{"id":1725,"date":"2026-09-11T05:34:45","date_gmt":"2026-09-11T05:34:45","guid":{"rendered":"https:\/\/boom-cylinders.com\/?p=1725"},"modified":"2026-09-11T09:25:09","modified_gmt":"2026-09-11T09:25:09","slug":"how-are-boom-cylinders-tested-before-shipping-pressure-test-explained","status":"publish","type":"post","link":"https:\/\/boom-cylinders.com\/ja\/application\/how-are-boom-cylinders-tested-before-shipping-pressure-test-explained\/","title":{"rendered":"How Are Boom Cylinders Tested Before Shipping? Pressure Test Explained"},"content":{"rendered":"
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Ever Power | Boom Cylinders<\/p>\n

How Are Boom Cylinders Tested Before Shipping? Pressure Test Explained<\/h2>\n

A transparent look at the rigorous quality verification process every hydraulic cylinder undergoes at Ever Power before it leaves the factory floor \u2014 so you can deploy with confidence.<\/p>\n

UK Market<\/span>
\nPressure Testing<\/span>
\nHydraulic Cylinders<\/span><\/div>\n<\/div>\n

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\"Hydraulic<\/p>\n

When a hydraulic boom cylinder is fitted to an excavator working a Birmingham quarry site, a Sheffield steel-handling crane, or a Bristol harbour dredger, failure is simply not an option. The forces involved are enormous \u2014 pressures routinely exceed 300 bar, loads span dozens of tonnes, and the operating environment can swing between freezing January mornings and the heat of a steel furnace shed. In that context, what happens inside the factory before shipping matters just as much as the design of the cylinder itself.<\/p>\n

Buyers across the UK manufacturing and construction sectors are increasingly asking the right question: how, exactly, is a boom cylinder validated before it reaches the job site? The answer lies in a structured, multi-stage pressure testing protocol that every cylinder produced by Ever Power must pass. This article walks through that process in genuine technical depth \u2014 covering what is tested, at what pressures, why certain sequences matter, and what the results mean for product longevity and safety in the field.<\/p>\n<\/div>\n

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\u898b\u7a4d\u3082\u308a\u3092\u4f9d\u983c\u3059\u308b \u2014 sales@boom-cylinders.com<\/a><\/div>\n

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What Exactly Is a Hydraulic Cylinder Pressure Test?<\/h2>\n

\"BoomA pressure test \u2014 sometimes called a hydrostatic test or proof test \u2014 is a quality assurance procedure in which a completed hydraulic cylinder is subjected to controlled internal fluid pressure that exceeds its rated working pressure by a defined margin. The cylinder is charged with hydraulic fluid or water-based fluid, pressurised to the test level using calibrated pumps and gauges, and held at that pressure for a set duration while technicians monitor for leakage, deformation, or pressure drop.<\/p>\n

The underlying logic is straightforward: if a cylinder can withstand 1.5 times its rated working pressure \u2014 a common industry multiplier \u2014 without any measurable degradation in its structural integrity or seal performance, then operating at normal working pressure provides a meaningful safety buffer. For boom cylinders in particular, where a single structural failure can result in a collapse of tonnes of material or machinery, this buffer is not a luxury \u2014 it is a regulatory and engineering necessity. UK purchasers supplying equipment to construction sites under PSSR 2000 (Pressure Systems Safety Regulations) need documented evidence that this testing has been conducted correctly.<\/p>\n

The test is not a single event but a sequence of related checks, each targeting a different failure mode. Seal integrity, barrel wall strength, port thread soundness, and end cap weld quality are all evaluated at distinct stages. Understanding how that sequence unfolds gives procurement engineers a far clearer picture of what a “passed pressure test” certificate actually guarantees.<\/p>\n<\/div>\n

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\"Ever<\/div>\n

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Pre-Test Preparation: Cleaning, Assembly Verification, and Fluid Selection<\/h2>\n

Before any pressure is applied, the cylinder must be in a verifiably clean and correctly assembled state. Contamination inside a hydraulic cylinder is one of the leading causes of premature seal failure and internal scoring, so the cleaning stage is treated as a non-negotiable checkpoint at Ever Power’s manufacturing facility. Barrel bores are flushed using filtered hydraulic oil to remove machining swarf, burrs, or particulate matter. Cleanliness is measured using ISO 4406 particle count standards, with counts logged against the specific cylinder’s serial record.<\/p>\n

Assembly verification follows. A trained inspector checks torque values on all end cap fasteners against the engineering drawing specification, confirms piston seal orientation (a reversed seal will pass a static test but fail dynamically), and checks that the rod bearing is correctly seated with no tilt. Thread engagement depth at port fittings is measured with a thread gauge \u2014 insufficient engagement is a common failure point that can blow out under test pressure if missed.<\/p>\n

Fluid selection for the test itself matters more than many buyers realise. Water-glycol mixtures are sometimes used for fire safety in test rigs, but they carry corrosion risks if any residual moisture is left in the cylinder. At Ever Power, the default test medium is filtered mineral hydraulic oil \u2014 the same class of fluid the cylinder will use in service \u2014 which eliminates compatibility concerns and leaves the cylinder in a ready-to-ship state without requiring a separate flush cycle.<\/p>\n<\/div>\n

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The Three-Stage Pressure Test Protocol<\/h2>\n
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1<\/span><\/div>\n

Static Proof Pressure Test<\/h3>\n

The cylinder is fully extended and pressurised to 1.5\u00d7 the rated working pressure (for example, 450 bar for a 300-bar-rated cylinder). Pressure is held for a minimum of 60 seconds with no pump input. Any drop in gauge reading indicates internal leakage past the piston seal or an external leak at ports, weld seams, or end cap joints. The entire external surface is inspected visually and with a UV dye if required. No visible seepage is permitted \u2014 even a damp patch at a port is a fail.<\/p>\n<\/div>\n

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Dynamic Cycling Leakage Test<\/h3>\n

The cylinder is cycled through full stroke \u2014 extend and retract \u2014 a minimum of five times at rated working pressure. This dynamic phase reveals seal failures that only appear when the piston and rod seals are moving under pressure, particularly around the rod wiper seal and guide bush interface. Rod surface finish is re-inspected after cycling for any signs of scoring or polishing that might indicate a pre-existing surface defect. Dynamic leakage is measured in ml\/min and compared against allowable limits defined in the relevant ISO 6020 standard.<\/p>\n<\/div>\n

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End-of-Stroke Cushion and Back-Pressure Test<\/h3>\n

Cylinders equipped with internal cushioning \u2014 which is standard on heavy boom applications \u2014 are tested for cushion function at the end of each stroke. The cushion check valve is verified for correct cracking pressure, and the adjustable cushion needle is cycled through its full range to confirm no flow restriction outside of design parameters. A back-pressure test applies pressure from the rod side of the cylinder while the cap end port is restricted \u2014 confirming rod seal integrity under reverse load, which mimics the load conditions experienced on boom retraction in excavator and crane applications.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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\"Boom
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Boom Cylinder Test Parameters and Performance Specifications<\/h2>\n

The table below outlines the standard test and performance parameters applied across Ever Power’s boom cylinder range. Custom-built cylinders for specific machine models \u2014 including non-standard bore sizes requested by OEMs in Birmingham or Aberdeen \u2014 are tested to the same protocol, with test pressure scaled to the agreed rated working pressure of that specific unit. All figures comply with ISO 6020-2 and BS EN ISO 16030 requirements relevant to industrial hydraulic cylinder manufacture and certification.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nStandard Range<\/th>\nCustom \/ Heavy-Duty Range<\/th>\nTest Standard<\/th>\n<\/tr>\n<\/thead>\n
Bore Diameter<\/td>\n50 mm \u2013 200 mm<\/td>\n200 mm \u2013 500 mm<\/td>\nISO 6020-2<\/td>\n<\/tr>\n
Rated Working Pressure<\/td>\n160 \u2013 300 bar<\/td>\n300 \u2013 420 bar<\/td>\nBS EN ISO 16030<\/td>\n<\/tr>\n
Proof Test Pressure (static)<\/td>\n1.5\u00d7 rated (240 \u2013 450 bar)<\/td>\n1.5\u00d7 rated (up to 630 bar)<\/td>\nISO 10100<\/td>\n<\/tr>\n
Static Hold Duration<\/td>\n60 seconds minimum<\/td>\n120 seconds minimum<\/td>\nISO 10100<\/td>\n<\/tr>\n
Dynamic Test Cycles<\/td>\n5 full strokes at rated pressure<\/td>\n10 full strokes at rated pressure<\/td>\nISO 6020-2<\/td>\n<\/tr>\n
Allowable External Leakage<\/td>\nZero visible seepage<\/td>\nZero visible seepage<\/td>\nISO 6020-2<\/td>\n<\/tr>\n
Rod Diameter Range<\/td>\n35 mm \u2013 160 mm<\/td>\n160 mm \u2013 380 mm<\/td>\nISO 6020-2<\/td>\n<\/tr>\n
Rod Surface Hardness (chrome)<\/td>\n850 \u2013 1000 HV<\/td>\n850 \u2013 1100 HV<\/td>\nASTM B177<\/td>\n<\/tr>\n
Seal Material<\/td>\nNBR \/ PU standard<\/td>\nFKM \/ PTFE-lined optional<\/td>\nDIN 51524<\/td>\n<\/tr>\n
Operating Temperature Range<\/td>\n-20\u00b0C to +80\u00b0C<\/td>\n-40\u00b0C to +120\u00b0C (FKM seals)<\/td>\nISO 23309<\/td>\n<\/tr>\n
Stroke Length (standard)<\/td>\n100 mm \u2013 3,000 mm<\/td>\nUp to 6,000 mm<\/td>\nCustom to drawing<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

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Why Material Selection Directly Affects Pressure Test Outcomes<\/h2>\n

A hydraulic boom cylinder can only pass a rigorous pressure test if its constituent materials are fit for the duty cycle. The choice of barrel steel, rod steel, and seal compounds are not incidental \u2014 they determine whether the cylinder survives the proof test, and by extension, whether it survives the years of service that follow. At Ever Power, barrel tubes are manufactured from seamless cold-drawn steel to DIN 2391 standard, with a minimum yield strength of 560 MPa. Cold-drawing eliminates the axial weld seams present in welded tube, removing the principal failure initiation point that causes burst failures under high cyclic loading.<\/p>\n

Piston rods are produced from EN 10083 grade 42CrMo4 steel \u2014 a chromium-molybdenum alloy that offers excellent fatigue resistance alongside a high tensile strength typically in the range of 900\u20131100 MPa after heat treatment. The chrome plating applied to the rod surface is not simply cosmetic: hard chrome to a thickness of 25\u201340 micrometres provides the corrosion resistance essential for outdoor applications on UK construction sites, along with a surface hardness that protects seal lips from abrasive damage during rod retraction.<\/p>\n

Seal selection follows application analysis. Standard NBR (nitrile rubber) seals perform well in mineral oil environments up to 80\u00b0C, but for boom cylinders operating in steel-mill environments or adjacent to high-temperature processes \u2014 common in Sheffield and Scunthorpe plant environments \u2014 FKM (Viton) seals are specified. PTFE-backed guide rings reduce stick-slip behaviour and extend seal life significantly in slow-stroke, high-load applications such as press booms and forming machine actuators.<\/p>\n<\/div>\n

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Related Products from Our Cylinder Range<\/h2>\n
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Featured Product<\/div>\n
\u6cb9\u5727\u5f0f\u56de\u8ee2\u30a2\u30af\u30c1\u30e5\u30a8\u30fc\u30bf\u30b9\u30c6\u30a2\u30ea\u30f3\u30b0\u30b7\u30ea\u30f3\u30c0\u30fc<\/div>\n

Compact rotary design for steering and articulation applications. Every unit pressure-tested to 1.5\u00d7 rated working pressure before despatch.<\/p>\n

View Product \u2192<\/span><\/p>\n

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Featured Product<\/div>\n
Double-Acting Forklift Tilt Cylinder<\/div>\n

High-cycle forklift tilt cylinder with dynamic seal leakage tested across full stroke before shipping. Suitable for warehouse and industrial logistics environments across the UK.<\/p>\n

View Product \u2192<\/span><\/p>\n<\/div>\n<\/div>\n

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Industrial Application Scenarios Where Pressure Test Certification Matters<\/h2>\n
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Construction and Excavation \u2014 Birmingham and West Midlands<\/h3>\n

Large-scale earthmoving projects across Birmingham’s ongoing regeneration schemes require excavator boom cylinders rated to 300+ bar. Proof-test documentation is increasingly required by main contractors as part of plant acceptance. Cylinders without traceable test records can result in plant being taken off site by HSE inspectors.<\/p>\n<\/div>\n

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Steel and Metal Processing \u2014 Sheffield and Rotherham<\/h3>\n

Hydraulic cylinders used in billet handling, press feed, and melt shop operations in South Yorkshire’s steel belt face extreme thermal cycling and vibration. Dynamic cycling tests at rated pressure confirm that seals maintain integrity under conditions that would cause standard-grade cylinders to weep and contaminate melt troughs with oil \u2014 a costly production shutdown risk.<\/p>\n<\/div>\n

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Marine and Port Handling \u2014 Bristol and Southampton<\/h3>\n

Port crane boom cylinders operating in tidal salt-air environments at Bristol’s Avonmouth docks or Southampton Container Terminal demand both corrosion resistance and documented pressure integrity. Marine classification societies including Lloyd’s Register may specify minimum pressure test protocols as a condition of class certification for port handling equipment \u2014 making formal test records a commercial necessity, not just good practice.<\/p>\n<\/div>\n

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Automotive Stamping and Press Lines \u2014 Coventry and Sunderland<\/h3>\n

Body-in-white stamping presses in UK automotive plants operate at extremely high cycle rates \u2014 often 8 to 15 strokes per minute. Boom cylinders driving upper bolsters are subjected to continuous dynamic loading over three-shift production cycles. End-of-stroke cushion testing ensures deceleration is correctly tuned to prevent impact loads that would otherwise reduce tool life and generate the structural fatigue that makes high-cycle dynamic test data so relevant to plant engineers.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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What a Proper Pressure Test Certificate Should Contain<\/h2>\n

Receiving a test certificate labelled “passed hydraulic test” tells you almost nothing unless it contains specific recorded data. Procurement engineers and service engineers in the UK dealing with warranty claims or insurance investigations need proper documentation \u2014 and a reputable supplier should provide it without being asked. At Ever Power, the test report issued with every \u30d6\u30fc\u30e0\u30b7\u30ea\u30f3\u30c0\u30fc<\/a> contains the cylinder serial number, bore and rod dimensions, rated working pressure, the actual test pressure applied, gauge serial number (with calibration date and traceability to UKAS-accredited standards), and the duration of the static hold.<\/p>\n

Dynamic cycle counts and the name of the technician who performed the test are included, along with the date of testing and the batch number of the seal kit installed. If UV dye was used during the external leakage inspection, this is noted. Back-pressure test results \u2014 rod seal pass\/fail \u2014 are documented separately from the main proof test. For cylinders destined for PSSR 2000-regulated pressure systems, Ever Power can provide a Declaration of Conformity cross-referencing the specific test parameters against the relevant sections of the regulation.<\/p>\n

Calibration traceability is not a paperwork formality. Pressure gauges drift over time \u2014 a gauge that reads 450 bar on a worn bourdon tube may be delivering 390 bar in reality, meaning the cylinder was never actually tested at the specified proof pressure. Ever Power’s test rigs use digital pressure transducers calibrated every six months against deadweight tester references, with certificates kept on file and available to customers on request.<\/p>\n<\/div>\n

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Ever Power Manufacturing: Precision Testing at Factory Scale<\/h2>\n

Ever Power operates a purpose-built hydraulic cylinder manufacturing facility with dedicated test bays capable of handling cylinders from 50 mm bore all the way up to 500 mm bore \u2014 covering the full range needed by UK OEMs, specialist hydraulics distributors, and end-users operating in construction, steel, marine, and industrial process sectors. Every test rig in the facility is plumbed with high-pressure filtered supply to ISO 4406 Class 17\/15\/12 \u2014 ensuring that no contamination is introduced during testing.<\/p>\n

The customisation capability at Ever Power extends well beyond bore and stroke variations. UK-market customers frequently request non-standard mounting configurations \u2014 clevis to spherical bearing, cross-tube to trunnion \u2014 along with non-standard port positions dictated by machine envelope constraints. Custom rod-end machining for specific thread forms (BSP, BSPP, metric, and UNC are all handled in-house) eliminates the need for adaptors that can be leak paths. Customers working with demanding duty cycles can specify high-cycle seal packages, extended chrome plating depth, and stainless steel hardware on all external fasteners.<\/p>\n

Lead times are structured around the UK distribution chain. Standard catalogue items are held in finished or semi-finished state, reducing lead time to 7\u201314 working days for UK delivery. Full custom cylinders \u2014 new bore, new stroke, bespoke mounting \u2014 typically ship in 20\u201330 working days depending on complexity. Ever Power works with established freight forwarding partners with UK customs clearance experience, ensuring that DDP (Delivered Duty Paid) shipments arrive with complete documentation for immediate goods-in acceptance.<\/p>\n

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Ready to discuss a custom boom cylinder specification with full pressure test documentation?<\/p>\n

Get a Quote from Ever Power<\/a><\/p>\n<\/div>\n<\/div>\n

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Customer Success Story<\/div>\n

Leeds Bulk Handling Plant Reduces Cylinder Downtime by 60%<\/h2>\n<\/div>\n<\/div>\n

\"Hydraulic<\/p>\n

A bulk materials handling facility on the outskirts of Leeds, operating a fleet of nine articulating boom conveyors used to load and discharge aggregate at a rail-to-road transfer terminal, had experienced recurring hydraulic cylinder failures over an 18-month period. The root cause, identified by the plant’s maintenance supervisor during a detailed strip-down, was premature seal degradation \u2014 cylinders were arriving from their previous supplier without individual test records, and a proportion had clearly never been subjected to dynamic cycle testing. Two cylinders had failed their first month in service, a third had developed an external leak at an end cap weld within six weeks.<\/p>\n

The plant manager contacted Ever Power after being recommended through an industry contact at a Doncaster plant engineering firm. Ever Power’s technical team reviewed the boom geometry, the existing cylinder mounting dimensions, and the hydraulic circuit pressure rating \u2014 280 bar rated working pressure. Replacement cylinders were manufactured with FKM seals to account for the elevated ambient temperature near the facility’s diesel handling area, hard chrome rod plating to 35 micrometres for corrosion protection, and custom cross-tube mounts machined to match existing pin diameters exactly to avoid re-boring on-site.<\/p>\n

Every cylinder was individually pressure-tested to 420 bar static proof pressure, cycled ten times at 280 bar, and shipped with a full test report including gauge calibration certificates. Eighteen months after installation, all nine cylinders remain in service with no seal replacements required. The plant’s unplanned maintenance budget for the hydraulic system has reduced by over 60% compared to the equivalent period with the previous supplier.<\/p>\n

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“We’ve ordered from several cylinder suppliers over the years, but Ever Power are the first to send a proper test certificate with every unit \u2014 not just a stamp. The documentation alone has saved us hours during our annual PSSR inspection. The cylinders themselves have been faultless.”<\/p>\n

Mark T., Plant Maintenance Manager<\/div>\n
Aggregate Handling Terminal, Leeds<\/div>\n<\/div>\n
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“The FKM seal upgrade that Ever Power recommended has been transformative for our high-temperature environment. Previous cylinders needed seal replacements every 8\u201310 months. We’re now at 22 months with no issues. The pre-ship dynamic cycling test clearly catches things that a static pressure test alone would miss.”<\/p>\n

Sandra W., Procurement Director<\/div>\n
Steel Products Manufacturer, Rotherham<\/div>\n<\/div>\n
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“Ordering custom cylinders from overseas suppliers always used to feel like a risk \u2014 you never quite knew what you’d get. With Ever Power the test records and calibration certificates come as a matter of course, and the DDP shipping means there are no nasty surprises at goods-in. We’ve specified them across our entire crane fleet rebuild.”<\/p>\n

James O., Fleet Engineering Lead<\/div>\n
Port Equipment Operator, Southampton<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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What pressure test standards do hydraulic cylinder suppliers in the UK need to comply with for PSSR 2000 requirements?<\/div>\n
Under PSSR 2000 (Pressure Systems Safety Regulations), any hydraulic cylinder used in a pressure system in the UK should have documentation confirming it has been tested to at least 1.5\u00d7 its rated working pressure with a calibrated gauge, and the test report must be traceable to UKAS-accredited calibration references. Your Written Scheme of Examination will typically reference these requirements. Ever Power can supply full test documentation compliant with these needs.<\/div>\n<\/div>\n
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How much does a custom boom cylinder with a full pressure test certificate typically cost from a UK supplier or direct from the manufacturer?<\/div>\n
Cost varies significantly with bore, stroke, rated pressure, and seal specification. For a quotation specific to your application \u2014 including the cost of the pressure test documentation package \u2014 email sales@boom-cylinders.com with your bore, stroke, working pressure, and mounting configuration. Ever Power provides itemised quotes so you can see exactly what you’re paying for. Buying direct from the manufacturer eliminates distributor margin, which typically results in 20\u201335% lower prices compared to buying through UK hydraulic distributors for equivalent quality.<\/div>\n<\/div>\n
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Which hydraulic cylinder suppliers in Birmingham or Sheffield can supply excavator boom cylinders with traceable factory pressure test records?<\/div>\n
Many UK distributors in Birmingham and Sheffield stock hydraulic cylinders but do not have their own test facilities \u2014 they rely on manufacturer documentation provided with the shipment, which may or may not contain the full data set needed for PSSR compliance. Ever Power manufactures and tests its own cylinders, providing cylinder-specific serial-numbered test reports with gauge calibration certificates. These can be supplied direct to UK buyers with DDP shipping and full import documentation.<\/div>\n<\/div>\n
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How do I get a quote for a hydraulic boom cylinder from Ever Power and what information do I need to provide to get an accurate price?<\/div>\n
To receive an accurate quote, email sales@boom-cylinders.com with the following: bore diameter, rod diameter, stroke length, rated working pressure, mounting type at both ends (clevis, trunnion, flange, foot mount), port size and position, and any specific seal material requirements. If you have an existing cylinder drawing or a part number from the original machine manufacturer, including that will speed things up. Quotes are typically returned within 24 hours for standard configurations.<\/div>\n<\/div>\n
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What is the difference between a static proof pressure test and a dynamic cycling test for a hydraulic cylinder, and why does my maintenance team need both?<\/div>\n
A static proof test verifies that the cylinder barrel, end caps, welds, and port connections can withstand peak pressure without failing structurally or leaking externally. A dynamic cycling test verifies that the moving seals \u2014 piston seal and rod seal \u2014 maintain integrity when the piston and rod are in motion under pressure. Both tests target different failure modes: a cylinder can pass a static test with a seal that is installed in the wrong orientation or made from the wrong material, but will fail under dynamic cycling. For any application where the cylinder is moving in service (which is virtually all of them), both tests are needed.<\/div>\n<\/div>\n
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When should a hydraulic boom cylinder be re-tested or replaced if it shows signs of internal leakage on a UK construction site?<\/div>\n
Internal leakage past the piston seal manifests as reduced cylinder holding force or visible drift under load \u2014 the boom slowly sinking without hydraulic input. In construction applications regulated under LOLER (Lifting Operations and Lifting Equipment Regulations), any cylinder showing measurable drift on a lifting attachment should be taken out of service for inspection. Re-testing after seal replacement is good practice and may be required by your insurer or site rules. Ever Power can supply replacement seal kits cross-referenced to cylinder serial numbers for all units supplied.<\/div>\n<\/div>\n
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Who is responsible for ensuring hydraulic cylinders used in UK manufacturing plant are tested and certified under PSSR 2000 regulations?<\/div>\n
Under PSSR 2000, the user of a pressure system \u2014 typically the employer or site owner \u2014 bears legal responsibility for ensuring that all pressure-containing components are operated within safe limits and have been examined as required by a Written Scheme of Examination. In practice, this means the plant engineer or maintenance manager is responsible for ensuring that any replacement hydraulic cylinder is accompanied by test documentation from the manufacturer. Specifying Ever Power cylinders with full test certification provides a clear, auditable paper trail for HSE inspection purposes.<\/div>\n<\/div>\n<\/div>\n

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Specify a Boom Cylinder with Complete Pressure Test Documentation<\/h2>\n

Whether you need a direct replacement for an existing boom cylinder or a fully custom unit designed to your machine specification, Ever Power provides individually tested cylinders with calibration-traceable test records \u2014 shipped DDP to the UK with full import documentation.<\/p>\n

Request a Quote \u2014 sales@boom-cylinders.com<\/a><\/p>\n<\/div>\n

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gzl\u306b\u3088\u308b\u7de8\u96c6<\/p>\n<\/div>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

Ever Power | Boom Cylinders How Are Boom Cylinders Tested Before Shipping? Pressure Test Explained A transparent look at the rigorous quality verification process every hydraulic cylinder undergoes at Ever Power before it leaves the factory floor \u2014 so you can deploy with confidence. UK Market Pressure Testing Hydraulic Cylinders When a hydraulic boom cylinder is fitted to an excavator working a Birmingham quarry site, a Sheffield steel-handling crane, or a Bristol harbour dredger, failure is simply not an option. The forces involved are enormous \u2014 pressures routinely exceed 300 bar, loads span dozens of tonnes, and the operating environment can swing between freezing January mornings and the heat of […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1076],"tags":[],"class_list":["post-1725","post","type-post","status-publish","format-standard","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/boom-cylinders.com\/ja\/wp-json\/wp\/v2\/posts\/1725","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/boom-cylinders.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/boom-cylinders.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/boom-cylinders.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/boom-cylinders.com\/ja\/wp-json\/wp\/v2\/comments?post=1725"}],"version-history":[{"count":5,"href":"https:\/\/boom-cylinders.com\/ja\/wp-json\/wp\/v2\/posts\/1725\/revisions"}],"predecessor-version":[{"id":1812,"href":"https:\/\/boom-cylinders.com\/ja\/wp-json\/wp\/v2\/posts\/1725\/revisions\/1812"}],"wp:attachment":[{"href":"https:\/\/boom-cylinders.com\/ja\/wp-json\/wp\/v2\/media?parent=1725"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/boom-cylinders.com\/ja\/wp-json\/wp\/v2\/categories?post=1725"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/boom-cylinders.com\/ja\/wp-json\/wp\/v2\/tags?post=1725"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}