Mining Application
Tailings Pipeline, Pump & Spigot Isolation
Extend maintenance intervals and ensure environmental protection with valves engineered for high pressure and high solids tailings.
Maximize Mill Uptime With Reliable Tailings Management
Mill waste, or tailings, are abrasive and cause severe wear on piping components as they are collected and delivered to the tailings storage facility (TSF). Tailings applications often see the highest solids content slurry, and highest pipeline volume, and can have a wide range of pressures. Isolation valve performance and life span have a direct impact on mill throughput and operating costs.
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Media & Case Studies
Maximize tailings handling uptime with Emerson's new severe service knife gate valves
Knife gate valve designed for the rigors of severe service applications
Recommended Products
The following products are capable of providing zero leakage shutoff through high pressure, high solids content slurry. These valves are engineered for an extended cycle life in abrasive media and rapid, on-site repair to maximize uptime.
Emerson’s Clarkson KS1 is a TRUE bi-directional, zero – leakage ASME Class 150 knife gate valve, specifically designed to handle the challenges of severe service applications. Engineered to prolong valve longevity and maintenance intervals, the KS1 aims to offer a lower total cost of ownership.
- TRUE bi-directional, zero leakage performance for severe services
- Patented gate edge seal system eliminates leakage through top of valve
- Heavy cross-section, precision-molded elastomer seat increases sealing surface area to maintain zero-leakage performance for more cycles
The Clarkson KGF and KGF-HP slurry knife gate valves provide proven slurry valve technology in higher pressures
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High pressure designs for the most challenging applications:
KGF: 20 bar (300 psi) CWP optional gate provides 31 bar (450 psi) CWP
KGF-HP: class 300 (51 bar [740 psi] CWP) - 100% isolation bubble-tight shut-off results in absolute zero downstream leakage.
- Double-seated design provides bi-directional flow and shutoff.
The Clarkson KGF and KGF-HP slurry knife gate valves provide proven slurry valve technology in higher pressures
-
High pressure designs for the most challenging applications:
KGF: 20 bar (300 psi) CWP optional gate provides 31 bar (450 psi) CWP
KGF-HP: class 300 (51 bar [740 psi] CWP) - 100% isolation bubble-tight shut-off results in absolute zero downstream leakage.
- Double-seated design provides bi-directional flow and shutoff.
The Clarkson KGD wafer style slurry knife gate valve is a high-quality, bi-directional isolation valve designed for optimal performance, durability, and reliability. Ideal for heavy-duty applications requiring ultimate sealing, it offers the latest in elastomer technology with the Mark III sleeve design.
- 100% isolation, bubble-tight shut-off - ensures absolutely zero downstream leakage.
- Double-seated design - provides bi-directional flow and shut-off, allowing for smooth operation.
- Unobstructed flow - eliminates turbulence, minimizes pressure drop across the valve, and prevents any accumulation of solids.
The SU10R valve provides bi-directional isolation and features a field replaceable snap-in liner for enhanced protection against abrasion and corrosive slurries, resulting in improved reliability and service life.
- TRUE bi-directional flow and shut-off: allow the valve to be installed in either direction and provide versatility in its application.
- Unique one-piece precision molded high strength polyurethane liner: protects the wetted parts from corrosion and abrasion, ensuring durability and longevity of the valve.
- Compact two-piece split body construction: offers ease of maintenance, making it easier to service and repair the valve as needed.
Expert Insights
Alek Duerksen
Tailings Valve Difficult Choices
Alek Duerksen’s Global Mining Review article, Making the Difficult Choices, describes the difficulties of tailing disposal and provides suggestions for choosing the proper automated isolation valves for this application.
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