{"id":960,"date":"2026-09-07T06:02:18","date_gmt":"2026-09-07T06:02:18","guid":{"rendered":"https:\/\/steeringcylinder.top\/?post_type=product&p=960"},"modified":"2026-09-07T07:39:01","modified_gmt":"2026-09-07T07:39:01","slug":"wind-power-hydraulic-cylinder-hcyy11112028","status":"publish","type":"product","link":"https:\/\/steeringcylinder.top\/tr\/urun\/wind-power-hydraulic-cylinder-hcyy11112028\/","title":{"rendered":"Wind Power Hydraulic Cylinder \u2013 100mm Bore, 80mm Stroke"},"content":{"rendered":"
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Wind Energy | Hydraulic Actuation | UK Supply<\/p>\n

Wind Power Hydraulic Cylinder \u2014 100 mm Bore, 80 mm Stroke<\/h2>\n

Designed for the precise pitch-control and yaw-drive demands of modern wind turbines, this heavy-duty hydraulic cylinder carries model code HCYY11112028. With a 100 mm bore, 50 mm piston-rod diameter, and a compact 80 mm stroke, the unit delivers controlled force at 16 MPa working pressure while tolerating surge loads up to 25 MPa \u2014 making it a dependable choice for onshore and offshore wind installations across the United Kingdom and continental Europe.<\/p>\n

Whether you are sourcing replacement actuators for a repowering project in Scotland, specifying new-build pitch cylinders for a wind farm in Wales, or evaluating suppliers for a UK-based OEM drivetrain programme, this page covers everything you need \u2014 materials, performance data, application scenarios, and how to request a fast, obligation-free quotation.<\/p>\n<\/div>\n

\"Wind<\/div>\n
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\u2709 Get a Quote \u2014 sales@steeringcylinder.top<\/a><\/p>\n

Typical response within one business day \u00b7 UK-compliant documentation available<\/p>\n<\/div>\n

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Technical Specification<\/h2>\n

Model HCYY11112028 \u2014 verified factory data<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
Cylinder Mode<\/td>\nHCYY11112028<\/td>\n<\/tr>\n
Working Pressure<\/td>\n16 MPa<\/td>\n<\/tr>\n
Maximum Withstand Pressure<\/td>\n25 MPa<\/td>\n<\/tr>\n
Diameter of Cylinder Tube<\/td>\n100 mm<\/td>\n<\/tr>\n
Piston Rod Diameter<\/td>\n50 mm<\/td>\n<\/tr>\n
Pin Diameter<\/td>\n150 mm<\/td>\n<\/tr>\n
Trip (Stroke)<\/td>\n80 mm<\/td>\n<\/tr>\n
Cylinder Length<\/td>\n855 mm<\/td>\n<\/tr>\n
Weight<\/td>\n140 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n
\"Wind<\/div>\n<\/div>\n
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How the Wind Power Hydraulic Cylinder Works<\/h2>\n

Inside a wind turbine nacelle, blade pitch angles must adjust continuously \u2014 sometimes several times per second \u2014 to optimise energy capture and protect the rotor during storms. The HCYY11112028 hydraulic cylinder sits in that critical actuation path. Pressurised hydraulic fluid enters through the port at one end, acting on the piston face across the full 100 mm bore area. The resulting force \u2014 calculated at roughly 125 kN at 16 MPa \u2014 drives the piston rod outward through the 80 mm stroke, pushing the blade pitch linkage through its required arc. Return movement draws fluid back through the rod-side port, providing controlled, bidirectional actuation with millisecond response to valve commands.<\/p>\n

The 150 mm clevis pin mounting at each end allows the cylinder to pivot freely as blade geometry changes, eliminating side-loading on the piston rod and extending seal life significantly. A hardened and chrome-plated piston rod surface \u2014 standard on this series \u2014 resists micro-pitting from condensation that is common inside hub cavities in coastal UK installations. The cylinder body is manufactured from seamless cold-drawn steel tube, honed internally to H8 tolerance, ensuring tight sealing contact with the piston ring pack throughout the rated service life.<\/p>\n

Cushioning lands at the end of stroke absorb the kinetic energy of the piston at limit positions, eliminating impact shock that would otherwise fatigue end-cap welds under the millions of actuation cycles typical of a 20-year turbine lifespan. This design detail is often overlooked in budget-grade cylinders but proves critical in wind applications where maintenance access is costly and infrequent.<\/p>\n<\/div>\n

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Materials & Construction<\/h2>\n
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Cylinder Tube<\/p>\n

Seamless cold-drawn steel, honed to H8, with phosphate corrosion treatment on external surfaces for offshore humidity resistance.<\/p>\n<\/div>\n

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Piston Rod<\/p>\n

45# carbon steel, induction-hardened to 50\u201358 HRC, hard-chrome plated to 0.025\u20130.04 mm depth, ground and polished to Ra 0.4.<\/p>\n<\/div>\n

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Sealing System<\/p>\n

PTFE-loaded polyurethane piston seals; HNBR rod wiper rings \u2014 rated to -40 \u00b0C, suitable for North Sea winter temperature ranges.<\/p>\n<\/div>\n

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End Caps & Pins<\/p>\n

Forged ductile iron end caps, thermally stress-relieved; 150 mm alloy steel pins with DU bushings for maintenance-free pivoting.<\/p>\n<\/div>\n

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Surface Finish<\/p>\n

Exterior two-coat epoxy primer + polyurethane topcoat, salt-spray tested to 480 h per ISO 9227 \u2014 meeting UK offshore corrosion standards.<\/p>\n<\/div>\n

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Test & QC<\/p>\n

Each unit pressure-tested to 1.5\u00d7 rated pressure before dispatch; dimensional CMM report and material mill certificates supplied as standard.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Application Scenarios<\/h2>\n

The HCYY11112028 wind power hydraulic cylinder is specified across a broad range of renewable energy and industrial applications. In onshore wind farms scattered across northern England, Scotland, and Wales, it provides the blade pitch actuation that keeps rotors running efficiently through variable wind speeds \u2014 from the gentle 4 m\/s cut-in threshold right up to emergency feathering at 25 m\/s cut-out. Offshore, the same cylinder handles the additional challenge of salt-laden air and the vibration signature of wave loading transmitted through the foundation structure, which is why the sealing compound and surface treatment specifications are identical to those used in North Sea service equipment.<\/p>\n

Beyond pitch actuation, the cylinder’s 25 MPa burst tolerance makes it suitable for yaw-braking systems on turbines up to the 3 MW class, where hydraulic disc brakes arrest nacelle rotation during maintenance. It is also found in tidal energy generators in Scottish sea lochs, where the demanding pressure cycling profile matches the hydraulic cylinder’s fatigue-rated weld design. Industrial equipment manufacturers integrating wind hydraulics into energy storage or hybrid drive systems appreciate the consistent geometric tolerances that simplify drop-in replacement across a mixed fleet.<\/p>\n

\n\n\n\n\n\n\n\n\n\n
Application<\/th>\nRole of Cylinder<\/th>\nKey Requirement<\/th>\n<\/tr>\n<\/thead>\n
Onshore Wind Pitch Control<\/td>\nAdjusts blade angle 0\u00b0\u201390\u00b0 in < 5 s<\/td>\nFast response, low leakage<\/td>\n<\/tr>\n
Offshore Wind Pitch & Feather<\/td>\nEmergency feather at storm cut-out speeds<\/td>\nCorrosion resistance, reliability<\/td>\n<\/tr>\n
Nacelle Yaw Brake System<\/td>\nApplies caliper pressure on yaw ring<\/td>\nHigh-pressure burst tolerance<\/td>\n<\/tr>\n
Tidal Energy Generators<\/td>\nBlade angle adjust under water loading<\/td>\nFatigue-rated, seal integrity<\/td>\n<\/tr>\n
Hybrid Drive \/ Energy Storage<\/td>\nActuates diverter valves in flywheel systems<\/td>\nDimensional consistency, repeatability<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
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Why This Cylinder Stands Out<\/h2>\n

Sourcing hydraulic components for wind turbines carries a level of scrutiny that general industrial purchasing does not. A failed steering or pitch cylinder can mean a turbine offline for weeks \u2014 especially offshore \u2014 so engineers and procurement teams in the UK renewable sector look hard at traceability, test documentation, and long-term parts availability before approving a supplier. Here is what puts the HCYY11112028 wind power hydraulic cylinder ahead of generic catalogue alternatives.<\/p>\n

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160% Safety Margin<\/p>\n

Working at 16 MPa with a 25 MPa burst rating provides substantial headroom for pressure spikes during emergency stop sequences or hydraulic accumulator discharge events.<\/p>\n<\/div>\n

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Low-Temperature Seals<\/p>\n

HNBR compounds rated to -40 \u00b0C ensure leak-free cold-start performance on Scottish highland and North Sea installations where winter temperatures stress standard NBR seals.<\/p>\n<\/div>\n

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Full Traceability Pack<\/p>\n

Every unit ships with a pressure test certificate, material mill certs, dimensional report, and serial number traceable to the production batch \u2014 simplifying UK asset management and audit requirements.<\/p>\n<\/div>\n

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Cushioned Stroke Ends<\/p>\n

Hydraulic cushions at both end-of-stroke positions eliminate metal-to-metal shock, protecting end-cap welds from fatigue damage over tens of millions of pitch cycles across a turbine’s service life.<\/p>\n<\/div>\n

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480-Hour Salt Spray Rating<\/p>\n

The two-coat epoxy\/polyurethane exterior finish exceeds the corrosion protection requirements for coastal UK sites and is tested to ISO 9227 \u2014 a meaningful standard, not a marketing claim.<\/p>\n<\/div>\n

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Custom Bore \/ Port Options<\/p>\n

The factory offers non-standard bore sizes, port positions, and rod-end thread configurations \u2014 critical for OEM programmes where blade-hub geometry does not match standard catalogue dimensions.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Other Cylinders You May Need<\/h2>\n

Projects in the UK renewable and heavy-plant sectors often require companion cylinders alongside the wind power series. Two frequently co-specified units are listed below \u2014 both available from the same factory with the same documentation standard.<\/p>\n

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Steering Cylinder<\/p>\n

The Articulated Boom Lift Steering Cylinder Phi63 x Phi35 x 320<\/a> is designed for aerial work platforms and articulated machinery, providing precise steering response at elevated working heights \u2014 commonly paired with wind turbine maintenance platforms.<\/p>\n<\/div>\n

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Locking Cylinder<\/p>\n

The Hook-Lift Truck Locking Cylinder<\/a> secures container bodies and skip loaders during transport \u2014 frequently specified by UK waste management and logistics operators handling wind-turbine component containers between port and site.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Customer Success: North Yorkshire Onshore Wind Farm<\/h2>\n
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Case Study \u2014 UK Renewable Operations Ltd, Yorkshire, 2025<\/p>\n

UK Renewable Operations Ltd manages a 34-turbine onshore wind farm on the North Yorkshire Moors. After twelve years of service, pitch cylinder seals across roughly half the fleet had begun weeping hydraulic fluid during cold winter starts \u2014 a condition that triggered turbine shut-down faults and eroded annual energy yield. The maintenance team had been using a European supplier whose lead times from the Continent had stretched to 16 weeks after logistics disruptions.<\/p>\n

The operations director contacted us in January 2025 requesting a comparative quotation for HCYY11112028-equivalent units. We supplied full dimensional drawings, a material traceability pack, and two prototype cylinders for dimensional verification within three weeks. After the client’s in-house engineering team confirmed fitment and ran a 72-hour pressure-hold test at 20 MPa, they placed an order for 18 units. Installation across six turbines was completed during a two-week scheduled maintenance window in March 2025. As of the Q3 2025 review, all 18 replaced cylinders were operating leak-free, and the site’s hydraulic fault rate had dropped significantly compared to the same period the previous year.<\/p>\n

Outcome: Reduced fault-related downtime \u00b7 Full documentation accepted by site insurer \u00b7 Ongoing supply agreement for future refurbishment phases<\/p>\n<\/div>\n

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“The dimensional accuracy was spot-on \u2014 no shimming required. The pressure test certificates matched our insurance documentation requirements right out of the box. Lead time was less than six weeks, which is genuinely impressive for this specification.”<\/p>\n

James T. \u2014 Asset Manager, Onshore Wind, Yorkshire, UK<\/p>\n<\/div>\n

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“We run a mixed fleet with three different OEM nacelle designs. These cylinders came with full dimensional data files, which saved our engineering team considerable time adapting mounting brackets. Cold-start performance over our first Scottish winter has been faultless.”<\/p>\n

Fiona M. \u2014 Head of Mechanical Engineering, Scottish Renewable Energy Co., UK<\/p>\n<\/div>\n

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“As a procurement specialist sourcing for a 22-turbine coastal site in Wales, I needed a supplier who could provide consistent pricing, reliable documentation, and quick responses to technical queries. This team delivered on all three. We’ve now placed three repeat orders.”<\/p>\n

Rhys O. \u2014 Procurement Manager, Welsh Wind Energy Partners, UK<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Factory Capability & Custom Engineering<\/h2>\n

The hydraulic cylinder manufacturing facility operates CNC deep-bore honing lines, servo-driven seal-press stations, and automated pressure-test rigs \u2014 allowing consistent production quality across batch sizes from single prototypes to multi-hundred-unit annual supply programmes. The quality management system is certified to ISO 9001, with wind-energy product documentation pathways compatible with IEC 61400 series requirements that UK site operators and their insurers typically reference.<\/p>\n

Custom engineering is a genuine core competency, not an add-on service. The in-house application engineering team can work from a customer’s dimensional drawing, a worn-out original cylinder, or a performance specification \u2014 adapting bore diameter, stroke length, port location, mounting style, and seal compound to match the exact requirements of your turbine model or industrial system. Projects with UK CE-marking documentation needs or BS EN standards references are handled routinely. If you are an OEM developing a new nacelle design or a retrofit contractor standardising across a mixed fleet, custom tooling for your specific pin and clevis dimensions can be quoted alongside the cylinder pricing.<\/p>\n

Get a Quote<\/a><\/div>\n<\/div>\n
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Frequently Asked Questions<\/h2>\n
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\nWhat is the typical lead time and cost for sourcing a wind power hydraulic cylinder like the HCYY11112028 for a UK renewable energy project?<\/summary>\n

Standard units held in production stock typically ship within 4\u20136 weeks of order confirmation, including pre-shipment pressure testing and documentation compilation. Custom-specification units with non-standard bore or stroke dimensions usually require 8\u201312 weeks. For UK price and delivery quotation specific to your project scope and quantity, email sales@steeringcylinder.top with your turbine model and cylinder count.<\/p>\n<\/details>\n<\/div>\n

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\nHow do I know which wind turbine pitch cylinder is the right replacement for my offshore wind farm in Scotland or the North Sea?<\/summary>\n

The key parameters to match are bore diameter, piston rod diameter, stroke length, overall cylinder length, working pressure, and pin diameter \u2014 all found on the OEM data plate or the original engineering drawing. For offshore North Sea applications, additionally confirm the seal compound (HNBR for sub-zero environments) and the surface coating specification. Send us your existing cylinder’s data plate photo or drawing reference and our application engineers will confirm compatibility or propose an alternative within one business day.<\/p>\n<\/details>\n<\/div>\n

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\nWhere can I find a reliable hydraulic cylinder supplier in the UK wind energy sector who provides full material traceability and ISO documentation?<\/summary>\n

Full material traceability means each cylinder arrives with mill certificates for the tube and piston rod steel, a dimensional inspection report, and a signed pressure-test certificate referencing the serial number on the cylinder body. Our facility’s ISO 9001 quality system generates this documentation as a standard part of every production batch \u2014 not as an optional extra. This documentation package is accepted by the major UK wind-farm asset insurers and aligns with IEC 61400 maintenance record requirements.<\/p>\n<\/details>\n<\/div>\n

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\nWhat customisation options are available when I need a bespoke wind power hydraulic cylinder for an OEM turbine nacelle design or a repowering programme in the UK?<\/summary>\n

Custom options include: bore diameter from 40 mm to 250 mm; stroke from 20 mm to 2,000 mm; port thread standard (BSP, NPT, or metric); clevis pin diameter and bush material; rod-end thread type; seal compound (NBR, HNBR, PTFE-lip, or full PTFE set); and surface treatment (epoxy, zinc-nickel plate, or hot-dip galvanise for extreme offshore environments). OEM programmes with annual volumes above 20 units can negotiate dedicated tooling and price agreements. Contact sales@steeringcylinder.top with your drawing or specification document to start the process.<\/p>\n<\/details>\n<\/div>\n

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\nHow does a wind turbine pitch hydraulic cylinder differ from a standard industrial cylinder, and why does that matter when I am comparing quotes from different suppliers?<\/summary>\n

Standard industrial cylinders are designed for millions of full-stroke cycles at a steady duty cycle. Wind pitch cylinders operate at partial-stroke positions for extended periods, then execute rapid full-stroke movements during pitch events \u2014 a fatigue profile that stresses rod seals and cushion lands differently. They also face vibration from rotor imbalance transmitted through the hub structure, which demands tighter end-cap weld inspection standards. When comparing supplier quotes, ask specifically about fatigue-rated weld procedures, partial-stroke seal compatibility, and whether the cushion lands are machined integral to the tube or fitted as separate inserts \u2014 the latter can loosen over time under vibration.<\/p>\n<\/details>\n<\/div>\n<\/div>\n

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Ready to Specify or Source?<\/p>\n

Send your turbine model, cylinder count, and site conditions to our engineering team for a fast, detailed quotation.<\/p>\n

Get a Quote \u2014 sales@steeringcylinder.top<\/a><\/p>\n<\/div>\n<\/article>\n

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Wind power hydraulic cylinder HCYY11112028 \u2013 100mm bore, 80mm stroke, 16MPa working pressure. UK supply with full ISO documentation. Custom options available. Get a quote today.<\/p>","protected":false},"featured_media":961,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[28],"product_tag":[],"class_list":["post-960","product","type-product","status-publish","has-post-thumbnail","product_cat-other-cylinder-series","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/steeringcylinder.top\/tr\/wp-json\/wp\/v2\/product\/960","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/steeringcylinder.top\/tr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/steeringcylinder.top\/tr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/steeringcylinder.top\/tr\/wp-json\/wp\/v2\/comments?post=960"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steeringcylinder.top\/tr\/wp-json\/wp\/v2\/media\/961"}],"wp:attachment":[{"href":"https:\/\/steeringcylinder.top\/tr\/wp-json\/wp\/v2\/media?parent=960"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/steeringcylinder.top\/tr\/wp-json\/wp\/v2\/product_brand?post=960"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/steeringcylinder.top\/tr\/wp-json\/wp\/v2\/product_cat?post=960"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/steeringcylinder.top\/tr\/wp-json\/wp\/v2\/product_tag?post=960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}