The Viking Corp., a global manufacturer of fire protection systems, has added some new commercial concealed sprinkler choices to its product line. These new Viking adjustable concealed sprinklers with domed covers are an alternative to flat-plate concealed sprinklers. The new commercial line of pendent sprinklers includes standard and quick response sprinklers for standard and extended coverage applications available in 5.5K, 8.0K and 11.2K models. The sprinklers are cULus listed and are shipped with protective caps to protect them from damage during shipping, handling and installation. Available standard in white, black and ivory, as well as many custom colors, the cover has a push-on, pull-off design and may be removed without taking the system out of service.The Viking Corp.