CS-4N Type Check Valve with Expansion/Contraction Pipe (for Cold/Hot Water)

Spring-type for apartment buildings, houses, building facilities, etc. (Low pressure loss, water hammer prevention type)

[Features]
· For various supply water systems, prevents backflow caused by back pressure when pressure of the water supply source decreases due to water supply shutoff, etc., and for maintaining a reliable and safe water supply.
· Spring style shuts valves for back-flow prevention during back pressure or water shutoff, for water hammering prevention type with excellent safety.
· The valve body is a synthetic rubber disk.
· Usable with warm water up to 90°C.
· Water can be supplied at a low pressure loss.
· Pipe end cores are used for connectors, as they are made of material that won't rust, thus preventing rust-colored water.
· Valve body is structured as a cartridge for easy maintenance.
Noise during water flow is 40 dB or less (during rated flow), for low noise of around the same degree as piping.