Gate valves are devices used to isolate utility distribution, industrial or HVAC pipelines. Other phrases used to describe gate valves include Stop valve, Line valve, Wedge gate valve and Sluice valve, but not to be mistaken for a Sluice gate which frequently used to refer to a penstock. Gate valves are not intended for modulation or flow control duties.
T-T offer a wide range of waterworks gate valves designed to British and European Standard for potable water, wastewater, sewage and fire main duties. Most gate valves used within the waterworks industry tend to have non-rising stems, also known as inside screw, which means that the stem remains within the valve body.
Metal seat gate valves have non-ferrous metal faces to achieve a seal and suited to wastewater and sewage duties. While resilient seated gate valves comprise of a rubber encapsulated wedge and suited to water and clean neutral fluids.
WRAS (Water Regulations Advisory Scheme), independently tests products to demonstrate compliance with the Water Supply (Water Fittings) Regulations and Byelaws in Scotland. T-T have many valves that have successfully granted this approval.
