Other Metals

Bismuth

Bismuth is a brittle, crystalline, white metal with a slight pinkish hue, and is often found as a byproduct of mining and refining lead, copper, tin, silver, and gold ores. Bismuth stands out for its low toxicity compared to other heavy metals, making it a safer alternative for many applications. It is known for its unique properties, including a high density, low thermal conductivity, and high electrical resistance, as well as being diamagnetic.

Bismuth is used in a variety of applications. In the pharmaceutical industry, it is an active ingredient in medications for treating gastrointestinal disorders, such as bismuth subsalicylate found in Pepto-Bismol. Bismuth compounds are also used in cosmetics, pigments, and as a lead-free replacement in free-machining alloys and solders, due to its non-toxic nature. Additionally, bismuth is utilized in the production of low-melting-point alloys for fire detection and extinguishing systems, and in nuclear reactors for cooling and shielding.

Fluoride

Fluoride is a naturally occurring mineral derived from the element fluorine, found in various minerals, water sources, and foods. It is the ionic form of fluorine and is often encountered in compounds such as sodium fluoride, stannous fluoride, and fluorosilicic acid. Fluoride is widely recognized for its beneficial effects on dental health.

Apart from its dental applications, fluoride has several industrial uses. It is used in the production of fluorinated compounds, such as hydrofluoric acid, which is crucial in the manufacturing of a wide range of products, including refrigerants, pharmaceuticals, and agrochemicals. Fluoride compounds are also employed in the aluminium industry for the electrolytic reduction of alumina to aluminium metal. Additionally, fluoride salts are used in metallurgy for refining metals and in the production of specialty glasses and ceramics, where they improve the properties of the final products

Tungsten

Tungsten is a dense, hard, and highly resistant metal with the highest melting point of all metals, standing at 3422°C (6192°F). Tungsten’s unique properties, such as its high melting point, exceptional hardness, and excellent thermal and electrical conductivity, make it invaluable in a variety of industrial applications. It is often found naturally in minerals such as wolframite and scheelite, from which it is extracted and refined.

Tungsten is used in numerous applications across different industries. In the electronics and lighting industries, tungsten’s high melting point and durability make it ideal for use in the filaments of incandescent light bulbs and as electrodes in arc lamps and welding equipment. In the aerospace and defence sectors, tungsten’s density and hardness are critical for making high-performance alloys used in turbine blades, rocket nozzles, and armour-piercing ammunition. Additionally, tungsten carbide, an extremely hard material made by combining tungsten with carbon, is widely used in the manufacturing of cutting tools, mining machinery, and wear-resistant surfaces, due to its ability to maintain sharpness and resist wear under extreme conditions.

Silver

Silver is a lustrous, white, and highly reflective precious metal known for its exceptional conductivity and malleability. Silver has been valued throughout history for its aesthetic and practical properties. It is typically extracted from silver-bearing ores such as argentite and galena, often as a by-product of mining for other metals like lead, zinc, and copper. Silver can also be found in its native form as nuggets or grains in placer deposits.

Silver’s versatile properties make it suitable for a wide range of applications. In the electronics industry, silver is used extensively due to its superior electrical and thermal conductivity, making it an essential component in conductors, switches, and connectors. Silver’s antibacterial properties are utilized in medical applications, such as wound dressings, coatings for medical devices, and water purification systems. In addition to these uses, silver plays a significant role in the production of solar panels, mirrors, and catalysis for chemical reactions. Its aesthetic appeal continues to make it a popular choice for jewellery, tableware, and decorative items.

Uranium

Uranium is a heavy, dense metal. It is naturally radioactive and primarily found in minerals such as uraninite and carnotite. Uranium has a high atomic weight and exhibits significant radioactivity, which makes it a critical material for nuclear energy and weapons. The most common isotope of uranium is U-238, but the isotope U-235 is particularly important due to its ability to sustain nuclear fission reactions.

Uranium’s most significant use is as a fuel in nuclear power plants, where its fission releases a tremendous amount of energy used to generate electricity. In these plants, uranium is processed and enriched to increase the concentration of U-235, which is then formed into fuel rods. Beyond energy production, uranium is also crucial in the defence sector for the creation of nuclear weapons, utilizing its fissile properties to produce powerful explosions. Additionally, depleted uranium (uranium with a reduced U-235 content) is used in military applications for armour-piercing projectiles and protective armour due to its high density. Uranium’s radioactivity also finds applications in medicine, particularly in radiation therapy for cancer treatment, and in various scientific and industrial processes, such as radiographic testing and geological dating.

Knife Gate Valves

Knife Gate Valves are crucial in various stages of the copper extraction process, particularly in handling slurry, pulp, and other abrasive materials. Common areas you would find our Knife Gate Valves include:

KGI Series:

Lined Knife Gate Valve for Acidic Slurry & Solutions

KH Series:

High Pressure Slurry Knife Gate Valve

KS Series:

Slurry Knife Gate Valve

• Provides reliability in slurry isolation across the entire plant:
o Flotation Cells, Cyclones, Thickeners, etc
o Heap Leach Plants
o SX/EW Plants
o Tailings Distribution Lines & Spigots
• Full body liner protects the valve body from slurry and leach solutions, increasing the life of the valve
• Rotable; easily refurbishable on site as the liner is replaceable
• Gate Options: 316 SS, 2205 Duplex, 2507 Super Duplex, Hastelloy C276, Hastelloy C22, etc
• Fully enclosed body does not discharge during operation, eliminating contamination of the surrounding environment

• Available in Class #150 and Class #300 ratings
• Meets MSS SP-135 Standards
• Successfully operate in:
o High Density Tailings
o Abrasive and turbulent slurries
• Features identical inlet and outlet seat rings that incorporate a soft primary seat and a hardened secondary seat to improve sealing and service life
o Seat Ring Options: Hardened Steel, Ceramic Lined, other anti-abrasion materials, etc to suit the process conditions
• Rotable; easily refurbishable on site
• Fully enclosed body does not discharge during operation, eliminating contamination of the surrounding environment

• Available in 10 bar or Class #150 ratings
• Body and Gate Options: 316 SS, DI, CS, 2205 Duplex, 2507 Super Duplex, Hastelloy C276, etc
• Features a soft primary seat and a metal secondary seat to improve sealing and service life
• Rotable; easily refurbishable on site
• Fully enclosed body does not discharge during operation, eliminating contamination of the surrounding environment

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