Norton Rixson HM27 Series Heav...
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$3,588.19
Norton Rixson Norton Rixson HM27 Series - 3/4" Offset Heavy Duty Floor Closer for Hollow Metal Door and Frame, 250 lbs. Door Weight RIX-HM27

Norton Rixson HM27 Series Heavy Duty Floor Closer with 3/4" Offset for Hollow Metal Doors up to 250 lbs

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Model: HM2790N-RH-626
$3,588.19
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$3,588.19
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Norton Rixson HM27 Series Heavy Duty Floor Closer with 3/4" Offset for Hollow Metal Doors up to 250 lbs

Professional Grade Floor Closer for Commercial Hollow Metal Door Applications

The Norton Rixson HM27 Series is a heavy-duty 3/4" offset-hung floor closer engineered for 1-3/4" hollow metal door and frame installations. Designed to support doors weighing up to 250 lbs with maximum door width up to 4'0" (1219mm), this Grade 1 certified closer features a robust Cycolac rust-proof cement case construction. The unit includes three special steel 4-1/2" ball bearing standard weight hinges with 3/4" offset and provides built-in positive dead stop functionality with options for 85°, 90°, or 95° opening degrees.

Professional Features & Benefits

  • Heavy-Duty Door Support: Supports doors weighing up to 250 lbs with maximum door width up to 4'0" (1219mm) for demanding commercial applications.
  • Precision Offset Design: 3/4" offset-hung configuration designed specifically for 1-3/4" hollow metal doors and frames with standard weight hinge preparation.
  • Multi-Valve Control System: Separate independent valves for closing speed, latch speed, and backcheck provide precision adjustment and enhanced operational control.
  • Built-In Dead Stop Protection: Positive dead stop prevents doors from swinging beyond the desired opening degree with options for 85°, 90°, or 95° maximum swing.
  • Robust Construction: Cycolac rust-proof cement case with heavy-duty internal components engineered for long life and consistent operation in interior or exterior applications.
  • Complete Hardware Package: Includes three special steel 4-1/2" ball bearing standard weight hinges with 3/4" offset plus surface mounted bottom arm with thru-bolts.
  • Grade 1 Certification: ANSI/BHMA A156.4 Grade 1 certified for commercial applications with UL Listed options available (F prefix models).
  • Manufacturer Warranty: 10 Year Limited warranty for added confidence and protection in commercial installations.

Technical Specifications

  • ANSI/BHMA: ANSI/BHMA A156.4, Grade 1
  • Commercial/Residential: Commercial
  • Cover Type: Cycolac, rust-proof cement case
  • Delay Function: Yes
  • Department: Door Hardware
  • Door Swing: Single Acting
  • Door Weight: 250 lbs.
  • Duty Level: Heavy Duty
  • Grade: Grade 1
  • Hang Type: Offset Hung
  • Hold Open Feature: No
  • Mounting Method: Offset
  • Product Category: Door Controls
  • Product Group: Door Controls
  • Product Model: HM27N
  • Product Subgroup: Door Closers - Floor
  • Product Type: Floor Door Closers
  • Series: HM27 Series
  • Subcategory: Floor Closers
  • Warranty: 10 Year Limited

Installation & Operation

  1. Review manufacturer specifications and verify door preparation requirements including 1-3/4" hollow metal door thickness and standard weight 4-1/2" hinge preparation compatibility.
  2. Use manufacturer-provided templates to mark mounting hole locations accurately on floor and door surfaces for the 3/4" offset configuration.
  3. Prepare floor installation location by drilling required holes for floor plate or threshold mounting as specified in manufacturer instructions.
  4. Install the three included special steel 4-1/2" ball bearing hinges with 3/4" offset per manufacturer torque specifications.
  5. Mount the floor closer unit and connect the surface mounted bottom arm with thru-bolts ensuring proper alignment with door swing path.
  6. Adjust the separate independent valves for closing speed, latch speed, and backcheck to achieve desired door operation and set dead stop to specified degree (85°, 90°, or 95°).
  7. Test door operation throughout full range of motion to verify proper function and make final adjustments as needed. Refer to manufacturer documentation for complete installation details and troubleshooting.

Professional Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Industrial and Warehouse Facilities
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings

Why Choose Norton Rixson Quality?

Norton Rixson HM27 Series floor closers deliver professional-grade reliability with heavy-duty construction featuring robust Cycolac rust-proof cement case and precision-engineered internal components. ANSI/BHMA A156.4 Grade 1 certification ensures commercial-grade performance, while the 10 Year Limited warranty provides long-term protection. Engineered for demanding commercial applications where dependable door control and structural support are essential.

Product Specs

Series:
HM27 Series
Duty Level:
Heavy Duty
Grade:
Grade 1
Door Swing:
Single Acting
Warranty:
10 Year Limited
ANSI/BHMA:
ANSI/BHMA A156.4, Grade 1
Product Group:
Door Controls
Product Subgroup:
Door Closers - Floor
Product Type:
Floor Door Closers
Subcategory:
Floor Closers
Door Weight:
250 lbs.
Commercial/Residential:
Commercial
Hang Type:
Offset Hung
Product Model:
HM27N
Delay Function:
Yes
Hold Open Feature:
No
Mounting Method:
Offset
Product Category:
Door Controls
Department:
Door Hardware
Cover Type:
Cycolac, rust-proof cement case

Norton Rixson HM2790N-RH-626 – Frequently Asked Questions

1) Will the Norton Rixson HM27 floor closer work on my 1-3/4 inch hollow metal door?
That's exactly the application it's built for. The HM27N is a 3/4 inch offset-hung floor closer engineered for 1-3/4 inch hollow metal doors and frames with standard weight hinge prep. It carries doors up to 250 lbs and up to 4'0" (1219mm) wide. If your door is aluminum stile-and-rail or a center-hung wood door, this isn't the right closer.
2) Does the HM27 come with hinges, or do I order those separately?
Hinges are included. Each HM27 ships with three special steel 4-1/2 inch ball bearing standard weight hinges with the matching 3/4 inch offset, plus a surface mounted bottom arm with thru-bolts. You still prep the floor for the cement case and drill per the template, but the top and intermediate pivot hardware is in the box.
3) Do I have to specify handing on a Rixson HM27 floor closer?
Yes, handing is a build option, not a field adjustment. The HM27 is a single acting closer ordered left hand or right hand, so you determine the hand at the opening before ordering. Getting it wrong means the wrong part on the job.
4) Can I get the HM27 with a hold open, and what stop angles are available?
Two arm functions are offered: non-hold open, and selective hold open if you want the door to stand open at the stop point. Either way the closer has a built-in positive dead stop, and you pick the maximum swing when you order: 85, 90, or 95 degrees. The dead stop replaces a separate overhead stop or wall bumper on that opening.
5) Does the HM27 meet Grade 1 for a school or hospital entrance?
The HM27 Series is certified to ANSI/BHMA A156.4 Grade 1 and is a commercial, heavy duty rated closer, which is the grade typically specified for high-traffic institutional entrances. UL Listed versions are available as F prefix models if the opening is a fire rated assembly, though a fire door cannot use the hold open arm.
6) What is the closest equivalent to the Norton Rixson HM27 floor closer from another manufacturer?
The Dormakaba Dorma BTS75V is the nearest peer: it is a floor closer supplied as a body only with a cement case, less spindle, and is Grade 1. The Norton Rixson HM27N is also Grade 1 under ANSI/BHMA A156.4, but it is sold as a complete offset-hung package - the closer plus three 4-1/2 inch ball bearing hinges with 3/4 inch offset and a surface mounted bottom arm with thru-bolts - prepped for 1-3/4 inch hollow metal doors up to 250 lbs. If your opening already has hinges and top pivot hardware and you only need the closer body, the BTS75V covers that; if you are hanging the door complete, the HM27N carries the hardware with it.
7) I need a hold-open floor closer - does the Dorma BTS75V do that, or do I need the Norton Rixson HM27?
The Dorma BTS75V is specified as NHO, non hold open, so it will not hold the door at a set degree. The Norton Rixson HM27N is offered with either a non-hold-open arm or a selective hold open arm, so for an opening that has to stand open - a receiving door or a corridor during moves - specify the HM27N with the selective hold open arm function.
8) Is the Dorma BTS80 a substitute for the Norton Rixson HM27 on a fire rated hollow metal opening?
No. The Dormakaba Dorma BTS80 is a heavy duty concealed floor closer body only and carries a fire rating of No. The Norton Rixson HM27N is offered with UL Listed F prefix models, so for a labeled hollow metal opening the HM27N with the F prefix is the one to specify. Both are heavy duty units, so the difference here is the listing on the label, not the strength of the closer.
9) Is there an ADA option for reduced opening force on this floor closer?
There is. The HM27 can be ordered with a lighter spring intended for reduced opening force applications. Note that it's a spring selection made at order time, so decide before you buy rather than planning to lighten it later.
10) When should I order the sealed version of the HM27 closer?
Order sealed where water can reach the case: exterior entrances, wash-down areas, or any floor that gets flooded or hosed. The case itself is Cycolac rust-proof cement case construction suited to interior or exterior use, and the sealed option is the added protection for wet locations.
11) Can I adjust closing and latch speed separately on this floor closer?
Yes. The HM27 has independent valves for closing speed, latch speed, and backcheck, so you can slow the sweep without killing latching force, and the backcheck protects the door and frame from being thrown open into the stop. Delayed action is also part of the closer's function set.
12) Will the HM27 work on a double-acting door that swings both ways?
No. The HM27 is single acting, so it swings one direction only. For a door that has to swing both ways, you need a double acting floor closer instead, and the offset-hung hinge package supplied with the HM27 won't suit that opening either.
13) We are standardizing floor closers across a building and need matching finishes - how does the HM27 compare to the Dorma bodies?
The Norton Rixson HM27N is offered in 13 finishes, including 605 bright brass, 606 satin brass, 613 oil rubbed bronze, 626 satin chrome, 622 black painted, and BSP black suede powder, so the exposed arm and cover can be matched to the rest of the door hardware. The Dormakaba BTS80 and BTS75V are supplied as closer bodies, which is a different way to buy the assembly - the visible hardware is specified separately rather than as part of the closer order.
14) I need an ADA compliant opening force and a fixed stop degree - which floor closer covers that?
The Norton Rixson HM27N can be ordered with a lighter ADA spring and with a built-in positive dead stop set at 85, 90, or 95 degrees, plus separate valves for closing speed, latch speed, and backcheck and a delay function. That combination of a reduced-force spring and a specified stop degree is ordered on the HM27N itself rather than added in the field, so specify the degree and the lighter spring on the order.
15) What finishes can I get on the Rixson HM27 to match the rest of my door hardware?
Thirteen finishes are offered: 605 bright brass, 606 satin brass, 611 bright bronze, 612 satin bronze, 613 oil rubbed bronze, 613E dark oxidized satin bronze, 618 bright nickel, 619 satin nickel, 622 black painted, 625 bright chrome, 626 satin chrome, plus BSP black suede powder and WSP white suede powder. The finish applies to the exposed cover and arm, so match it to the hinges and exit hardware already on the opening.
How fast can I get the Norton Rixson HM2790N-RH-626 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 HM2790N-RH-626 come with a warranty?
Absolutely. The Norton Rixson HM2790N-RH-626 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 HM2790N-RH-626?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Norton Rixson HM2790N-RH-626 from ZenSupply?
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