The QED100 and QED300 exit devices are available as rim devices or surface vertical rod devices that accommodate a 36-inch wide door and are easily field sizable down to a 32-inch door. Both the rim and surface vertical rod exit devices are available in fire-rated and panic versions. Their devices can be ordered with either hex key or cylinder dogging. In addition, the surface vertical rod exit devices are available less bottom rod with dogging options.
The K2 exit devices are available fire rated. The QED100 Series exit devices have a three hour “A” label. The QED300 Series surface vertical rod exit devices have a 1-1/2 hour “B” label. The QED300 Series rim exit devices have a three hour “A” label. These fire rated rim devices accommodate a single door up to 4 feet by 8 feet. The fire rated surface vertical rod exit devices accommodate up to an 8-foot by 8-foot pair of doors.
The institutional type Grade 1 models, the QED100 Series exit devices are manufactured of extruded aluminum and have a double plated head. The head assemblies are manufactured of two steel plates for added strength and reinforcement. The utility type Grade 1 models, the QED300 Series exit devices, are manufactured of steel with a single plate head assembly.
The QED100 Series is equipped with the push pad stabilizing mechanism. This mechanism incorporates a unique shaped “L” bracket within the roller assembly attached between two parallel plates on the push pad, keeping the push pad in constant contact with the device rail. The roller assembly smooths and helps to silence the compression and the expansion of the push pad. According to K2 , “there is a significant noise reduction and the push pad remains quiet even when struck with force.”
The QED100 Series exit devices are non-handed. The 36-inch exit device is adjustable to a 32-inch wide opening. The push pad is 24 inches , large enough to satisfy code requirements for a 48-inch wide opening (Code requires the push pad to cover at least 50 percent of the door width). The QED100 Series push pad is serviceable with replacement parts available. The QED300 Series push pad mechanisms are not serviceable.
Both the QED100 & QED300 Series exit devices are designed to retrofit over existing 161 door prep, and no modification is needed to the exit device to accept any of the trims available. The head unit and the bar are large enough to cover the 2-1/8” diameter cross bore opening at 2-3/4” backset. The exit device head cap and end cap are manufactured of zinc die-cast.
The K2 rim exit device is surface mounted. The latch bolt projects from the center of the center case. The QED100 Series one-inch wide stainless steel latchbolt has a ¾-inch projection. The QED300 Series .86-inch wide cast steel latch bolt has a ¾-inch projection. The latchbolts have a dead latch for added security. Fire rated devices are equipped with a fusible link that locks the latch in the latched position.
The K2 surface vertical rod exit device is designed to accommodate a seven foot door height. Eight foot rods are optional. The QED100 Series surface vertical rod device's seven- and eight-foot rods are one piece versus two piece rods on the QED300 Series. In addition, the QED100 Series vertical rods are fully enclosed within a decorative extruded aluminum cover. The QED100 Series latchbolts ' top and bottom are stainless steel with a ½- inch throw . The QED300 Series latchbolts are ½-inch top and 3/8-inch bottom.
The QED100 Series exit devices are available in Bright Brass 605, Satin Chrome 626, and Anodized statuary Bronze 613 finishes.
The QED300 Series exit devices are available in painted finishes 689 - Aluminum and 690 - Bronze.
The K2 Commercial Hardware QED100 and QED300 exit devices have a limited lifetime mechanical warranty and a three-year finish* warranty. (*613/US10B carries no finish warranty.)
For more information, contact your local locksmith wholesaler or K2 Commercial Hardware, 19701 Da Vinci, Lake Forest , CA. 92610. Telephone: 866-590-2094. Fax: 866-493-4737. Web Site: www.K2commercialhardware.com.
John McPartland is commercial hardware development manager for K2 Commercial Hardware by Black & Decker. McPartland joined Black & Decker in 2005 as part of a team to develop the K2 brand. He has over 21 years of business management and sales experience and nine years of experience in commercial and residential hardware. He is an active member of DHI.