Same Day Dispatch as standard within Mainland UK

Specialists in Bespoke Solutions

Knife Gate Valves

As a leading international valve supplier, we stock a wide range of manual knife gate valves and pneumatic knife gate valves for isolation duties.  All of our knife gate valves are manufactured in cast iron or stainless steel and will suit PN10, PN16 and ANSI and are suitable for systems with suspended solids, fibrous materials and viscous fluids, such as wastewater, slurry, pulp, paper and food processing.

We offer hand wheel, lever or actuated operation and can supply additional equipment such as side protection plates, hydraulic double acting actuators or double acting pneumatic actuators to complete your unit.

5 Items found

15 30 60 All

5 Items found

15 30 60 All

What is a knife gate valve?

Knife gate valves are isolation valves that use a sharp knife edge to stop flow through a pipeline and cut through any materials that might prevent proper valve sealing.

Knife Gate Valve FAQs

What is a knife gate valve?
How do you properly install and maintain a knife gate valve?
How do you choose a knife gate valve?
How are knife gate valves operated?
What are the main components of a knife gate valve?

Case Studies

Knife Gate Valves for Wastewater Recycling in India

Nehru Gardens in Alwar, India, is fed by a decentralized wastewater treatment system that outputs thousands of litres of recycled wastewater each day – however, the system was underutilised.

T-T Flow supplied pneumatically actuated knife gate valves to enable the wastewater treatment plant to reach its full capacity.

Nehru Garden in Alwar, India.Nehru Garden in Alwar, India.

Generating Green Energy at Anaerobic Digestion Plant

As part of a massive renewable energy undertaking by Severn Trent Green Power, our experts supplied over 80 pneumatically actuated knife gate valves to an anaerobic digestion plant in Derbyshire, England.

The valve package included those actuated with double-acting pneumatic cylinders and handwheels, proximity switches and junction boxes for a complete flow control solution.

Anaerobic digestion plant.Anaerobic digestion plant.