Allegion
Terms of Use
Privacy Policy
Frequently Asked Questions
Ask your question
Entering your question as a complete sentence will provide more accurate results than keywords or phrases.
User questions
FAQs
Category List
“
difference between d and nd
”
RELATED FAQS
Question
Answer
What is the difference between the ND93 and ND95?
Resolution:
ND93PD (ANSI F88) Vestibule LockLatch retracted by key from outside when outside lever is disengaged by key in inside lever. Inside lever is always unlocked. ND95PD (ANSI F110) Classroom Securit...:
What is the difference between the ND50 and ND53?
Resolution:
ND50PD (ANSI F82) Entrance/Office Lock Push-button locking. Push-button locks outside lever until unlocked with key or by turning inside lever. Inside lever is always free for immediate egress. ...:
What is the difference between Von Duprin LX and/or RX switches and the Signal Switch SS option?
Resolution:
The RX monitors the push bar while the LX monitors the latch bolt of the exit device. A SS device has an LX and a key cylinder switch plus an emergency push bar signage.:
What is the difference between the standard lever inserts for the pre-2002 AL and the old D Lever?
Resolution:
The old D-Series Lever used a standard lever insert similar to the pre-2002 AL-Series standard lever insert. The old D Lever insert was smaller than the AL and the two were not comp...:
What is the difference between the Senior Swing 9540 and 9530 Series power operators?
Resolution:
The 9542 is the single door operator that mounts on the "push side" of the opening with a REG arm. The 9531 is the single door operator that mounts on the "pull side" of the opening with a STD arm...:
What is the difference between Von Duprin 98/9947 and 98/9948 concealed vertical rod devices?
Resolution:
They both use Template # 10320_c:
What is the difference between the E option and the E996 option for 98/99 series rim devices?
Resolution:
We used to offer a E99 rim device where there was a solenoid to lock or unlock the lever or thumbpiece trim on the back side of the center case of the 98/99 device. When we created the E996L trim ...:
What is the difference between D and ND series?
Resolution:
The D series is knob trim and the ND series is lever trim.: