Under Silo Knife Gate Valve KGS – Performance and Reliability in Industrial Environments
Flowrates Under Silo knife gate valves are designed for handling solids, powders, and bulk materials with unmatched precision and durability. With a non-restrictive design and a high-strength welded structure, they ensure smooth flow, excellent sealing, and easy maintenance, even in the most demanding industrial environments.
Reinforced Design for Superior Sealing and Durability
- Unobstructed flow: No internal cavities, ensuring total evacuation of solids and preventing build-ups that could affect performance.
- Precise gate guidance: The gate is supported throughout its stroke by adjustable stainless steel eccentric bearings, ensuring constant seat contact, reducing wear, and optimizing maneuverability.
- Protected and replaceable seat: Each valve is equipped with a retaining ring that locks the seat in place, preventing dislodgement, even in the presence of abrasive or solid particles.
- Square gate with a round flow section: This innovative design allows complete particle clearance during closure, reducing the risk of clogging and extending equipment lifespan.
- Easy cleaning: Integrated purge holes allow cleaning with compressed air or nitrogen, ensuring optimal operation even in harsh conditions.
- Simplified maintenance: The removable bottom plate allows direct access for servicing and cleaning without requiring full disassembly.
- Customizable sealing materials: Wide selection of elastomers, PTFE with dynamic seals, or metal with compensation systems, providing maximum resistance to high-temperature and high-pressure applications.
- Optional bonnet version: Ensures total fluid containment, preventing any contact with the atmosphere for sensitive applications
Industrial Applications of the Silo Knife Gate Valve
- Energy & Environment – Ash management, incineration, biomass
- Food Industry – Transport and dosing of powders and bulk food products
- Mining – Ore extraction and processing, solid waste management
- Cement & Quarries – Transport and dosing of cement, lime, and silica
- Pulp & Paper – Fiber control and thickened slurry flow management
- Chemical & Petrochemical – Handling of powdered and granulated chemicals
With a robust construction and high adaptability, Flowrates square welded knife gate valves are the ultimate solution for industries requiring precision, reliability, and long-term performance.
Technical Features and Advantages of the KGS Model
Dn : 50 to 600
Body material : Ductile iron / Stainless steel CF8M / Steel A216WCB / Duplex
Disc materials : Stainless steel AISI316 / AISI 304 / Duplex
Seat materials : EPDM / NBR / Food-approved silicone / FKM / PTFE / Dynamic metal seat
Connection : Between flanges / Threaded connection / Flanged
Drilling : PN6 / PN10 / PN16 / ANSI 150 LBS
Min Temperature : -40°C
Maximum temperature : +850°C
Maximum pressure : 16 bars
Tightness : 100% tight with soft seat / Dynamic PTFE sealing / Dynamic metal sealing class G
Actuator :
- Handwheel with rising stem / Handwheel with non-rising stem / Electric motor / Pneumatic cylinder / Hydraulic cylinder / Gearbox with handwheel
- All these equipements are built, tested and set by our team of expers !
Options :
- Possiblity to build this valve with a bonnet for applications that need it (gas – high temperature – fugitive emissions)
- TA LUFT certification (standard related to fugitive emissions through the packing gland)
- Valve can be fully welded to grand utmost customization
