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Key Features
Description
The FH-series rotating pulveriser is built to do two jobs with one attachment: controlled demolition at height and material reduction on the ground. In aerial work, the long, narrow jaw profile lets an operator “bite” into structural elements, progressively breaking them down while keeping the load close to the machine for stability. Once material is down, the same tool can be used as a recycler—closing the jaws to crush and reduce bulky debris into manageable fractions, helping keep a site flowing without constantly swapping attachments.
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Sales Manager
I joined Approved Hydraulics in November 2014 at the age of 18, starting as a Stores Apprentice with responsibility for stock control, goods management, and purchasing support. This role gave me a strong grounding in our products, processes, and the operational side of the business.In 2017, I transitioned into a full-time sales position and have been actively involved in day-to-day sales activities ever since, supporting customers, managing enquiries, and developing product and commercial knowledge across our range.In 2025, I was promoted to Sales Manager. In this role, I lead a team of six sales colleagues and oversee the daily operations of the sales function, ensuring customer enquiries are handled efficiently, service standards are maintained, and the team continues to deliver consistent results and strong customer relationships.
FH Series Pulveriser
Its core is a compact but heavy-duty body designed to take repeated shock loads. The main frame is made from Hardox 450 wear-resistant steel, chosen for durability where the attachment is constantly rubbing, impacting, and grinding against abrasive rubble. Working edges are service-focused: the crushing teeth are interchangeable, so the wear parts that take the punishment can be replaced without rebuilding the whole jaw. On larger sizes, the cutting/blade areas are also sized up to match the increased crushing envelope, keeping performance consistent as the attachment scales.
Hydraulically, it’s engineered for control and cycle speed. Continuous 360° hydraulic rotation allows the operator to present the jaws at the best angle without repositioning the excavator, which matters when “peeling” material from a structure or separating pieces cleanly on the ground. High clamping (compressive) force concentrates power at the jaw tips, turning hydraulic pressure into crushing energy. The cylinder is mounted inverted and kept well-protected within the attachment’s structure—an important detail on demolition sites, where exposed components are vulnerable to impacts and falling debris. A “Speed Valve” feature (standard on certain models and optional on others) is aimed at faster opening/closing response to improve productivity in repetitive crushing cycles.
In practical terms, the range covers everything from compact carriers to very large excavators. Across eight models, attachment weights span roughly 650 kg up to about 8,000 kg, matched to excavators from roughly 6 to 110 tonnes—so the same basic concept can be applied on small urban jobs or heavy demolition projects. Typical excavator working pressures are in the 300–350 bar range (model-dependent), with rotation handled on a separate hydraulic circuit. The result is an attachment that’s optimised for high-duty crushing with reduced downtime: wear parts are designed to be swapped, the main structure is abrasion-resistant, and the most damage-prone hydraulic actuator is shielded—features that matter when the tool is expected to live in concrete, metal, and mixed demolition debris day after day.
Main Features
Approved Hydraulics provides warranty coverage against defects in materials and workmanship under normal use for the periods below, subject to the conditions in this policy.
A. Two-year warranty (24 months)
A 2-year warranty applies to selected products or product lines as stated on the quotation, order acknowledgement, invoice, product datasheet, packaging or website.
B. One-year warranty (12 months) – conditional
A 1-year warranty applies to products not covered by the 2-year warranty, and/or to certain items where coverage is subject to conditions such as correct installation, commissioning, maintenance, and use (see Section 5).
Important: The warranty period that applies to a specific item is the one explicitly stated on the sales documentation or product literature for that item.
For full details visit our warranty page here
For all stock items and goods not requiring production.
Next Working Day Delivery (UK Mainland)
For full details view our shipping page here
Our policy lasts 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund or exchange.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.
There are certain situations where only partial refunds are granted (if applicable)
Any item not in its original condition, is damaged or missing parts for reasons not due to our error
Any item that is returned more than 30 days after delivery
As a leading UK supplier of hydraulic equipment, attachments, and components, we support a diverse range of industries. Our products are trusted in demanding environments where performance, reliability, and expert support are essential.
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Forestry
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Material Handling
Best practices for keeping your hydraulic system running efficiently.
How do you check oil condition?
Visual inspection for discoloration, foaming, or particles Lab analysis provides a detailed breakdown of contamination, viscosity, acidity, and wear metals This helps determine oil life and potential system issues.
How do you dispose of hydraulic oil?
Collect used oil in approved containers Take it to a licensed waste oil recycling or disposal facility Never pour it into drains or the environment — it’s illegal and harmful.
How do you prevent contamination?
Use sealed containers and clean tools Always clean hose ends and fittings before connecting Install high-quality filtration on return lines and reservoirs Avoid opening the system unnecessarily
How do you store hydraulic hoses?
In a clean, dry, and cool environment Away from direct sunlight, heat sources, and ozone-producing equipment Preferably stored horizontally on racks to prevent kinking or deformation
How often should filters be changed?
At regular service intervals or when a clogging indicator signals high restriction. It’s best to change filters before they reach full capacity to avoid bypassing dirty fluid.
How often should hydraulic oil be changed?
Typically every 2,000 operating hours, or as recommended by the equipment manufacturer. Factors like system cleanliness, load, and temperature can influence intervals. Always verify with oil analysis if unsure.
What is a breather cap?
A breather cap allows air to enter or exit the reservoir as fluid levels change, without letting contaminants in. Some include filters to trap airborne particles or moisture.
What is preventive maintenance in hydraulics?
Scheduled checks and service tasks (e.g., inspecting hoses, changing filters, checking oil) to prevent unexpected failures, extend system life, and reduce downtime.
What tools are used in hydraulic diagnostics?
Pressure gauges to check line pressure Flow meters to measure flow rate Infrared thermometers or thermal cameras to detect hotspots Ultrasonic leak detectors to find air or fluid leaks Test kits for oil sampling
Why should systems be flushed?
Flushing removes contaminants like metal shavings, dirt, or water — especially important after repairs, system assembly, or oil changes. It helps prevent premature wear and failures.
