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The 1200 Wet Pan Mill represents a standard benchmark in gravity concentration and secondary fine-grinding machinery. Primarily deployed within small-to-medium scale gold, silver, lead, zinc, and copper mining installations, this equipment relies on the mechanics of heavy rolling wheels to crush, shear, and pulverize ore matrixes. Grinding is achieved via the sheer weight of dual or triple heavy rollers revolving around a central vertical shaft inside a wear-resistant circular basin. This dual motion of rolling compression and sliding shear forces makes the 1200 Wet Pan Mill exceptionally efficient for unlocking micro-crystalline gold particles from quartz veins.
From an engineering standpoint, the designation "1200" denotes the outer diameter of the grinding roller (1200 mm). This size configuration represents the optimal intersection between gear torque, mechanical energy input, and output yield. The thickness of the grinding roller ring typically ranges between 300 to 350 mm, providing a massive contact surface area that processes raw crushed ore feed (commonly <20 mm) down to a refined pulp containing particles from 100 mesh to over 200 mesh (0.15 mm down to 0.074 mm). By utilizing high-grade cast steel, alloy castings, and structural reinforcement, modern 1200 wet pan mills minimize mechanical deflection under high-load continuous cycles.
Roller Diameter
Standard Motor Power
Processing Capacity
Optimal Pan Speed
| Model Specs | Roller Dimensions (Dia. x Width) | Pan Base Diameter | Feed Particle Size | Discharge Size | Operating Power |
|---|---|---|---|---|---|
| WP-1100 | 1100 mm x 220 mm | 1300 mm | <15 mm | 100-200 mesh | 7.5 - 11 kW |
| WP-1200 (Standard) | 1200 mm x 250 mm | 1400 mm | <20 mm | 100-200 mesh | 11 - 15 kW |
| WP-1300 | 1300 mm x 280 mm | 1500 mm | <22 mm | 120-200 mesh | 15 - 18.5 kW |
| WP-1400 | 1400 mm x 300 mm | 1600 mm | <25 mm | 120-200 mesh | 18.5 - 22 kW |
The global demand for 1200 wet pan mills is heavily driven by small-to-medium scale artisanal and industrial gold mines, particularly across regions with rich mineral belts like Sub-Saharan Africa (Sudan, Tanzania, Zambia, Zimbabwe, Ghana), Southeast Asia (Indonesia, Philippines, Myanmar), and parts of South America. Purchasing managers and mining executives prioritize machinery that balances capital expenditure (CAPEX) with operational reliability (OPEX). Our export metrics show that buyers typically seek manufacturers who offer complete parts support—especially for wear-sensitive components such as the grinding rollers and pan liners, which require replacement under abrasive working conditions.
When evaluating quotes, international buyers must consider logistics compliance, shipping dimensions, and port regulations. Wet pan mills are heavy, heavy-duty machines; thus, packing configurations, anti-corrosion marine coatings, and ocean freight consolidation are critical elements of the procurement lifecycle. As a trusted exporter, Henan Ascend Machinery ensures that all products are securely mounted in sea containers with standard export-grade steel wire ropes and moisture-absorbent packaging. This mitigates oxidation damage during long journeys through tropical maritime routes.
Ascend has built an export and service footprint across more than 130 countries and regions worldwide, particularly in Africa and Southeast Asia. Our machinery reliability and localized after-sales support have earned high praise from global clients.
The 1200 Wet Pan Mill rarely operates in isolation; it is a vital cog in a complete, multi-stage mineral beneficiation flowsheet. To maximize output, mining engineers integrate the mill with coarse crushing systems (e.g., diesel or electric jaw crushers) to prepare the feed size. When processing run-of-mine (ROM) gold ore, the raw rock must first be reduced to below 20 mm. Introducing oversized stones directly into the wet pan mill increases mechanical stress, accelerates wear on the gear box teeth, and lowers grinding efficiency.
Once ground in the wet pan mill, the resulting slurry containing liberated gold particles is directed into gravity separators. Depending on the size distribution of the gold and the characteristics of the gangue minerals, operators implement downstream processing solutions:
In-depth look at our heavy-duty impact crushing technology designed for high-efficiency primary and secondary reduction.
As environmental regulations tighten globally, traditional mercury amalgamation plates commonly utilized with wet pan mills are being replaced. Progressive operators now pair wet pan mills with chemical-free gravity concentration systems, aligning with green mining initiatives. In parallel, manufacturer engineering continues to focus on material science advancements to extend the lifespans of contact components.
Our current technical roadmap focuses on three main engineering improvements:
Exporting heavy equipment globally requires more than manufacturing capabilities; it demands localized technical support and regulatory alignment. Ascend supports mine operators with pre-shipment assembly tests, customized layout designs, and installation guidance. Whether deploying a diesel-powered jaw crusher in a remote site in Tanzania or setting up a 1200 Wet Pan Mill in Papua New Guinea, our engineering team ensures the configuration matches local power supply and site requirements.
In regions with limited power grids, we customize packages with diesel engines or high-efficiency diesel generator sets to ensure stable, continuous operation. This practical approach is backed by our supply chain, which maintains stock of spare parts, drive belts, bearings, and gearboxes for rapid dispatch.
Operational photos and site deployments showing the worldwide reach of Ascend industrial setups.
Complete wet pan mill and centrifugal concentrator circuit processing gold quartz vein ores.
Operational deployment of dual-grinding pan systems processing high-grade run-of-mine gold ores.
Integrating jaw crushers with pan milling circuits to process abrasive copper and lead ore reserves.
Custom setups matching gravity separation shaking tables with primary ball mill discharge pipelines.
Multi-stage grinding using premium 1200 pan systems coupled with mineral flotation units.
Deployable skid-mounted crushing and pan milling units designed for remote greenfield gold operations.
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Henan Ascend Machinery & Equipment Co.,Ltd. was established in 2005 and is located in the high-tech zone of Zhengzhou City, Henan Province. For two decades, Ascend has committed to the research, development, manufacturing, sales, and after-sales service of complete sets of crushing, grinding, screening, feeding, and conveying heavy mining machinery.
Whether you need to crush hard limestone, granite, river gravel, or grind ores into micron-grade powders, our engineering team can provide professional layout advice. Because we operate our own state-of-the-art manufacturing facility, we guarantee strict quality control and competitive pricing.
Learn More About UsClear, direct answers addressing common technical queries, operational best practices, and procurement details.
For maximum efficiency and minimum wear on the gears, the raw ore feed size should be maintained below 20 mm. Introducing material larger than this causes excessive mechanical vibration, uneven wear on the grinding plates, and increases the start-up load on the electric motor. Pre-crushing the ore using a primary jaw crusher is highly recommended.
The operational lifespan of wear components is directly determined by the abrasiveness and hardness of the feed ore (e.g., quartz content). Under standard daily usage, high-manganese steel rollers (Mn13) last between 4 to 8 months. Regular inspection of the roller roundness and thickness is key to maintaining consistent grinding output.
The 1200 Wet Pan Mill is capable of producing extremely fine outputs, with particle sizes typically ranging between 100 and 200 mesh (0.15 mm to 0.074 mm). The actual discharge fineness is adjusted by modifying the water supply rate and the height of the overflow discharge ports along the outer rim of the pan.
Yes. For remote mining concessions lacking stable electricity grids, we construct customized diesel-driven transmission frameworks. The diesel engine is integrated with matching pulleys and gear shafts to drive the central vertical column safely, assuring steady speed regulation and operating torque.
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