Sargent 8297 LNB Trim Mortise Double Dummy w/Active Trim
Built for openings that are expected to outlast several tenancies.
The Sargent 8200 Series is a heavy-duty mortise platform for commercial and institutional openings. Certified to and exceeds ANSI/BHMA A156.13, Series 1000, Operational Grade 1 and Security Grade 1 with all standard trims. This listing is the Double Dummy w/Active Trim function with LNB trim -- the B lever carried on the LN Rose.
Double Dummy w/Active Trim Function
How the lock behaves at the opening, stated as the catalog states it, with what each line means in practice:
- Both Levers Turn: Trim on both sides are active — the levers on this dummy rotate, where the other dummy trims are rigid; turning one retracts nothing, because this function has no latchbolt and no deadbolt.
- Ships With the Lock Case: Includes lock case and armor front — this dummy includes the mortise case and its armored front, so it sets into a mortised pocket and shows a lock front on the door edge; the trim-only dummies do not.
- Not for the Inactive Leaf of a Pair: Not recommended on double door applications (will not accept latchbolt from active door) — this version will not receive a latchbolt from the active leaf, so Sargent does not recommend it on a pair of doors; the dummy trims prepped to take that latch are the trim-only 8293 (one face) and 8294 (both faces), which ship without a lock case and whose levers are rigid.
LNB Trim Design
LNB pairs the LN Rose (2" (51mm), round; the smallest of the standard roses) with the B lever (5" (127mm) long, +/- 1-5/8" (41mm) return). The carrier is a rose -- a compact plate around the lever, a different part from an escutcheon.
- Carrier: LN Rose, 2" (51mm) (round; the smallest of the standard roses)
- Lever: B lever -- 5" (127mm) long, +/- 1-5/8" (41mm) return
- Handing: Non-handed; no handing designation is required when ordering.
- Accessibility: All levers meet ADA compliance for national codes. Solid forged or cast. All lever height (+/- 1/16") measurements represent total distance from door face.
Key Product Features
- ANSI/BHMA Grade: Certified to and exceeds ANSI/BHMA A156.13, Series 1000, Operational Grade 1 and Security Grade 1 with all standard trims.
- Lock case: 12 gauge heavy duty wrought steel, zinc dichromate plated. Thickness 7/64" (3mm) (.109").
- Warranty: 10 year limited mechanical, 5 year limited MELR, 2 year limited electrical. Warranty limited to replacement of lockbody.
Technical Specifications
| Series | Sargent 8200 Series Mortise Lock |
| Function | 8297 - Double Dummy w/Active Trim |
| ANSI/BHMA function | Sargent lists no ANSI/BHMA number for this function |
| Trim | LNB (LN Rose x B lever) |
| Carrier type | Rose |
| Carrier size | 2" (51mm) |
| Lever | B lever -- 5" (127mm) long, +/- 1-5/8" (41mm) return |
| Trim handing | Non-handed |
| Grade | Certified to and exceeds ANSI/BHMA A156.13, Series 1000, Operational Grade 1 and Security Grade 1 with all standard trims. |
| Lock case | 12 gauge heavy duty wrought steel, zinc dichromate plated. Thickness 7/64" (3mm) (.109"). |
| Backset | Backset 2-3/4" (70mm) only. |
| Minimum stile | 4-1/2" (114mm) minimum stile for 7800/8200. |
| Door thickness | For Doors 1-3/4" (44mm) thick standard. |
| Door thickness range | We list these for 1-3/4" (44mm) doors, the Sargent standard. Other door thicknesses are quoted on request -- see Ordering below. |
| Outside front plate | Outside Front Plate Brass, bronze or stainless steel. 8" (203mm) x 1-1/4" (31mm). |
| Front | Front adjustable at any angle from flat to beveled 1/8" (3mm); field adjustable, beveled, armored front, with a .125 inch (3mm) thickness minimum. |
| Inside front | 1/8" (.125") cold-rolled steel inside front holds lock securely in door. |
| Door prep | ANSI/SDI A250.14 modified per template 7057. |
| Accessibility | Complies with American Disability Act; Consult local authorities. |
| Building standard | Meets BOMA International 4.13.8. |
| Warranty | 10 year limited mechanical, 5 year limited MELR, 2 year limited electrical. Warranty limited to replacement of lockbody. |
| Brand | Sargent |
| Lead time | Factory order: 3-4 weeks |
Ordering & Installation
Door preparation: ANSI/SDI A250.14 modified per template 7057. Backset 2-3/4" (70mm) only. Confirm the stile before specifying: 4-1/2" (114mm) minimum stile for 7800/8200.
We list seven finishes online for this trim: 626 Satin Chrome, 630 Satin Stainless, 613 Oil Rubbed Bronze, 613E Oil Rubbed Bronze Equal, 605 Polished Brass, 612 Satin Bronze, 625 Polished Chrome. This function is non-keyed -- it takes no cylinder and no keyway. Sargent catalogues more finishes; if you need one that is not listed here, or a door thickness other than 1-3/4" (44mm), email sales@doorwaysplus.com and we will quote it.
This trim is non-handed; no handing designation is required.
| Finish with BHMA code | 626 - US26D Satin Chrome or 630 - US32D Satin Stainless or 613 - US10B Oil Rubbed Bronze or 613E - US10BE Oil Rubbed Bronze Equal or 605 - US3 Polish Brass or 612 - US10 Satin Bronze or 625 - US26 Polish Chrome |
| Brand | Sargent |
| Trim Design | LNB |
| Series | Sargent - 8200 Series |
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