Cal-Royal 10ULDV201 UL Listed ...
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Cal-Royal Cal-Royal 10ULDV201 UL Listed Door Viewer, 200° CAL-10ULDV201

Cal-Royal 10ULDV201 UL Listed Door Viewer, 200° with Glass Lens

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Model: 10ULDV201-US1
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Cal-Royal 10ULDV201 UL Listed Door Viewer, 200° with Glass Lens

The Cal-Royal 10ULDV201 is a UL Listed door viewer engineered with a 200° field of view and a durable glass lens for clear visibility. Featuring a 9/16" bore and designed for doors ranging from 1" to 1-3/8" thick, this viewer is UL Listed for 90-minute fire doors, making it a reliable choice for commercial applications where code compliance is essential. Conforming to ANSI/BHMA A156.16 L23172, this door viewer delivers professional-grade construction suitable for demanding commercial door hardware installations.

Key Features

  • Bore Size: 9/16" bore for precise, standard door preparation.
  • Door Thickness Compatibility: Designed for doors 1" to 1-3/8" thick, ensuring proper fit across common commercial door specifications.
  • Fire Door Rating: UL Listed for 90-Minute doors, supporting fire-rated door assembly requirements.
  • Wide Viewing Angle: 200° field of view provides expanded visibility for enhanced security awareness at the door.
  • Glass Lens Construction: Equipped with a glass lens for clear, durable optical performance.
  • Industry Standard Compliance: Conforms to ANSI/BHMA A156.16 L23172 for verified quality and performance benchmarks.
  • Finish Options: Architectural finishes available to coordinate with surrounding door hardware.
  • Convenient Packaging: Individually poly-bagged and boxed for protection during shipping and inventory handling.

Certifications & Compliance

  • UL Listed for 90-Minute Fire Doors
  • Conforms to ANSI/BHMA A156.16 L23172

Technical Specifications

  • Product Group: Door Trim and Accessories
  • Subcategory: Door Viewers
  • Product Subgroup: Door Knockers and Viewers
  • Product Type: Door Viewers
  • Commercial/Residential: Commercial
  • Product Model: 10ULDV201
  • Product Category: Door Trim and Accessories
  • Department: Door Hardware

Typical Applications

  • Commercial Office Buildings
  • Educational Facilities
  • Healthcare Institutions
  • Retail Establishments
  • Multi-Tenant Residential Properties
  • Government and Municipal Buildings
  • Fire-Rated Door Assemblies

Why Cal-Royal 10ULDV201?

Cal-Royal door viewer products deliver professional-grade reliability with glass lens construction and UL Listing for 90-minute fire doors, meeting rigorous commercial standards. Built to conform to ANSI/BHMA A156.16 L23172, the 10ULDV201 offers dependable performance and clear visibility for security-conscious commercial door installations.

Product Specs

Product Group:
Door Trim and Accessories
Subcategory:
Door Viewers
Product Subgroup:
Door Knockers and Viewers
Product Type:
Door Viewers
Commercial/Residential:
Commercial
Product Model:
10ULDV201
Product Category:
Door Trim and Accessories
Department:
Door Hardware

Cal-Royal 10ULDV201-US1 – Frequently Asked Questions

1) What size hole do I drill for the Cal-Royal 10ULDV201 peephole?
Bore the door 9/16 inch. The other constraint is leaf thickness, 1 inch to 1-3/8 inch. Worth a look before a swap: if the viewer coming out was drilled larger, a 9/16 inch barrel will not fill the hole. An Emtek 2610, for example, takes a 5/8 inch diameter hole, which is wider than 9/16 inch, so the Cal-Royal will not cover that prep.
2) What other door viewer has the same 200 degree field of view as the Cal-Royal 10ULDV201?
Two Trimco viewers carry the same 200 degree angle: the Trimco 976, and the Trimco 977, which is supplied with a heavy duty cover. The difference to check before you order is the opening. The Cal-Royal 10ULDV201 takes a 9/16 inch bore and is built for doors 1 inch to 1-3/8 inch thick; both Trimco 200 degree viewers are listed for doors 1-17/64 inch to 2-1/8 inch thick. On a 1-3/8 inch door either will land inside its range. On anything thinner than 1-17/64 inch, the Cal-Royal 10ULDV201 is the one that fits, and above 1-3/8 inch the Trimco range is the one that carries.
3) Will the Emtek 2610 drop into the same hole as the Cal-Royal 10ULDV201?
No, the prep is not the same. The Cal-Royal 10ULDV201 uses a 9/16 inch bore, while the Emtek 2610 is a solid brass viewer for a 5/8 inch diameter hole. A door already drilled 9/16 inch has to be opened up to take the Emtek, and a door already carrying a 5/8 inch hole is oversized for the Cal-Royal body. If you are matching an existing 9/16 inch prep, stay with the 10ULDV201; if the openings were drilled 5/8 inch, the Emtek 2610 is the one that lands.
4) We standardize on fire rated door viewers across the facility. Besides the Cal-Royal 10ULDV201, which ones are fire rated?
The Cal-Royal 10ULDV201 is UL Listed for 90 minute fire doors and conforms to ANSI/BHMA A156.16 L23172. On the fire rated side of the comparable set, Ives carries four: the U698 one way wide angle viewer at 190 degrees, UL fire rated; the U696 one way viewer at 150 degrees, fire rated; the U700 one way brass viewer with UL fire rating; and the 701 one way brass viewer for thicker doors at 120 degrees, fire rated. Rockwood's 621 is UL Listed at 160 degrees for 2 inch to 2-1/2 inch doors, and the Hager 1756 is a 185 degree one way viewer with a fire rating at 2-1/8 inch. That gives you a fire rated body at several door thicknesses if the leaves in the building are not all the same.
5) Is a 200 degree door viewer better than a 160 degree one?
Field of view is the whole difference. The Cal-Royal 10ULDV201 sees 200 degrees, enough to pick up someone standing off to the side of the frame rather than only straight ahead. Most alternatives sit lower: the Rockwood 619, 620, 621 and 624 are 160 degrees, the Ives U696 is 150 and the Ives U698 is 190. If 200 degrees is the requirement but the door is thicker than 1-3/8 inch, the Trimco 976 carries the same 200 degree lens for 1-17/64 inch to 2-1/8 inch doors.
6) I manage a building with different door thicknesses. Can I standardize on the Cal-Royal 10ULDV201?
Only across leaves in the 1 inch to 1-3/8 inch band. The 10ULDV201 is specified for that one thickness range, so thicker entry and corridor doors need a different part number. Below the band, the Rockwood 619 runs 11/16 inch to 1-1/16 inch. If you want a single number that spans most of a mixed portfolio, the Trimco 975 and 976 both list 1-17/64 inch to 2-1/8 inch, and the Hager 1759 covers 1-3/8 inch to 2-1/8 inch.
7) Does the Cal-Royal 10ULDV201 meet the ANSI/BHMA spec our architect called out for door viewers?
Conformance is to ANSI/BHMA A156.16 L23172, the auxiliary hardware standard that door viewers fall under, and the viewer is UL Listed for 90-minute fire doors. Both lines go straight onto a submittal. Schedule it as Cal-Royal model 10ULDV201 and note the door thickness range of 1 inch to 1-3/8 inch, since that is what usually kills a viewer substitution at review.
8) I need a door viewer with a cover or flap over the lens. What are my options next to the Cal-Royal 10ULDV201?
The Cal-Royal 10ULDV201 is a fixed 200 degree viewer with a glass lens. Where the opening calls for something over the lens, three peers carry it: the Rockwood 624 is a 160 degree viewer with a cover for 1-3/8 inch to 2 inch doors, the Trimco 977 is a 200 degree viewer with a heavy duty cover for 1-17/64 inch to 2-1/8 inch doors, and the Hager 1759 is a 185 degree one way viewer with a privacy flap for 1-3/8 inch to 2-1/8 inch doors. All three sit above the Cal-Royal thickness band of 1 inch to 1-3/8 inch, so confirm the leaf thickness before you switch.
9) The spec calls for a one way door viewer on a multi-tenant entry. Which models are described as one way?
Six peers are built as one way viewers. From Ives: the U698, a one way wide angle viewer at 190 degrees, UL fire rated; the U696, one way at 150 degrees, fire rated; the U700, a one way brass viewer with UL fire rating; and the 701, a one way brass viewer for thicker doors at 120 degrees, fire rated. From Hager: the 1756, 185 degrees with a fire rating for 2-1/8 inch doors, and the 1759, 185 degrees with a privacy flap for 1-3/8 inch to 2-1/8 inch doors. If the entry doors are 1 inch to 1-3/8 inch thick, that thickness band is where the Cal-Royal 10ULDV201 lands, so check the leaf before writing either family into the spec.
10) What do I have to specify when ordering the Cal-Royal 10ULDV201, and how does it ship?
Finish is the only decision: black, antique bronze oiled, satin nickel, satin chrome or polished brass. There is no handing on a door viewer, and the 9/16 inch bore and 1 inch to 1-3/8 inch thickness range are fixed on the model, so there is no size or trim to pick. Each viewer is poly bagged individually and boxed, which is what you want when they are going out to units one at a time.
11) How does the 200 degree view on the Cal-Royal 10ULDV201 compare to the other viewing angles available?
Viewing angle is the main point of separation across door viewers, and the Cal-Royal 10ULDV201 sits at the wide end at 200 degrees, matched by the Trimco 976 and the Trimco 977. Below that, the Ives U698 is a wide angle one way viewer at 190 degrees, the Hager 1756 and 1759 are both 185 degrees, and the Rockwood 619, 620, 621 and 624 along with the Trimco 975 are all 160 degrees. Narrower still are the Ives U696 at 150 degrees and the Ives 701 at 120 degrees. A wider angle shows more of the corridor immediately outside the frame; a narrower angle concentrates the image on what is directly in front of the door.
12) Which door viewers have a brass body if that is what the finish schedule calls for?
Three peers are called out as brass: the Ives 701, a one way brass viewer for thicker doors at 120 degrees, the Ives U700, a one way brass viewer with UL fire rating, and the Emtek 2610, a solid brass viewer for a 5/8 inch diameter hole. The Cal-Royal 10ULDV201 is specified on its optics rather than its body material, with a glass lens and a 200 degree view, and it comes in Polished Brass, Satin Chrome, Satin Nickel, Antique Bronze Oiled and Black, so it can be matched to a brass or bronze schedule by finish.
How fast can I get the Cal-Royal 10ULDV201-US1 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 Cal-Royal 10ULDV201-US1 come with a warranty?
Absolutely. The Cal-Royal 10ULDV201-US1 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 Cal-Royal 10ULDV201-US1?
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 Cal-Royal 10ULDV201-US1 from ZenSupply?
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Product Reviews

  • 5
    Door Viewer

    Posted by Nick Brown on Mar 7th 2025

    Great product!

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