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Butt Hinge, also known as ANSI/BHMA A156.1

Author: Site Editor     Publish Time: 2023-08-26      Origin: Site

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ANSI 156.1, the American National Standard Institute (ANSI) 

Item

ANSI 156.1

Cycle-test

Grade 1: 2,500,000


Grade 2: 1,500,000


Grade 3: 350,000

Fire Test

Pass UL 10 C 3 hours fire test

Anti-corrosion

Salt Spray Test 200 hours


This Standard specifies the requirements for butts and hinges. Included are cycle tests, lateral and vertical wear tests, friction tests, strength tests, finish tests, and material and dimensional requirements. 

ANSI/BHMAA 156.1 Requirements

Cycle-test

Grade 1

Haevy Duty 4 Ball Bearings


Grade 2

Standard Duty 2 Ball Bearings


Grade 3

Plain Bearing

Fire Test

Pass UL 10C 3 hours fire test


The tests outlined in this Standard are carried out in a controlled laboratory environment. Results may vary due to differences in installation, maintenance, and environmental conditions. 


Hinge Size Detection 

Height Of Hinge(+0/-0.015in.(+0/-0.4mm))

Thickness Of Hinge

(.005in(0.83mm))

Thickness Of Hinge

(.005in(0.83mm))

"A" Heavy Duty



4 1/2" (114mm)

0.180"(4.6mm)

8

5" (127mm)

0.190"(4.8mm)

8

6" (152mm)

0.203"(5.2mm)

10

8" (203mm)

0.203"(5.2mm)

14min.

"B"   Standrad Duty



3 1/2" (89mm)

0.123"(3.1mm)

6

4" (102mm)

0.130"(3.3mm)

8

4 1/2" (114mm)

0.134"(3.4mm)

8

5" (127mm)

0.146"(3.7mm)

8

6" (152mm)

0.160"(4.1mm)

10


 Door Weight Detection 

Height Of Hinge

Grade 1 And Grade 2

Weight Of The Door

Grade 3 And Grade 4

Weight Of The Door

3" (76mm)


40lbs(18kg)

3 1/2"(89mm)

100lbs(45kg)

45lbs(20kg)

4" (102mm)

125lbs(57kg)

60lbs(27kg)

4 1/2" (114mm)

150lbs(68kg)

75lbs(34kg)

5" (127mm)

175lbs(79kg)

100lbs(45kg)

6" (152mm)

230lbs(104kg)

125lbs(57kg)

8" (203mm)

300lbs(135kg)



1.The scope

1.1 This Standard specifies the criteria for lightweight, standard weight, heavy weight, and detention hinges. Included are cycle tests, lateral and vertical wear tests, friction tests, strength tests, finish tests, and material and dimensional requirements. 


1.2Tests described in this Standard are performed in a laboratory setting. Results can vary due to differences in installation, maintenance, and environmental conditions. 


1.3 Refer to NFPA 80-2010 for Fire Doors and Windows for information regarding hinge requirements for fire doors. 


Hinges are manufactured in accordance with ANSI/BHMA A156.1 

All hinges have five knuckles, four ball bearings, non-rising pins, and button tips and plugs. 

●All hinges are equipped with a template screw hole location that can be used on both wood and hollow metal doors and frames. 

●The pins used in hinges that are not made of ferrous metals are made of stainless steel. 

●A hole is located in the bottom tip for effortless removal of the pin. 

 The dimensions and tolerances conform to ANSI-A 156.7. 

●Template hinge, full mortise, square corner, heavy duty weight. 

●Equipped with SS screws. 

BHMA Door HingeANSI Grade 2 Door Hinge

D&D Hardware, a supplier of professional door hardware, offers distributors and manufacturers top-notch hardware products known for their high quality and durability. Our range of products, such as door locks, door hinges, panic door bars, door cylinders, door handles, door closers, etc., have successfully passed the ANSI/UL and CE EN tests. 


D&D HARDWARE consistently enhances processing technology, upgrades processing equipment, and offers customers a greater range of products with high performance and cost ratios. 


If you desire additional information regarding our products, kindly click here. 


Contact Us immediately


David Jian.

Mobile number: 0086-139 2903 7292 

Email sales@danddhardware.com.


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