Rixson 147

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Rixson 147 3/4" Offset Pivot Set

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Rixson 147 3/4" Offset Pivot Set
Main ImageVideo Review Rixson 147 3/4" Offset Pivot Set
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Price: $559.66 USD
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Product Description:
Rixson Pivot Sets
 
147 3/4" Offset Pivot Set
Extra length pins and extended spindles available in extra order.
Application
◊ Exterior or interior doors
◊ Weight to 600 lbs (Door size & weight guidelines are determined using the appropriate number of intermediate pivots)
◊ Exterior Door width up to 3'0"(914mm)
◊ Interior Door width up to 3'6"(1067mm)
◊ Handed

Introduction

Pivot sets provide the best possible means of hanging a door. They are designed to work with the laws of physics to provide long-lasting performance and reliability.
The weight of the door is supported entirely by the bottom arm, which is directly connected to the pivot spindle. This hanging means provides several important advantages:
• Fasteners on the door and frame are in shear rather than tension (as with hinges) and are less likely to pull out overtime. This creates less stress on the frame assembly, prevents door sagging and allows the door to swing with less resistance from friction.
• A door supported in this manner relies on the strength of the floor to carry the weight, not the frame. This allows extremely heavy doors to be hung in an opening and allows door adjustment throughout the life of the building to compensate for settlement.

Aesthetics

• Offset or center hung pivot sets are more attractive than alternative door hanging devices.
• Full floor-to-ceiling concealment is offered for center hung doors providing almost unlimited design flexibility.
• Extended spindles available to raise door above finished floor for complete concealment.
• Specification of heavy panels for door face with standard offset pivot preparation is available.
• Doors up to 1,750 pounds are accommodated, allowing all standard and heavy doors in a building to be hung by same hanging means.

Performance

• Full weight of door is borne by floor pivot, providing long pivot life and trouble-free operation.
• Screws are in shear in pivot-set installations and are less likely to pull out from tension–eliminates sagging doors.
• Vertical adjustment provides for field modifications to suit conditions

Safety & Security

• Models are available for labeled fire and lead-lined doors.
• Doors cannot be removed by vandals.
• Virtually concealed, pivots are not abuse or vandal prone.
• All offset pivots shall be UL10C compliant.

Economy

• Pivots provide longer life and more trouble-free operation than other door hanging means.
• Door and frame life is lengthened.

Suggested Specification

All pivots and/or pivot sets shall be the product of one manufacturer. Sets as noted in hardware groups shall be matching in design for both labeled fire doors, lead-lined doors and regular doors. Pivots for 20-minute fire doors shall be non-ferrous and match the finish of adjacent hardware. All pivot sets are required to meet ANSI grade one standard as listed in ANSI 156.4. Caps shall be hex type to increase security.

Product Description & Features

• Standard top pivot 180 included
• M19 (order separately), see page 131
• Bottom pivot mounts directly to floor
• Uses same arm and cap as 27 floor closer
• Available for fire door assemblies up to three hours (ferrous material)–specify F147. Intermediate pivot required by UL. Specify FM19 (order separately)
• For 20-minute label suffix –20
• Non-ferrous base metal
• Doors over 60"(1524mm) require the use of one intermediate pivot. Every additional 30"(762mm) of door height warrants another intermediate pivot
• 3/4"(19mm) offset (measured from centerline of pivot to face of door)
• Door edges must be beveled 1/8" in 2"
• Furnished with wood and machine screws
• Extended spindles available in 1/2"(13mm) increments up to 2"(51mm)
• Doors will swing 180°, trim permitting

Technical Information


Questions and Answers
Q: Is there a different version of the Rixson 147 that we would need to use with a 2-1/4" door? Or does the same template work for both 1-3/4" and 2-1/4"? Thanks,
A: There is a different version based on door thickness but you do not actually have to have the custom made pivot made for a 2 1/4" door (although it is mandatory when you have a lead lined door).

It is indeed preferable to have it made for the proper door thickness so that the bottom arm better supports the door, but the "off the shelf" 147 for 1 3/4" door will suit you just fine.

Please contact our sales department here:

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if we can assist you with entering this order and please let us know if there is anything else we can help with.

Q: Richard, I was revising the shop drawings yesterday and I cam across what I think might be a problem. See detail 3 showing the jamb head. The door opens in under the jamb head. We specified the Rixson 147 offset pivots. The cut sheets on the pivots show a large knuckle that projects up and down 3/4" from the top edge of the door that I don't think will work with what I have drawn. Is there a different hinge we can use that will install flush in the jamb head, or do I need to make the jamb head into an "L" shape to allow clearance for the knuckle? Which approach do you think would work best? Thank you, Louis
A: You have a flush ceiling condition.

Options -

a. the Rixson 180 x 102 can be used in your flush ceiling condition as seen here:

Download File

b. how about skipping to top pivot and using a load bearing intermediate pivot (up at top of door) as seen here:

Download File

c. skip the pivots and go with Soss hinges as seen here:

Download File

Just thoughts and let us know how we can refocus our review of your application.

Is there a follow up question that we can perhaps attempt to answer? We take deep pride in our technical expertise, as we know it separates us from our competition, so don't hesitate to ask.

Please reply to this email or contact our sales department here:

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if we can assist you by answering further questions or with entering this order and please let us know if there is anything else we can help with.

Q: I have a 1 3/8" that needs the rixson 147 pivot set. since 147 doesn't work for that thickness, what is an alternative model?
A: Assuming your door is approximately 5.0 lb per sq ft. the Deltana PH60 Pivot Knife Hinge-Brass Base may work as an alternative model as seen here:

Click Here

Q: Do you have the Rixon 147 Pivot Hinge available for a 3" thick door? Satin Nickel Finish.
A: While many people will install a standard Rixson 147 on to a door that has an unusual door thickness the proper way to hang a 3” thick door is to have the pivot set made specifically for the 3” thick door and what is accomplished in this process is that you get the positioning of the arm for both the bottom of the door and the top pivot centered properly in the thickness of that 3 in thick door - when you use a standard pivot youre not carrying the load of the door onto the hardware properly because that bottom arm cannot be centered.

Having said this I have used 1-1/2” offset Rixson 147 pivots for this purpose, as the greater offset allows me to move the hardware back under and on top of the center of the door better (though this is still not correctly centered), but be mindful of how that affects the ultimate weight rating of what you would expect a properly manufactured pivot to be able to handle.

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