what is latch speed

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  How to:  What are the steps to adjust a door closer?   Facts: All LCN and FALCON door closers will have 3 regulating valves and a spring adjustment.  All cl...
Door Control, Hydraulic Adjustment, Closer Adjustment
The hydraulic closer underneath the control box has 3 regulating valves (like any 4040 series hydraulic closer). Main Speed - adjust closing speed from 90° open down to 10°. Latch Speed - adju...
e.Primus was an electronic lock system that used iButton credentials to unlock a door.  Product was discontinued in July of 2002 with parts were available only for a short time.  Product support fo...