pendent standard concealed VK4921
Viking Standard Response Concealed Pendent Sprinkler VK4921 is a small
thermosensitive, glass-bulb sprinkler designed for installation on concealed pipe
systems where the appearance of a smooth ceiling is desired. The low-profile
cover assemblies provide up to ½” (13 mm) of vertical adjustment.
Features:
• K5.6 (80.6 metric).
• Standard response glass bulb operating element.
• Integral threaded adapter cup accepts push-on or thread-on cover plates.
• Low-profile, small diameter, removeable cover plates offer almost flush
appearance upon installation and allow ease of maintenance.
• Protective cap prevents damage during installation and finishing and keeps
errant overspray from coating internal parts.
• Various finishes available to meet design requirements.
• Optional Electroless Nickel PTFE (ENT) coating provides corrosion resistance
(see Approval Chart).