Overview of Heavy Duty NRP Hinge UL Listed Fire Rated Stainless Steel 4.5 Inch Ball Bearing Door Hinges

Heavy Duty NRP Hinge UL Listed Fire Rated Stainless Steel 4.5 Inch Ball Bearing Door Hinges is essential parts of piping systems, providing structural support, secure connections, and efficient system assembly. From clamps and hangers to fasteners and brackets, our high-quality hardware ensures stability, safety, and long-lasting performance in residential, commercial, and industrial piping applications.

Features of Heavy Duty NRP Hinge UL Listed Fire Rated Stainless Steel 4.5 Inch Ball Bearing Door Hinges

Durable materials resistant to corrosion and wear

Designed for secure and stable pipe installation

Easy to assemble and compatible with various pipe types

Available in multiple sizes and configurations

Meets industry standards for safety and reliability

(Heavy Duty NRP Hinge UL Listed Fire Rated Stainless Steel 4.5 Inch Ball Bearing Door Hinges)

Specifications of Heavy Duty NRP Hinge UL Listed Fire Rated Stainless Steel 4.5 Inch Ball Bearing Door Hinges

These Sturdy NRP Joints are built for major doors. They are made from strong stainless steel. This product fights rust and corrosion. It stands up well in hard areas. These joints carry the UL Listing. This means they meet rigorous security standards. Independent specialists checked them. You recognize they are dependable.

An essential function is the fire rating. These joints are fire ranked. They assist decrease fire spreading with door openings. They are evaluated to remain working under high warm for a set time. This gives individuals even more time to get out safely. It assists secure home. Fire doors require certified hardware similar to this.

The 4.5-inch dimension provides great stamina. It spreads the lots over a bigger location. This prevents drooping on heavy doors. The ball bearing style is crucial. Tiny steel balls sit inside the hinge knuckle. They allow the door swing extremely efficiently. This lowers rubbing and wear. Round bearings support hefty weights quickly. Doors open and close quietly for many years.

You obtain top efficiency from this mix. The stainless-steel lasts a long time. The round bearings ensure smooth, quiet procedure. The UL Listing confirms safety. The fire rating offers necessary protection. These joints are excellent for demanding areas. Assume active office buildings, healthcare facilities, schools, and stores. They handle heavy fire doors and protection doors flawlessly. They are a professional choice for vital installations.

(Heavy Duty NRP Hinge UL Listed Fire Rated Stainless Steel 4.5 Inch Ball Bearing Door Hinges)

Applications of Heavy Duty NRP Hinge UL Listed Fire Rated Stainless Steel 4.5 Inch Ball Bearing Door Hinges

Sturdy NRP Joint UL Listed Fire Rated Stainless-steel 4.5 Inch Sphere Bearing Door Hinges manage laborious. These joints are produced doors that obtain utilized a whole lot. They are really solid. You see them on heavy doors in hectic locations. Assume schools, hospitals, and large office buildings. Individuals open and close these doors continuously. Common hinges wear out quick below. These heavy-duty joints last much longer.

The fire ranking is very important. These hinges lug a UL listing for fire safety and security. This implies they are tested. They help maintain fire from spreading with door openings. Building codes typically need this safety feature. Fire doors need joints that will not fall short rapidly in heat. These joints meet that important need.

Stainless-steel building is vital. It withstands rust and rust. This matters a lot. It matters near the sea with salted air. It matters in factories with chemicals. It matters in position cleaned often with severe cleansers. Stainless-steel stays looking great. It maintains functioning smoothly. Regular steel hinges rust and deteriorate over time.

The 4.5-inch dimension supplies added toughness. It provides far better support for big, hefty doors. The door hangs straighter. It swings smoother. The plus size spreads out the weight much better. This minimizes anxiety on the door framework.

The round bearing system is important. Tiny round bearings rest inside the hinge knuckle. They let the hinge pivot with extremely little rubbing. The door swings conveniently. The door remains silent. There is no annoying squeak. The bearings take the wear. This avoids the joint itself from eroding. The bearings make the joint action last. Hefty doors feel lighter to open up.

Packing and Shipment

Depends on the products and qty,we could make the packing of coiling,rolls,bundle packing,crates or boxes,etc.

Shipment:By sea,railway,by air or as customer’s request.

Company Profile

Luoyang Datang Energy Tech Co., Ltd. is a leading Chinese manufacturer specializing in high-quality plastic pipes and fittings. Equipped with state-of-the-art automated production lines and supported by a team of 200 professionals, we offer an extensive product line comprising over 150 types of plastic pipes and fittings designed for water supply and drainage systems, gas transmission, and floor heating systems. Our main products include PVC Pipes and Fittings, PE (HDPE) Pipes and Fittings, PPR Pipes and Fittings, and PEX Floor Heating Pipes. 

Should you have any inquiries regarding HDPE Pipe Fitting, please do not hesitate to contact us!

Tel.:0086-183 3790 0677

Wechat: 0086-183 3790 0677

Whatsapp: 0086-183 3790 0677

Email: sales@pipesandfittings.net

Payment Terms

T/T,L/C at sight,Western Union & Paypal,etc.

5 FAQs of Heavy Duty NRP Hinge UL Listed Fire Rated Stainless Steel 4.5 Inch Ball Bearing Door Hinges

What’s the UL Listing for?
The UL Listing means these hinges passed strict safety tests. They’re fire-rated to stop flames and smoke spreading through door openings. This rating is crucial for building codes in commercial or public spaces. You need this certification for fire doors.

Will stainless steel hold up outside?
Yes, these hinges are 304 stainless steel. That means strong rust resistance in tough conditions. They work well in coastal spots, industrial areas, or places using lots of cleaners. They won’t corrode like regular steel hinges.

Why use ball bearings?
Heavy doors strain hinges. The ball bearings inside make movement smooth. This reduces friction and wear. Your heavy doors open and close easily for years. The bearings handle the weight without sagging or binding.

Is 4.5 inches the right size?
The 4.5-inch size is standard for many heavy-duty commercial doors. Measure your door thickness and weight first. This hinge fits most steel doors, solid core wood doors, and large entry points needing extra support. Check your door specs match.

Can I use them on any fire door?
No, fire doors have specific ratings. These hinges carry a 3-hour fire rating. You must pair them with a door and frame carrying the same or higher rating. Using mismatched components voids the fire protection. Always follow the door manufacturer’s instructions.

(Heavy Duty NRP Hinge UL Listed Fire Rated Stainless Steel 4.5 Inch Ball Bearing Door Hinges)