Explore our core industrial heavy crushing machinery, manufactured to global aggregate standards and certified for heavy mining deployment.
Reliable secondary and tertiary cone crushing technology designed for processing harder ores and abrasive aggregates.
Optimum sized-reduction systems featuring dual-roller compression, perfect for sticky materials and coal aggregates.
Heavy duty single-stage reduction hammer mills designed to handle mid-hard materials with direct-impact technology.
Mobile solution optimized for high-recovery gold extraction from placer deposits and alluvial river sand.
Advanced magnetic separator solutions for upgrading iron ore grades and purifying industrial minerals.
Efficient secondary grinding combined with specialized physical gold amalgamation for maximum yield rates.
High-G-force centrifugal gravity gold concentration technology optimized for fine particle recovery.
Versatile double-roll setup offering precise product size control and minimal dust generation.
When it comes to processing medium to high-hardness geological compounds, the PEX 250x750 jaw crusher is recognized globally as the workhorse of secondary and fine-crushing applications. Unlike its primary crushing counterparts (such as the PE series, which handle larger boulders), the PEX design focuses on producing a smaller, more uniform output size. Its rectangular feed opening, measuring 250mm by 750mm, makes it uniquely suited for long, flat materials or pre-crushed rocks that require secondary reduction before entering a ball mill, vertical shaft impactor (VSI), or fine screen.
Operating via a dual-jaw system where a dynamic movable jaw swings relative to a static fixed jaw, the PEX 250x750 exerts powerful compressive forces. Driven by an eccentric shaft rotated by heavy flywheels and a premium motor, the kinematics of this crusher are optimized to prevent blockages, minimize localized friction, and maintain a consistent crushing cavity pressure. The toggle plate acts as a simple mechanical fuse, protecting the mainframe from fatal overload forces when uncrushable materials, such as tramp iron, enter the crushing chamber.
| Technical Parameter | Standard Rating / Capacity Value |
|---|---|
| Feed Opening Size (W x L) | 250 mm × 750 mm |
| Maximum Permissible Feed Size | ≤ 210 mm |
| Discharge Adjustment Range (CSS) | 25 mm - 60 mm |
| Processing / Throughput Capacity | 15 - 52 Metric Tons per Hour (t/h) |
| Eccentric Shaft Rotation Speed | 330 Revolutions Per Minute (r/min) |
| Required Motor Power | 15 kW (Electric) or Equivalent Diesel Output |
| Total Operating Mass (Weight) | Approx. 4.9 - 5.5 Metric Tons (config-dependent) |
| Material Compressive Strength Limit | Up to 320 MPa (Hard granite, basalt, quartz) |
Why sourcing your PEX 250x750 from Zhengzhou, China, ensures the perfect balance of engineering excellence and budget optimization.
Our proximity to major Chinese steel clusters allows us to source premium structural manganese alloys (Mn13Cr2 and Mn18Cr2) directly, eliminating secondary brokerage costs. This directly translates to lower base production prices for our wholesale clients.
By employing robotic arc welding stations and high-precision CNC boring machines, Ascend guarantees that the housing and eccentric shaft alignments of each PEX 250x750 match precise tolerance levels within 0.02mm, preventing runtime vibrations.
Based in the high-tech zone of Zhengzhou, China, we leverage central Chinese rail hubs and Qingdao/Tianjin maritime ports. We guarantee rapid dispatch, transparent shipping timelines, and custom-packaged marine freight protection.
Discover how the PEX 250x750 jaw crusher operates under various demanding geological and regional environments around the globe.
In small and medium-scale gold recovery plants across Africa, gold-bearing quartz veins must be crushed before entering a wet pan mill or ball mill. The PEX 250x750 receives 150-200mm quartz chunks and reduces them to a highly uniform 25-30mm output. Because raw gold mining locations are frequently situated off-grid, we specialize in supplying diesel engine powerpacks, allowing miners to operate completely independent of regional electricity networks.
Infrastructure demands in emerging economies such as Indonesia, the Philippines, and Vietnam call for high-density, cubic concrete aggregates. River pebbles and basalt pose an extreme challenge to low-grade jaw plates. The Ascend PEX 250x750 employs ultra-high manganese jaw plates backed by heavy-duty zinc alloy toggle plates, offering prolonged wear-life when processing highly abrasive materials.
As environmental regulations tighten and labor costs rise, the mineral processing sector is shifting toward smart, automated machinery. Ascend's engineers are pioneering the integration of IoT diagnostic sensors on our signature jaw crushers. In the future, every PEX 250x750 will come with an optional smart sensor suite that monitors bearing temperatures and structural vibration anomalies. This prevents unexpected wear, allowing plant operators to run predictive maintenance protocols before a critical failure occurs.
In addition to smart diagnostic integrations, we are optimizing the thermodynamic footprint of our diesel drives. Our upcoming dual-power hybrid modules will allow seamless transitions between diesel and electric power configurations depending on immediate site availability, achieving up to 15% reduction in fuel consumption per ton of processed material.
Ascend has developed steadily since its establishment. Its business covers more than 130 countries and regions around the world, especially in Africa and Southeast Asia. Our machinery quality and after-sales service have won widespread praise from international customers.
Custom structural engineering pathways incorporating secondary jaw crushers, gravity tables, and high-recovery centrifugal systems.
Heavy duty systems designed for crushing high-tensile basalt, granite, limestone, and hard quartz aggregates efficiently.
Fully integrated flowsheets linking primary jaw stations to secondary PEX series mills for comprehensive size reduction.
Skid-mounted and wheeled mobile chassis solutions designed to rapidly deploy PEX 250x750 modules directly at the pit face.
Impact crusher is a kind of secondary crushing equipment which uses impact power to crush materials. Impact crusher is characterized by easy maintenance, high reduction ratios and high efficiency to produce precisely cubic shape products. It is designed with three crushing chambers, seamlessly connected rotor, wear-resistant blow bar and installation of insert type. Moreover, it has tooth type liner, gradient designed bearing seat, frame with several openings and screws or hydraulic start-up devices. Impact crushers can be used in all different stages of size reduction from primary crushing to the last step of the crushing process.
Operational photos and field highlights from our global client deployments in active quarries and mining sectors.
Stay updated with our manufacturing milestones, international logistics dispatches, and heavy equipment delivery tracking.
Deploying diesel-configured small jaw crushers to handle remote gold quartz crushing operations across goldfields in PNG.
Optimizing fine placer gold mining setups for our municipal partners in Southern African gold corridors.
Henan Ascend Machinery & Equipment Co.,Ltd. was established in 2005 and it is located in the high-tech zone of Zhengzhou City, Henan Province.
Ascend is mainly engaged in the research and development, manufacturing, sales and after-sales service of complete sets of crushing, grinding, screening, feeding and conveying heavy mining machinery. If you need to crush limestone, granite, gravel or other stone, or grinding them into powder, or extract gold, please feel free to contact us. Just tell us your needs and our engineers can provide you with professional advice. And we have our own factory, the quality of the machine is guaranteed, the price is more advantageous. We believe that we will be your good choice.
In-depth, professional answers to help procurement managers and mining engineers make informed purchase decisions.
The total cost of a PEX 250x750 jaw crusher depends on the motor package (Siemens or custom Chinese brand vs. diesel engine configuration), the alloy composition of the jaw plates (standard Mn13 versus heavy duty Mn18Cr2 for hard basalt), and the mounting configuration (fixed structural steel frame vs. mobile skid-mounted assembly). Contact our factory office to receive an itemized, updated price table.
For mid-hard stone like limestone, premium manganese jaw plates can last between 1,200 to 1,500 continuous running hours. However, when processing highly abrasive materials like river stones, granite, or gold quartz, the service life ranges between 600 to 900 hours. Proper adjustment of the closed side setting (CSS) and regular inspection of plate tightening bolts will maximize plate lifecycle.
Because the jaw crusher operates through mechanical compression, clay or high-moisture materials (above 8% moisture content) can accumulate in the lower portion of the crushing chamber, resulting in bridging or blockages. We recommend installing an upstream grizzly screen or wet washing trommel to bypass fine soil before feeding the crusher.
For static industrial quarry sites, we recommend securing the PEX 250x750 onto a reinforced concrete foundation block designed to damp vibrations. For transient mineral extraction sites, we can provide heavy-duty structural steel skid mounts that eliminate the need for permanent concrete pouring, enabling rapid relocations.
We work closely with major logistics providers to deliver machines to port cities worldwide under standard incoterms (FOB, CIF, CFR, DDP). All heavy mechanical components are treated with rust preventative compounds, wrapped in heavy protective plastics, and secured inside ocean containers using industrial steel cables to prevent shifting during maritime transit.
Explore the remainder of our high-quality processing products, ideal for structural scaling and complete plant integrations.
Precise thermal processing units for purification of precious metals directly at refinery stations.
Chassis-mounted hammer mills equipped with diesel engines for off-grid operations.
Heavy-duty drum screen systems designed for precise particle classification and aggregate washing.
Efficient vertical shaft and compound crusher systems producing high-quality manufactured sand.
Traditional high-reliability mechanical spring cone crushers suited for secondary aggregate reductions.
Thermal industrial dryers designed to strip moisture from mineral concentrates and aggregates.
High manganese and chrome replacement cast parts designed to maximize crusher operational runtimes.
Heavy duty gold grinding systems optimizing recovery through mechanical wet milling friction.
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