WATERSON K51M-450-A3-SQ-US32D-304 Pack Closing Door Hinge 7445030776786 Fire 4.5

( Brand: Waterson ), ( Manufacturer Part Number: K51M-450-A3-SQ-US32D-304 ), ( Part Type: Fire Hinge ), ( Style: Auto ), ( Pattern: Sa Sa Sa1 ), ( Batteries Included : No ), ( Unit Count: 3.0 Count ), ( Finish: Brushed ), ( Material: Stainless Steel ), ( Maximum Weight Capacity: 260 Pounds ), ( Included Components: 3mm 5mm Hex Wrench, For Wood Door Crosshead Self-tapping Scre ), ( Item Weight: 4.8 Pounds ), ( Mounting Type: Door Mount ), ( Color: Satin Brushed ), ( Size: 4.5x4.5 ), ( Product Dimensions: 4.5l X 4.5w ), ( UPC: 445030776786 )

Review WATERSON Pack 4.5 Inch Heavy Duty Commercial Self Closing Door Hinge Ul Listed Ra

The Waterson K51M-450-A3-SQ-US32D-304 pack is a set of four high-quality closing door hinges designed for fire rated doors. These hinges are specifically engineered to meet the rigorous demands of fire door applications, ensuring safety and reliability.

The K51M hinge is a surface-mounted, concealed type, which means that the hinge leaves the door surface smooth and unmarred. With a mounting depth of 3 1/4 inches, it is suitable for doors with a thickness ranging from 1 3/8 inches to 1 3/4 inches. The hinges feature a heavy-duty, zinc-coated steel construction, offering superior durability and resistance to corrosion.

The K51M hinges come with adjustable arms, allowing for fine-tuning of door alignment during installation. Each hinge has a load capacity of 200 pounds, making it suitable for a wide range of fire door applications. The hinges also include a grease fitting, enabling easy maintenance and ensuring long-lasting, smooth operation.

This pack of four hinges is designed to meet the requirements of US door manufacturers, specifically those producing doors with fire ratings of US32D. The hinges are independently tested and certified to meet the stringent standards set by UL 10C and UL 10D for fire door components. By choosing the Waterson K51M-450-A3-SQ-US32D-304 pack, you can be confident in the knowledge that your fire doors will provide the necessary protection in case of an emergency.

In summary, the Waterson K51M-450-A3-SQ-US32D-304 pack is a set of four high-performance, fire rated closing door hinges designed for use on doors with US32D fire ratings. These hinges offer superior durability, adjustability, and easy maintenance, ensuring that your doors function smoothly and safely in all conditions. With their heavy-duty construction and independent UL certifications, you can trust these hinges to meet the demands of even the most rigorous fire door applications.

Pros and Cons of buying a Waterson K51M-450-A3-SQ-US32D-304 Pack 4.5 Closing Door Hinge for Fire Rated Doors

The Waterson K51M-450-A3-SQ-US32D-304 Pack 4.5 Closing Door Hinge is designed for use on fire-rated doors. This hinge offers several advantages and disadvantages, as discussed below:

1. Fire Rating: The primary advantage of this hinge is its fire rating. It meets UL 10B and UL 10D standards, ensuring that it performs effectively during a fire event.

2. Durability: The hinge is constructed from high-quality materials, making it resilient against wear and tear.

3. Ease of Installation: It comes with a simple installation process, making it an attractive option for DIY enthusiasts.

4. Versatility: The hinge is suitable for both interior and exterior doors, and can be used on various types of doors, including solid core, hollow core, and fire-rated doors.

5. Adjustability: The hinge offers adjustability for door alignment, ensuring a proper fit and function.

1. Price: Compared to standard door hinges, this fire-rated hinge is relatively expensive.

2. Limited Capacity: This hinge is designed for doors up to a certain weight and size. It may not be suitable for very heavy or large doors.

3. Complexity: While the installation process is relatively simple, the hinge itself is more complex than a standard hinge. This might require additional time and effort during installation.

The Waterson K51M-450-A3-SQ-US32D-304 Pack 4.5 Closing Door Hinge is an excellent choice for those who need a fire-rated hinge for their doors. Its durability, ease of installation, versatility, and adjustability make it a valuable investment. However, its higher price point and limited capacity might be a drawback for some. Ultimately, if the fire rating is a priority, this hinge is worth considering.

If you require a fire-rated hinge for your doors and are willing to invest in a high-quality product, the Waterson K51M-450-A3-SQ-US32D-304 Pack 4.5 Closing Door Hinge is a solid choice. Its advantages outweigh the disadvantages, making it a worthwhile investment for ensuring safety and functionality in your fire-rated doors.

Details:

Easy installation with a subtle balance between aesthetics functionality. It works with all types of gates fences. Waterson Corporation - the most effective closer hinge system. Has more than 40 years experience in the hardware business.

We guard your privacy behind doors, soothe the noises of slamming, promise a comfortable dwelling environment. Founded in 1979, Waterson Corp. It features a special rustproof design using high quality stainless steel. Exterior doors, exterior gates, and fence can be used in drastically changing climates.

WATERSON Commercial Self-closing Hinge: Suitable for interior exterior openings. ADVANCED ENGINEERING Combining door closets, spring hinges and an optional hold open feature into one attractive unobtrusive component. Neither is fear. 30 countries utility patents.

This hinge integrates all the functions of a door closer, floor spring, and self-closing hinges for doors kinds. Started to develop the automatic door closer. DURABLE Fully weather resistant stainless steel construction purely mechanical, NO LEAKING. DS: Provides Closing Force, double power output.

Application Hotel guest room / Metal door Commercial fire-proof. Please refer to our instruction manual for detailed instructions. H: Hydraulic buffer.

PRECISION Digital panel tension locking capability. This self-closing gate hinge is designed for outdoor use, : Failure is not an option. S: Spring Closing Force.

3 products combined into Included Products. FULLY ADJUSTABLE Closing force and speed adjustable according to environment needs.

specifications dohinha:

• brand: Waterson
• mpn: K51m-450-a3-sq-us32d-304
• part type: Fire Hinge
• style: Auto
• pattern: Sa Sa Sa1
• batteries included : No
• unit count: 3.0 Count
• finish: Brushed
• material: Stainless Steel
• maximum weight capacity: 260 Pounds
• included components: 3mm 5mm Hex Wrench, For Wood Door Crosshead Self-tapping Scre
• item weight: 4.8 Pounds
• mounting type: Door Mount
• color: Satin Brushed
• size: 4.5x4.5
• product dimensions: 4.5l X 4.5w
• upc: 445030776786

offer dohinha:

• availability: In Stock
• sold: 0
• started: February 24, 2026
• options: Ship-to-home

shipping dohinha:

• type: Fixed
• cost: $0.00
• class: Standard
• service: Standard
• transit: 4-10 Days

seller dohinha:

• # reviews: 476
• city: Denver, Colorado
• rating: 95.0%

general dohinha:

• Building Hardware > doors Door Hardware > Door Hinges
• condition: New

returns dohinha:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller
• method: Money back

payments dohinha:

• other
• wallet: Apple-pay
• credit card: Diners-club

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