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Top 5 Affordable Valve Solutions for Mining and Industrial Applications

Your One-Stop-Shop for Complete Valve Solutions

In industries like mining, wastewater treatment, and slurry management, durable and efficient valve systems are essential. Fluid Power Valve Technologies offers a comprehensive range of locally manufactured valves, including Wafer (WGV), Flanged (FGV), and SGV polyurethane-lined knife gate valves, designed to handle aggressive slurries and tough environments. Along with our slurry knife gate valves, we also offer double-acting pneumatic actuators, diaphragm valves, pinch valves, and poppet samplers, making us your complete solution provider for all industrial valve and actuation needs.

Our locally manufactured products offer shorter lead times and more competitive pricing than imported alternatives, delivering excellent value without sacrificing performance or durability.


SGV: Polyurethane-Lined Knife Gate Valves

The SGV-range polyurethane-lined knife gate valves are specifically designed to handle aggressive slurries and abrasive materials in demanding environments such as mining and wastewater treatment. The polyurethane lining provides superior protection against wear, extending the valve’s lifespan even under tough conditions.

  • Size Range: 50mm to 750mm
  • Applications: Hard Rock Mining, Coal, Soda Ash, Mineral Sand, Kaolin, Phosphate, Pulp & Paper, Alumina, General Industrial, General Chemical, Power Utilities, Sand & Gravel

Note: The SGV range is an in-house design, showcasing our commitment to innovation and performance.


WGV: Wafer Knife Gate Valve

Our WGV is engineered to be interchangeable with Clarkson’s KGD series, offering the same high performance at a more affordable price.

  • Size Range: 50mm to 750mm
  • Applications: Mining, Mineral Processing, Chemical & Soda Ash, Power Generation, Pulp & Paper, Sand & Gravel, Environmental & Effluent, Cement.

FGV: Flanged Knife Gate Valve

The FGV is designed to be interchangeable with Clarkson’s KGA series, offering the same high performance at a more affordable price.

  • Size Range: 50mm to 750mm
  • Applications: Mining, Mineral Processing, Chemical & Soda Ash, Power Generation, Pulp & Paper, Sand & Gravel, Environmental & Effluent, Cement.

WGV, FGV, and SGV Knife Gate Valves: Key Differences

When selecting the right valve for your application, especially in mining and slurry environments, it’s crucial to understand the differences between Wafer (WGV), Flanged (FGV), and SGV knife gate valves. Below is a breakdown to guide your decision-making:

FeatureWGV (Wafer Knife Gate Valve)FGV (Flanged Knife Gate Valve)SGV (Wafer-Style Polyurethane-Lined Knife Gate Valve)
Valve Body MaterialSG Iron Grade 42, Grade 10, WCB, Stainless CF8M CastSG Iron Grade 42, Grade 10, WCB, Stainless CF8M CastGrade 220 or Grade 10 Cast Iron
Gate Material304/316 Stainless Steel, Saf 2205 Duplex Stainless Steel304/316 Stainless Steel, Saf 2205 Duplex Stainless Steel, Hastelloy304/316 Stainless Steel, Saf 2205 Duplex Stainless Steel
Pressure Rating10 bar (DN50–400), 6.2 bar (DN450–750)10 bar (DN50–400), 6.2 bar (DN450–750)10 bar (DN50–400), 6.2 bar (DN450–750) (Duplex 2205: 16-25 bar for DN50-450)
Elastomer SleevesGum Rubber, EPDM, Nitrile, Butyl, Hypalon, Viton, PolyurethaneGum Rubber, EPDM, Nitrile, Butyl, Hypalon, Viton, PolyurethanePolyurethane Lining
Flow DirectionBi-directionalBi-directionalUnidirectional (Optional V-notch for flow control)
Sizes AvailableDN50 to 750DN50 to 750DN50 to 750
Gate CoatingsTungsten Carbide, Ceramic CoatingsTungsten Carbide, Ceramic CoatingsNone
Optional FeaturesActuators (Electric, Gearbox, Pneumatic, Hydraulic, Handwheel, Chainwheel), Optional Branding & ColorActuators (Electric, Gearbox, Pneumatic, Hydraulic, Handwheel, Chainwheel), Optional Branding & ColorOptional V-notch, Various Actuators (Electric, Gearbox, Pneumatic, Hydraulic), Optional Branding & Color
AccessoriesLubrication Ports, Flushing Port Cover (for corrosive mediums), Dust Covers (PVC bellows and spindle covers), Gate (various materials), Instrumentation (proximity switches, pneumatic solenoid valves, fittings, and piping)Lubrication Ports, Flushing Port Cover (for corrosive mediums), Dust Covers (PVC bellows and spindle covers), Gate (various materials), Instrumentation (proximity switches, pneumatic solenoid valves, fittings, and piping)Dust Covers (PVC bellows and spindle covers), Instrumentation (proximity switches, pneumatic solenoid valves, fittings, and piping)
CertificationPhysical & Chemical Test Reports on RequestPhysical & Chemical Test Reports on RequestPhysical & Chemical Test Reports on Request
Drilling PatternsDrilled and tapped to ANSI Class 150, British, ASME, SANS standardsDrilled and tapped to ANSI Class 150, British, ASME, SANS standardsDrilled and tapped to British, ANSI, ASME, SANS, BS10 Table 1 standards
Top WorksAngle Iron, A-Frames, Mild Steel Side PlatesAngle Iron, A-Frames, Mild Steel Side PlatesAngle Iron, A-Frames, Mild Steel Side Plates
Optional Branding and ColorsTailored to client specificationsTailored to client specificationsTailored to client specifications

Which Valve is Right for Your Application?

  • WGV (Wafer Knife Gate Valve): Ideal for space-constrained applications requiring easy installation between flanges. Perfect for various industrial and mining applications, especially those needing bi-directional flow.

  • FGV (Flanged Knife Gate Valve): Best for larger pipelines with secure flanged connections. Suited for high-pressure applications and industries requiring heavy-duty flow control.

  • SGV (Polyurethane-Lined Knife Gate Valve): Designed specifically for aggressive slurry handling. The polyurethane lining offers enhanced erosion and abrasion resistance. Ideal for applications with varying flow rates.

In summary, while the WGV and FGV are ideal for standard industrial applications, the SGV provides a specialized solution for slurry and high-abrasion environments. Consider your operational needs—flow direction, pressure rating, and slurry composition—when selecting the best valve for your system.


Additional Valve Solutions for Mining and Industrial Applications

Alongside our knife gate valves, Fluid Power offers a range of complementary products to provide a complete valve solution for your industrial needs:

  • Pneumatic Actuators (Double-Acting and Spring Return, Fail Open/Close): Sizes from 50mm to 750mm.
  • Pinch Valves: Rubber/polyurethane linings, sizes from 50mm to 500mm.
  • Diaphragm Valves: Rubber/polyurethane linings, sizes from 50mm to 250mm.
  • Poppet Samplers: Precision sampling for sludges, powders, water, and solids, for pipelines from 80mm to 350mm.

With these products, Fluid Power offers a one-stop solution for all your valve, actuation, and flow control needs.


Why Choose Fluid Power?

Proudly South African & Locally Manufactured: Established in 2006, Fluid Power Valve Technologies is a proudly South African owned and operated company. We specialize in the design and manufacture of high-quality knife gate valves, pneumatic actuators, diaphragm valves, and pinch valves. All our products are locally produced, ensuring we deliver tailored solutions to meet the specific needs of our clients.

ISO-Certified & Industry Recognized: We are ISO-certified and a proud member of the South African Valve and Actuator Manufacturers’ Association (SAVAMA), which is formally affiliated with the Steel and Engineering Industries Federation of Southern Africa (SEIFSA). 

Custom Solutions & Fast Delivery: We understand the urgency of your requirements. Our standard delivery time ranges from 4 to 6 weeks, ex-works from our Johannesburg factory. Clients are responsible for collection, but we also offer a door-to-door service along with international freight options. Pricing is available on request, and for international orders, we provide quotes based on the US dollar exchange rate.

Global Reach with Local Expertise: With over 17 years of industry experience, we have built a strong reputation for delivering top-tier products and services. Our team’s technical expertise, combined with our local manufacturing capabilities, ensures we provide cost-effective, efficient solutions to clients both locally and internationally.


Why Knife Gate Valves Are Essential for Mining and Industrial Applications

Knife gate valves are essential for controlling the flow of aggressive slurries, solids, and other challenging materials. Commonly used in mining and industrial applications, these valves are designed for durability, ensuring tight shutoff and minimal leakage.

  • Applications: Mining, wastewater treatment, power plants, industrial processes.
  • Benefits: Capable of handling slurries, sewage, and abrasive sludges.

A Complete Valve Solution Provider for Mining and Industrial Sectors

Fluid Power Valve Technologies is more than just a valve manufacturer—we’re your complete valve systems and actuation solution provider. Our range of premium knife gate valves and complementary products ensures efficient, reliable, and high-performance operations for your business.

By choosing Fluid Power, you benefit from locally manufactured products with shorter lead times, cost savings, and exceptional customer service.


Disclaimer: All original manufacturers’ names, part numbers, and descriptions are for reference purposes only and do not imply that any part is the product of these manufacturers.

About Fluid Power

Your Premier Source for Hydraulics, Actuators, Drifters, Pneumatics, Diaphragm Valves, and Knife Gate Valves!

Established in 1994, Fluid Power has been dedicated to providing comprehensive solutions for all your fluid power needs. With over two decades of experience, we have earned our reputation as a trusted one-stop-shop in the industry.

Our team of experts is always ready to assist you in selecting the right components for your specific requirements. Your success is our priority, and we are dedicated to helping you achieve it.