Product Description

HEV

● Pressure Reducing Valve
Type CRV
• This water valve can be connected directly to a
water conduit.
● Relief Valve
Type WSV and VSV
• This valve being provided with a diaphragm is highly
reliable and the most suitable for the maintenance of
a hot water supply unit. (WSV type)
• This valve is provided with a negative pressure
operating device. If the hot water supply unit or
piping becomes a negative pressure internally, this
device introduces the atmospheric pressure to
prevent the damage of the unit and a reverse flow.
(VSV type)