lcn cycle test

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ANSI grade one cycle test is 500,000, grade two is 250,000 and grade three is 100,000.
The American National Standards Institute (ANSI) and Builders Hardware Manufacturers Association (BHMA) have developed durability, strength and performance standards for every type of door hardware...
The Von Duprin PS914-2RS retracts the EL or QEL device approximately 200 times with five second hold time after each pull.