Every application will have different requirements, but in general the following guide should help.

Door Type

Suggested Magnalock

Typical "Storefront" aluminum over glass M32 series or M34 series
Sliding Door M34R (R-recessed option)
Wood or metal door requiring a concealed installation SAM series
Herculite Door (with top & bottom rail) SAM series
Bi-Swing Door SAM series
Interior office door or corridor door (low to medium security) M32 series or M34 series
Interior office door or corridor door (medium to high security) M62 series
Steel Door (such as warehouse exit) M62 series
Very High Security such as a door in a detention center M82 series
Super High Security susceptible to attack such as a detention holding area Dual M62 or Dual M82 in full length vertical housing
Swinging Gate (Man Gate) M62FG with M62Z bracket
Swinging Gate (Vehicle Gate) M62FG with Z-62 bracket or M82SCFG w/Z-82 bracket