual occupancy indicator. And rotating the inside spanner button provides lock out feature by keeping indicator activated.

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Hotel and Motel Commercial Lock: The deadbolt is retracted by the key in the upper lock from the outside or by the inside turn unit. The bolt automatically deadlocks when fully thrown. Deadlatch retracted by the key in outer fixed knob. Push button in inner knob/lever activates visual occupancy indicator. Rotation of inside spanner button provides lockout feature by keeping indicator thrown. Turning inside knob/lever retracts deadbolt and latch simultaneously for immediate exit.

Communicating Lock: This is locked or unlocked by the key from the outside and there is a blank plate inside.

Door Handles: The Best Material- Complete Guide | IPSA India

The door handle you choose for your space significantly enhances the aesthetic appeal and functionality of the space. From residential property, and commercial to industrial sites, door handles contribute to the overall design while providing easy access to different areas. However, door handles are available in different materials, each with distinct features, advantages, and applications. 

Therefore, understanding each of them is crucial to getting the right one for your needs. The reason behind this is that the material you choose can impact the look, strength, and usability of the handles. Whether you go with a stainless steel door pull handle or aluminum, each brings different advantages. 

IPSA India, architectural hardware suppliers offer a variety of door handles, that cater to different needs and preferences. Further, this guide will provide an in-depth understanding of various door handle materials. Have a look!

Variety of Best Door Handle Materials

Different materials used for the door handles include:-

1. Stainless Steel Door Handles

Overview

Stainless steel is widely recognized for its strength, durability, and corrosion-resistant properties, making it an excellent choice for door handles in both residential and commercial settings. Stainless steel door pull handles are ideal for heavy-traffic areas such as offices, hospitals, and public buildings due to their low maintenance and long lifespan.

Benefits of Stainless Steel Door Handles

  1. Corrosion Resistance: Stainless steel handles do not rust or corrode, even in moisture-prone environments.
  2. Durability: High resistance to impact and wear, making it perfect for frequent usage.
  3. Aesthetic Appeal: Offers a modern and sleek appearance, suitable for contemporary and minimalist interior designs.
  4. Low Maintenance: Requires minimal cleaning and polishing to maintain its shine.
  5. Hygienic Choice: Commonly used in healthcare facilities as stainless steel is easy to sanitize.

Applications

  • Commercial buildings
  • Healthcare facilities
  • Residential homes
  • Industrial settings

Considerations

When selecting a stainless steel door pull handle, consider the grade of stainless steel. Grade 304 and 316 are the most commonly used for architectural hardware due to their high corrosion resistance.

2. Brass Door Handles

Overview

Brass door handles are known for their timeless elegance and classic appeal. Often found in luxury homes, heritage buildings, and hotels, brass handles add a touch of sophistication to any door. Brass pull handles traders offer a wide range of designs, from polished brass to antique finishes.

Benefits of Brass Door Handles

  1. Aesthetic Appeal: Brass offers a luxurious and warm tone, enhancing the elegance of any space.
  2. Durability: Brass is highly durable and can withstand regular usage without losing its appeal.
  3. Anti-Microbial Properties: Brass has natural antibacterial properties, making it suitable for high-contact areas.
  4. Versatility: Available in various finishes, including polished, satin, and antique.

Applications

  • Heritage buildings
  • Hotels and luxury homes
  • High-end commercial spaces
  • Antique-themed interiors

Considerations

Although brass is a durable material, it requires regular polishing to prevent tarnishing, especially in outdoor applications.

3. Aluminum Door Handles

Overview

Aluminum is a lightweight and corrosion-resistant material commonly used for door handles in modern construction. Aluminium pull handles traders supply a variety of designs that suit contemporary and industrial-style interiors. Aluminum handles are an affordable yet durable choice for both residential and commercial buildings.

Benefits of Aluminum Door Handles

  1. Lightweight: Easy to handle and install, reducing overall door weight.
  2. Corrosion Resistance: Resistant to rust and corrosion, making it suitable for outdoor use.
  3. Affordability: More cost-effective compared to stainless steel and brass.
  4. Modern Appearance: Offers a sleek and contemporary look that complements modern interiors.

Applications

  • Office buildings
  • Commercial spaces
  • Modern residential homes
  • Industrial sites

Considerations

Aluminum door handles may not be as durable as stainless steel or brass, especially in high-traffic areas. However, they are an excellent choice for budget-conscious buyers seeking a stylish finish.

4. Other Materials for Door Handles

Zinc Alloy

Zinc alloy handles are commonly used in budget-friendly projects. They offer moderate strength and a decent finish but may lack the durability of stainless steel or brass.

Bronze

Bronze door handles are known for their rustic and traditional appearance. They are suitable for classic and heritage interiors but require regular maintenance to prevent patina.

Iron

For standard and industrial designs, iron handles are perfect. However, they are prone to rust if not properly maintained.

How to Choose the Best Material for Your Door Handles

When choosing the right material for door handles, consider the following factors:

  • Location: For outdoor applications, opt for corrosion-resistant materials like stainless steel or aluminum.
  • Usage: High-traffic areas require durable materials like stainless steel or brass.
  • Aesthetic Preference: Match the handle material with your interior design theme.
  • Maintenance: Determine how much time you can dedicate to maintaining the appearance of your door handles.
  • Budget: Evaluate your budget and choose a material that offers the best value for money.

Partnering with the Right Supplier

Whether you are a homeowner, contractor, or interior designer, working with a reliable supplier is crucial for sourcing high-quality door handles. Collaborating with a stainless steel, brass handles trader, or aluminium pull handles trader ensures you receive durable, stylish, and affordable products.

Conclusion

Choosing the right material for door handles significantly impacts the functionality and aesthetic appeal of your doors. Stainless steel, brass, and aluminum are among the top choices, each offering unique advantages suitable for different applications. While stainless steel provides durability and a sleek look, brass adds a touch of luxury, and aluminum offers cost-effective and lightweight solutions.

If you are looking for more details, kindly visit Door Handle Manufacturer(ar,de,ru).

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