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Knife Gate Valves Australia
Derwent Industries AVFI’s uni & bi-directional knife gate valves are available with a wide range of body and sealing types, including semi lugged or fully lugged body with an open shroud or bonnet options. Our standard knife gate valves are fitted with resilient seats, a metal seat knife gate valve option is available on request. AVFI’s knife gate valves range in sizes from DN 50 (50 mm) to DN 1500 (1.5 metres) and stocked knife gate valves pressure ratings vary up to PN 10 (10 Bar). For higher pressure applications please contact AVFI. Stocked knife gate valves are available in epoxy coated cast iron and stainless steel.
As valve specialists AVFI can provide riser extensions & automate your valves with either electric or pneumatic actuators, in a fast turn-a-round time. AVFI’s uni & bi-directional knife gate valves are made to the highest quality and adhere to Australian standards in both our epoxy coated cast iron & 316 stainless steel valve range. Viton (for Uni-directional) & NBR (for bi-directional) seals are standard providing a superior seal, also available with optional PTFE and metal seats upon request. Refer to the Derwent Industries appropriate data sheet for full knife gate valve details.
FAQ
What are knife gate valves used for?
Knife gate valves are used to isolate or control flow in a pipeline. Derwent Industries supplies them under the AVFI brand, available in both uni-directional and bi-directional configurations to suit different flow-control needs.
What sizes do AVFI's knife gate valves come in?
AVFI’s knife gate valves range in size from DN 50 (50 mm) to DN 1500 (1.5 metres).
What pressure rating are knife gate valves available in?
Stocked knife gate valves have pressure ratings up to PN 10 (10 Bar). For higher-pressure applications, Derwent advises contacting AVFI directly.
What materials are knife gate valves available in?
Stocked knife gate valves are available in epoxy coated cast iron and stainless steel knife gate valves.
What types of knife gate valves does Derwent/AVFI offer?
The range includes:
- Uni-Directional Knife Gate Valves (KGV-XDV-UDH)
- Knife Gate Valves with Gearbox
- Electric Actuator – Wafer FBE Coated Cast Iron Knife Gate Valve
- Fully Lugged 316 Stainless Steel Knife Gate Valve with Actuator
- Fully Lugged 316 Stainless Steel Knife Gate Valve with Gearbox
- KGV-XDV-UDH-DA
- KGV-XBD Bi-Directional Knife Gate Valves
What seat options are available on AVFI's knife gate valves?
The standard knife gate valves are fitted with resilient seats. A metal seat option is also available on request.
What seal materials are used in knife gate valves?
Viton seals are standard for uni-directional valves, and NBR seals are standard for bi-directional valves. PTFE and metal seats are also available as options on request.
Can knife gate valves be automated?
Yes. As valve specialists, AVFI can automate knife gate valves with either electric or pneumatic actuators, and can also supply riser extensions, with a fast turnaround time.