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Equipment Spotlight: Automated Flow Control to the Vibrating Screen Feeder

Equipment Spotlight: Automated Flow Control to the Vibrating Screen Feeder

Equipment Spotlight: Automated Flow Control to the Vibrating Screen Feeder

September 9, 2026 by

Introducing Automated Flow Control for Vibrating Screen Feeders

J&H is taking vibrating screen feeder performance to the next level by integrating the benefits of our electromechanical modulating control valve with our static-body vibrating pan feeder.

Traditional first-generation screen feeders relied on manual deflectors at the inlet to adjust material flow and optimize distribution. Our latest solution provides local or remote control of material flow through an electrically actuated bucket valve.

The result? More consistent material distribution across the full width of the screening machine, helping improve screening efficiency and overall feeder performance.

This modulating flow control solution is especially valuable for plants with:

  • Restrictive feed chute geometry
  • Inadequate vertical chute height
  • A need for precise, adjustable material flow
  • Remote flow-control requirements

Experience the J&H advantage on your next project.

Contact a J&H representative to learn more, and watch the full animation to see the technology in action by clicking the following link

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Equipment Spotlight: J&H Riffle Screening Machine

September 2, 2026 by

More screening capacity—without taking up more space.

The J&H Riffle Vibrating Screening Machine is designed for high-tonnage applications where space is limited.

Its innovative riffle screen design increases the available screening area without increasing the equipment footprint. Feed material is evenly distributed and split across each deck, effectively doubling screening capacity while maximizing valuable floor space.

Watch the full animation to see how the J&H Riffle Screen works in action.
View the complete animation on YouTube click here or on the image below.

 

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Introducing the All-New J&H Low-Profile Distribution Feeder

August 26, 2026 by

The J&H Conveying Feeder is a low-profile solution for plants where vertical space is limited. Lower-frequency 900–1,200 RPM vibrator motors convey material along shallow-angle troughs while transforming a concentrated stream into a full-width, uniformly distributed bed of material.

Uniform distribution improves the efficiency, capacity, and wear life of downstream equipment, including:

  • Screening machines
  • Crushers
  • Lump breakers
  • Sorters
  • Other equipment requiring a controlled, evenly distributed feed

The inlet flange can be sized to match the upstream screen discharge, creating a compact connection with minimal vertical drop. Flexible connections accommodate feeder movement, while J&H-developed rubber buffers isolate vibration from the plant structure. Full-width covers provide convenient access for inspection and maintenance.

Key Advantages

  • Low-profile conveying for space-restricted layouts
  • Full-width, uniform material distribution
  • Improved downstream equipment utilization
  • Reduced uneven loading and concentrated wear
  • Isolated vibration and flexible connections
  • Application-specific sizes and configurations

The J&H Conveying Feeder is ideal for transferring oversized material from primary screens to crushers on the level below—and for any application where better feed distribution means better process performance.

To learn more click to view the the Low Profile Distribution Feeder brochure or here to view the full Low Profile Distribution Feeder video.

Better distribution. Better equipment utilization. Better output.

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J&H Lump Breaker

August 11, 2026 by

The J&H Lump Breaker is a compact machine designed with short, hardened tool steel teeth mounted on a rotating drum passing through an AR comb system.  The rotor is driven by a shaft mount speed reducer in conjunction with Mill & Chem motors ranging in power from 10 to 50hp, depending on breaker capacity.

Its purpose is to break lumps up to 400 mm in diameter down to 25 mm or less in order to prepare material for conveying or screening while using a minimal amount of power.  Its capacity can go up to 800 tph for a single rotor or 1500 tph for dual rotor units.

Lump Breaker

 

Experience the J&H advantage today by contacting a representative for your next project, and to learn more about the lump breaker please browse the brochure which can be opened here, or the equipment webpage which can be found here.

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J&H Heated Rotothrow Screening Machine

August 3, 2026 by

The Heated RotoThrow is optimal for screening moisture-laden products. Isolated low voltage is applied to the wire mesh. The resulting current generates heat throughout, leading to increased screening efficiency and throughput. Heating of the wire mesh removes moisture from product to reduce blinding. The increased wire temperature also aids with breaking and distribution of product clusters.

Characteristics and Advantages:

  • Simplistic, yet rugged design
  • Easy maintenance
  • Quiet and smooth operation
  • Minimal live load transferred to support structure
  • Reduced blinding and choking
  • Heats screen mesh and reduces moisture in product being screened

Experience the J&H advantage today by contacting a representative for your next project. To view the animation in its entirety click the following YouTube link or the image below.

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J&H Rotothrow Screening Machine

July 27, 2026 by

The J&H RotoThrow screening machine is a particle separator that generates an elliptical screening motion via a single unbalanced vibrator motor. The simple, yet robust design of the RotoThrow is an economical alternative to shaft-driven screeners while maintaining high screening efficiency and throughput. Ideal for various mineral, aggregate, energy, and recycling applications. All Rotothrow are offered with heated mesh capability.

Experience the J&H advantage today by contacting a representative for your next project. To view the animation in its entirety click the following YouTube link or the image below.

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Equipment Spotlight: J&H Double Deck Screening Machine

July 13, 2026 by

The J&H Double Deck Vibrating Screen is a static body, vibrating wire mesh screening machine designed for multiple size separations of material. The J&H Double Deck Screen achieves high screening efficiency with low power consumption and minimal maintenance. This screen is ideal for primary, product, polishing, and scalping applications of aggregates. To view the animation in its entirety click the following YouTube link or the image below.

 

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J&H Fertilizer Processing System

July 7, 2026 by

J&H Equipment, Inc. The industry leader in process screening solutions. See our complete fertilizer optimization package, incorporating bucket elevators, material splitters, feeders, screening machines, recycle control valves and pulerizers. J&H specializes in design, development, fabrication and plant operations with a focus on easy maintenance and efficiency.

Experience the J&H advantage today by contacting a representative for your next project. To view the animation in its entirety click the following YouTube link or the image below.

 

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Equipment Spotlight: J&H Multi-Feed Stream Splitter

May 3, 2024 by

The J&H Material Stream Splitter is a multi-discharge valve that uses divider blades to evenly distribute the flow of loose, dry material into two, three, four, five, or six independent streams. Divider blades are driven by actuators, available in rotary electromechanical or pneumatic. J&H Stream Splitters are custom engineered to meet application, tonnage, and plant geometry requirements. Stream splitters also provide the capability to shut off flow to a single chute. This innovative feature allows the end user to conduct downstream maintenance without pausing production of the entire plant.

Robust, solid-welded stream splitter casings are available in carbon steel, 304 stainless steel, or 316 stainless steel construction. For abrasive material applications, AR400 liners are available in wear zones. Full-width access doors are provided for ease of maintenance or cleanout.

Splitters are operated using a control box that allows for local control or DCS integration. IP65 limit switches for positional confirmation are available as required.

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Equipment Spotlight: J&H Multiport Rotary Valve

April 19, 2024 by

The J&H Multiport Rotary valve is the latest line of specialty valve designed to meet the needs of the material processing industries. The Multiport Rotary Valve uses a rotary mounted internal chute to direct dry granular product material from one feed inlet chute into one of several discharges arranged around the valve. J&H has multiport rotary valves for four to six discharges. All of these valves will operate exactly the same way, with the only difference being the number and position of the discharges programmed into the actuator controller.

J&H Multiport Rotary valves are designed for ease of operation and reliability. Electronic controller monitors the position and sends out digital and analog signals that can be observed from the control room. The robust design provides reliable service for years with minimum maintenance required. Built with a body of carbon steel, the valves are coated with a durable, industrial powder coat. Internal chutes are made of carbon or stainless steel. Feed and discharge port flanges designed to match customer chute work. All J&H diverters are built with large access doors to allow for easy access to the internal components and are designed for simplicity and ease of use.

 

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