2 Kent KVCRP Pop Up Drain - Upper Floor Kent KVCRP Pop Up Drain - Upper Floor Kent Kent KVCRP Pop Up Drain - Upper Floor This is the Upper floor version of our KVCRP Pneumatic Floor Gully. The pneumatic connection is accessed from outside the drain body. An air feed stainless pipe, by others, then hangs from a bracket connected to the underside of the upper floor slab. There are 3 options for the pneumatic valve choice: Single Acting Sprung Out Cylinder Air supply required to close the drain and exhausted to allow the cover to open using an internal spring. This system is generally used when the drains are connected to the fire suppression system. In the event of the air supply system failing the covers will open. Single Acting Sprung In Cylinder Air supply required to open the drain and exhausted to allow the cover to close using an internal spring. This system is generally used in clean production areas. In the event of the air supply system failing the covers will remain sealed. Double Acting Cylinder Air supply is required to both open and close the drain, this system is generally used when drains are to be opened for cleaning / wash down cycles. Constant air supply required to keep the cover sealed. INDUSTRIES - BioPharma - Pharmaceutical - Laboratories Product Code