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Delaney E Series - SD Style Keyed Classroom Door Leverset
Product Technologies:
Classroom Function: Deadlocking latch bolt operated by key in outside lever or reotating inside lever. Outside lever locked or unlocked by key. Inside lever is always unlocked.
Features:
- Independent Torsion Spring
- Removable Through Bolts
- Concealed Mounting Screws
- Anti-Friction Latch Retractor
- Clutch Function Panic Proof - Push/Turn
- Panic Proof - Push/Turn
Specifications:
Backset: 2-3/4” UL Latch standard, 2-3/8” optional
Door Thickness: 1-3/8” ~ 2”. Adjustable mounting plate
Cylinder: SC4 6-pin standard, KW1 5-pin optional, SC1 5-pin optional
Interchangable Core: Optional small-format 6-pin available
Strikes: 4-7/8” ANSI Strike standard (9109)
Door Prep:
- Cross bore: 2-1/8”
- Edge bore: 1”
- Latch face: 2-3/4”: 1-1/8” x 2-1/4”, 2-3/8”: 1” x 2-1/4”
- Dummies are surface mounted
Latches:
- Entrance: 2-3/4” (E9070T) standard. 2-3/8” (E9060T) optional
- Pass/Priv: 2-3/4” (E9073T) standard. 2-3/8” (E9063T) optional
- Faceplate: 2-3/4”: 1-1/8” x 2-1/4”. 2-3/8”: 1” x 2-1/4” Sq. Corner
- Bolt: 1/2” Stainless Steel throw. Meets 3-Hr. Fire Rating
ANSI & Federal Standards:
- Meets & exceeds requirements of BHMA/ANSI A156.2 Series 4000, GR2, 400,000 Cycles.
- Meets FF-H-106C Federal Standard.
Manufacturer Resources
Product Specs
- Subcategory:
- Bored Locksets
- Series:
- E Series
- Product Group:
- Mechanical Locks
- Product Subgroup:
- Bored Locksets
- Commercial/Residential:
- Commercial
- Lock Function:
- Classroom
- Product Type:
- Leverset
- Grade:
- Grade 2
- Product Attribute:
- Cylindrical Locks
- Product Function:
- Classroom
- Product Finish:
- US26D Dull Chrome
- Product Category:
- Mechanical Locks
- Department:
- Door Hardware
Delaney Hardware 3S5092 – Frequently Asked Questions
1) How does the classroom function work on the Delaney E Series SD lever?
The outside lever is locked and unlocked by key only, and there is no inside thumbturn or button. The deadlocking latch bolt retracts with a key in the outside lever or by rotating the inside lever, and the inside lever is always unlocked for free egress. That is the standard classroom setup: staff control the corridor side with a key, occupants always get out.
2) Will this Delaney classroom leverset fit a 1-3/8 inch door?
Yes. The E Series SD lever uses an adjustable mounting plate covering 1-3/8 inch through 2 inch doors, so it handles older 1-3/8 inch interior doors as well as standard 1-3/4 inch commercial doors and thicker 2 inch slabs without extra kits.
3) What door prep does this cylindrical leverset need, and can I drop it into an existing 161 prep?
Standard cylindrical prep: 2-1/8 inch cross bore, 1 inch edge bore. The latch face prep depends on backset, 1-1/8 x 2-1/4 inches for the 2-3/4 inch backset and 1 x 2-1/4 inches for the 2-3/8 inch, with a square corner faceplate. The strike is a 4-7/8 inch ANSI strike (9109). If your existing opening is already bored 2-1/8 inch with a 4-7/8 inch ANSI strike box, the lever goes in without new boring.
4) Which backset do I order for this Delaney E Series lever?
Backset is a required selection: 2-3/4 inches or 2-3/8 inches. The 2-3/4 inch UL latch is the standard and is what most commercial openings are bored for; 2-3/8 inches is the optional choice and is common on residential-depth prep. The latch part numbers differ accordingly, with the 2-3/4 inch entrance latch being E9070T and the 2-3/8 inch E9060T.
5) Can this Delaney classroom lever go on a fire rated door?
The latch bolt meets a 3-hour fire rating, and the 2-3/4 inch backset latch is the UL latch standard. So it is suited to rated openings up to 3 hours with the standard latch.
6) What keyways can I get, and can I key it into my existing Schlage or Kwikset master system?
Keyway is a required choice: SC4 6-pin is standard, with KW1 5-pin and SC1 5-pin optional. SC4 and SC1 are Schlage keyways and KW1 is Kwikset, so it can be keyed into an existing system on any of those three. Keying is also specified at order time as keyed different or keyed alike.
7) What is the difference between the standard cylinder and the SFIC version of this leverset?
Two build options. The standard cylinder version comes keyed in the keyway you specify. The SFIC version is prepped for a small-format 6-pin interchangeable core and ships less core, so you supply the core from your own system, which is how most schools and large facilities standardize. If you take the SFIC route, select None for keyway and keying.
8) For a restroom or single-occupancy room that needs an occupancy indicator instead of a keyed lock, what lever works instead of the Delaney E Series SD classroom leverset?
Use the Cal-Royal INDLEV-20 privacy indicator leverset, which carries a privacy function with a red/green occupancy indicator and is offered in 2-3/8 inch and 2-3/4 inch backsets. The Delaney E Series SD lever is a classroom function: the deadlocking latch is operated by key in the outside lever, the outside lever is locked and unlocked by key, and the inside lever is always unlocked, so there is no thumbturn and no visual occupancy display. Pick the Delaney when the room must be secured by key from the corridor side, and the Cal-Royal when the occupant needs to lock from inside and show the room as occupied.
9) Is the Cal-Royal INDLEV-20 a substitute if I need a Grade 2 classroom lever?
No. The INDLEV-20 is catalogued as standard duty commercial and its function is privacy with an indicator, not classroom. The Delaney E Series SD leverset is Grade 2, meeting and exceeding BHMA/ANSI A156.2 Series 4000 at 400,000 cycles and the FF-H-106C federal standard, with a keyed classroom function. If a drawing or specification calls for a Grade 2 classroom cylindrical lock, the Delaney is the one that answers it.
10) Will the latch on this lever secure into my existing strike?
The bolt is a 1/2 inch throw stainless steel deadlocking latch, which is the normal cylindrical latch projection, so it engages a standard 4-7/8 inch ANSI strike or a T-strike with the same lip depth. The lockset ships with the 9109 4-7/8 inch ANSI strike if you want to replace the existing one.
11) Is this lever strong enough for a school corridor or other high traffic door?
It is a commercial Grade 2 cylindrical lockset tested to BHMA/ANSI A156.2 Series 4000, 400,000 cycles, and it also meets the FF-H-106C federal standard. It has an independent torsion spring and anti-friction latch retractor, plus clutch panic-proof push/turn action so forcing a locked outside lever does not damage the internals. For the heaviest abuse openings you would step up to a Grade 1 lock.
12) Do I need a classroom lock or a privacy lock for my application?
Classroom is key-controlled from the outside with no inside locking, which is what you want where staff must control who can lock a door. If you actually need occupant-controlled privacy, such as a restroom or single-occupancy room, use a privacy lever instead, for example the Cal-Royal INDLEV-20 privacy leverset with a red/green occupancy indicator, adjustable for 1-3/8 to 1-3/4 inch doors. Note the Delaney E Series covers a wider 1-3/8 to 2 inch range.
13) Is handing an issue when ordering this Delaney leverset?
No. It is a bored cylindrical lever with through bolts and an adjustable mounting plate, so one lockset serves left and right hand doors. What you do have to pin down on the order is backset, keyway, and keying.
14) Will a Cal-Royal INDLEV-20 fit the same doors as the Delaney E Series SD classroom leverset?
Not across the full range. The Cal-Royal INDLEV-20 is adjustable for 1-3/8 inch to 1-3/4 inch door thickness, while the Delaney E Series SD classroom leverset covers 1-3/8 inch through 2 inch on an adjustable mounting plate. Both are offered in 2-3/8 inch and 2-3/4 inch backsets, so on a standard 1-3/4 inch door either will land in the same cross bore; on a thicker door up to 2 inches the Delaney is the one rated for it.
15) Does the dull chrome finish match the other levers in my building?
The finish is US26D dull chrome, the satin chrome that is the most common commercial lever finish, so it sits alongside existing US26D or satin chrome trim, exit devices, and closers. If your other doors are brushed nickel or satin stainless, expect a slight tone difference.
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Does the Delaney Hardware 3S5092 come with a warranty?
Absolutely. The Delaney Hardware 3S5092 is backed by a manufacturer’s warranty.
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