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NORTON RIXSON MODEL 340 | CENTER HUNG TOP PIVOTS
The Norton Rixson 340 top pivot is the standard top pivot for many pivot sets and floor closers.
PRODUCT FEATURES
- Center hung, standard duty
- Fully concealed
- Non-handed
- Standard top pivot for 370 and 117-3/4 pivot sets; also used for 28, 30, 40 and 50 Series floor closers
- Oil-impregnated sintered bronze bushing
- Walking beam-type pivot – 1/2" (13mm) diameter pivot pin with 3/4" (19mm) engagement
- Furnished with wood and machine screws
- Available with longer than standard pivot pins - increments are 1/4" (6mm), 1/2" (13mm), 3/4" (19mm) only
- Completely concealed when door is closed
SPECIFICATIONS
- Hang Type: Center hung
- Warranty: 2-year limited warranty
RESOURCES & DOWNLOADS
Norton Rixson 340 Center Hung Top Pivot Catalog
Norton Rixson 340 Center Hung Top Pivot Installation
Norton Rixson Warranty
Manufacturer Resources
Product Specs
- Category:
- Door Hinges and Pivots
- Series:
- 340 Series
- Duty Level:
- Standard Duty
- Hang Type:
- Center Hung
- Warranty:
- 2 Year Limited
- Product Group:
- Door Hinges and Pivots
- Product Subgroup:
- Pivots and Pivot Sets
- Product Type:
- Pivot Hinges
- Subcategory:
- Center Hung
- Commercial/Residential:
- Commercial
- Fire Rated:
- No
- Electronic:
- No
- Door Weight:
- Up to 500 lbs
- Pivot Type:
- Top & Bottom
- Mounting Method:
- Center Hung
- Application:
- Heavy-Duty
- Product Attribute:
- Pivots
- Door Hand Direction:
- Non-Handed
Norton Rixson 340 605 – Frequently Asked Questions
1) What is the Norton Rixson Model 340 center hung top pivot used for?
The Model 340 is a center hung top pivot designed for standard weight doors up to approximately 200 pounds. It mounts at the top of the door frame and allows smooth pivoting operation for entry doors in commercial and institutional applications.
2) What door sizes and weights are compatible with this pivot?
The Model 340 typically accommodates doors up to 3'6" wide and standard commercial heights. Maximum door weight capacity is around 200 pounds. Always verify your specific door dimensions and weight against manufacturer specifications before installation.
3) Is this pivot available in different handing configurations?
Center hung pivots are typically universal and can be configured for left or right hand applications during installation. The pivot point is located at the center of the door rather than at the edge, allowing flexible handing based on your needs.
4) What finishes are available for the Model 340?
Norton Rixson pivots are commonly available in standard architectural finishes including satin chrome, dark bronze, and aluminum. Verify available finishes for your specific model number as options may vary by application and door requirements.
5) What is the load rating and duty grade of this pivot?
The Model 340 is designed for standard duty commercial applications. It provides reliable operation for moderate traffic doors in office buildings, retail, and institutional settings. For high-traffic or heavy-duty applications, consider upgraded Norton Rixson models.
6) Does this pivot meet building code requirements?
Norton Rixson pivots are manufactured to industry standards for commercial door hardware. However, specific code compliance depends on your local building codes and application requirements. Consult your local authority having jurisdiction for approval.
7) What components and accessories are included with the Model 340?
The pivot typically includes the top pivot unit, bottom pivot shoe, and necessary mounting hardware. Installation templates and instructions are usually provided. Additional accessories like offset pivots or special shoes may be available separately depending on your door configuration.
8) What are the basic installation requirements?
Installation requires proper frame preparation including mortising for the top pivot and floor preparation for the bottom shoe. The door must be machined to accept the pivot hardware. Use manufacturer templates for precise positioning and verify all measurements before cutting.
9) How do you maintain and adjust this pivot?
Regular maintenance includes checking pivot points for smooth operation and ensuring all fasteners remain tight. Most Norton Rixson pivots have adjustment capabilities for door alignment. Clean pivot surfaces periodically and lubricate per manufacturer recommendations.
10) What are related Norton Rixson pivot models?
Norton Rixson offers various pivot models for different applications including offset pivots, heavy-duty models, and specialty configurations. Browse our complete selection of door hardware for compatible options and upgraded models.
11) What field conditions affect pivot performance?
Environmental factors like temperature changes, humidity, and building settlement can affect door alignment and pivot operation. Ensure proper clearances during installation and consider thermal expansion in exterior applications. Regular inspection helps identify issues early.
12) How do you measure for pivot placement?
Center hung pivots are typically positioned at the geometric center of the door width. Use manufacturer templates for exact measurements and verify all dimensions before installation. Consider door swing clearances and adjacent hardware when determining final placement.
How fast can I get the Norton Rixson 340 605 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Norton Rixson 340 605 come with a warranty?
Absolutely. The Norton Rixson 340 605 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Norton Rixson 340 605?
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installation tips, and troubleshooting. Contact Us
Why buy the Norton Rixson 340 605 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
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every order.
Our team is always ready to help you choose the right product for your project.