{"id":3771,"date":"2026-08-27T06:08:56","date_gmt":"2026-08-27T06:08:56","guid":{"rendered":"https:\/\/www.henghuahose.com\/?p=3771"},"modified":"2026-08-27T06:09:00","modified_gmt":"2026-08-27T06:09:00","slug":"air-hose-working-pressure-vs-burst-pressure","status":"publish","type":"post","link":"https:\/\/www.henghuahose.com\/es\/air-hose-working-pressure-vs-burst-pressure\/","title":{"rendered":"Air Hose Working Pressure vs Burst Pressure: Safety Factor Explained"},"content":{"rendered":"

Air hose working pressure vs burst pressure \u2014 the short answer: working pressure is the maximum internal pressure an air hose can carry continuously and safely, while burst pressure is the destructive-test pressure at which the hose ruptures. The gap between the two numbers is the safety factor, and for compressed air hoses it is normally 4:1, meaning the minimum burst pressure is four times the working pressure rating. This guide explains what each rating means, how manufacturers test them, why the 4:1 safety factor exists, and how to choose the right working pressure for your air compressor and pneumatic tools.<\/p>\n\n\n\n

Beyond the air hose working pressure vs burst pressure basics, you will learn how to read hose cover markings, what proof pressure is, how temperature and pressure surges change real-world safety, and how to avoid the most common selection mistakes. We answer the questions buyers ask most \u2014 how much PSI you need, what burst pressure a 300 PSI hose has, and whether a hose can fail below its working pressure rating. The guidance draws on our own factory burst-test records and the test requirements in ISO 2398 and ISO 5774, the international standards for textile-reinforced hoses for compressed air.<\/p>\n\n\n\n

What Is Working Pressure on an Air Hose?<\/h2>\n\n\n\n

Working pressure \u2014 also called operating pressure or rated pressure \u2014 is the maximum internal pressure a hose is designed to carry continuously, at a stated reference temperature, for its expected service life. It is a conservative, non-destructive rating: at working pressure, the hose should show no visible swelling, no leaks, no permanent deformation, and it should still pass its burst test at the end of the rated service life. Think of it as the pressure the hose is built to live at, not the pressure it can survive once. If you are new to air hose basics \u2014 sizes, materials, and how a hose is constructed \u2014 start with our what is an air hose guide before comparing pressure ratings.<\/p>\n\n\n\n

A hose rated 300 PSI working pressure is engineered to run at 300 PSI day after day without fatigue damage accumulating faster than the design allows. Most home and workshop compressors output 90\u2013150 PSI, which is why consumer air hoses are almost always rated 200\u2013300 PSI working pressure \u2014 comfortably above anything a standard tank can produce. Industrial rubber hoses, built to ISO 2398, are commonly rated 300\u2013500 PSI for higher-pressure pneumatic systems and fleet air service.<\/p>\n\n\n\n

The working pressure rating is determined by destructive and fatigue testing during product development, then verified by routine production tests. In our factory, every production reel is proof-tested before it is cut and crimped; the working pressure printed on the cover is the value the hose proved it could sustain, divided by the safety factor the design standard requires. If the printing on a hose says 300 PSI, that is the number to plan around \u2014 not the number to push past.<\/p>\n\n\n\n

What Is Burst Pressure on an Air Hose?<\/h2>\n\n\n\n

Burst pressure is the internal pressure at which the hose physically ruptures during a destructive test. It is measured once, in a laboratory, by pressurizing a sample with water or oil until it fails \u2014 the sample is destroyed and cannot be reused, which is why this value is always a test result rather than an operating limit. A hydrostatic burst test rig raises pressure steadily, typically from 0 to failure in 30 to 60 seconds, and records the exact pressure at the moment of rupture.<\/p>\n\n\n\n

For a consumer air hose with a 300 PSI working pressure, the burst pressure is typically 1,200 PSI at a 4:1 safety factor. An industrial air hose rated 500 PSI working pressure typically bursts near 2,000 PSI. These numbers define the real distance between normal operation and catastrophic failure: a hose running at its working pressure uses only about a quarter of its ultimate strength.<\/p>\n\n\n\n

In our own burst-test records, rupture almost always occurs at the end fitting or at a point where the reinforcement was disturbed during assembly \u2014 rarely in the middle of the hose body. A useful inspection habit follows: the end fittings of an air hose are where fatigue and burst failures concentrate \u2014 see our air hose fittings guide \u2014 so they deserve the same attention as the cover. ISO 2398 and ISO 5774 both require burst tests at a defined multiple of the working pressure, and reputable manufacturers burst-test samples from every production batch, not just at design stage.<\/p>\n\n\n\n

\"Hydrostatic<\/figure>\n\n\n\n

Figure 1. Burst testing is a destructive laboratory test: the hose is pressurized until it ruptures and the failure pressure is recorded.<\/p>\n\n\n\n

Never operate an air hose at or near its burst pressure.<\/strong> The burst rating is not a headroom number for you to use \u2014 it is the failure point the design must keep far away from your compressor’s output. A hose rupturing at 1,200 PSI releases stored energy violently; the whipping end can injure anyone nearby, which is why industry guidance treats burst pressure as a design parameter, not an operating envelope.<\/p>\n\n\n\n

Air Hose Safety Factor: The 4:1 Rule Explained<\/h2>\n\n\n\n

Once you understand air hose working pressure vs burst pressure, the safety factor is simply the ratio between them: safety factor = minimum burst pressure \u00f7 working pressure<\/strong>. If a hose is rated 300 PSI working pressure and its minimum burst pressure is 1,200 PSI, the safety factor is 4:1. The Rubber Manufacturers Association (RMA) in the United States has long recommended a 4:1 safety factor for hose, and most reputable air hose manufacturers build to it \u2014 including our own EPDM and PVC air hose lines, which are designed so burst pressure never falls below four times the printed working pressure.<\/p>\n\n\n\n

Why 4:1 and not 2:1? The working pressure rating assumes a new, undamaged hose at a reference temperature of about 70\u00b0F (20\u00b0C). Real service is harder than the rating assumes. Pressure surges can momentarily double the internal pressure \u2014 or far more with a fast-closing valve at the end of a long hose. Elastomers age, soften with heat, and harden in UV light. Covers get dragged, crushed, and cut. Reinforcement degrades with every pressure cycle. The 4:1 ratio absorbs all of these unknowns so that even a worn or abused hose stays well away from failure in normal operation.<\/p>\n\n\n\n

Typical safety factors by hose application.<\/p>\n\n\n\n

Solicitud<\/th>Typical safety factor<\/th>Motivo<\/th><\/tr><\/thead>
Compressed air hoses (US market, RMA practice)<\/td>4:1<\/td>RMA recommendation; absorbed fatigue, surge, and aging margin<\/td><\/tr>
Pneumatic hoses (some European specifications)<\/td>3:1<\/td>Lower cyclic loading in light pneumatic service<\/td><\/tr>
Thermoplastic hoses<\/td>3:1 or 4:1<\/td>Depends on construction and reinforcement<\/td><\/tr>
Hydraulic hoses<\/td>4:1<\/td>Industry standard for high-pressure fluid power<\/td><\/tr>
Aerospace and safety-critical systems<\/td>5:1 or higher<\/td>Extreme consequences of failure<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Does Every Air Hose Use a 4:1 Safety Factor?<\/h3>\n\n\n\n

No, and it is worth checking rather than assuming. Most branded air hoses sold in North America are built to a 4:1 air hose safety factor, following RMA practice. Some European pneumatic hose specifications are designed to 3:1, which is adequate for light duty but leaves a thinner margin under surges and abuse. Budget and unbranded hoses sometimes carry working pressure claims without any verifiable burst test behind them \u2014 if a hose does not print its burst pressure or the standard it was built to, treat the working pressure number with suspicion.<\/p>\n\n\n\n

Our purchasing advice is simple: look for a hose that prints both ratings. A cover marking such as “Working pressure 300 PSI, burst 1,200 PSI, ISO 2398” tells you the manufacturer tested and stands behind the safety factor. A hose that prints only “300 PSI” with no burst value, no standard, and no brand identity leaves the safety factor unverified \u2014 and that is exactly where the air hose pressure rating question stops being academic.<\/p>\n\n\n\n

Why Is the Safety Factor Not 1.5:1?<\/h3>\n\n\n\n

A 1.5:1 safety factor would mean a hose rated 300 PSI bursts at 450 PSI \u2014 and that hose would fail in seconds under a mild pressure surge, age out of spec within a season, and have no margin at all for the abrasion and kinking that real shop floors inflict. Safety factors exist because every variable in the rating equation degrades: elastomers lose strength as they age, braid fatigue accumulates with every pressure cycle, and heat accelerates both. The 4:1 air hose safety factor is not over-engineering; it is the margin that keeps a hose safe on the day it is finally replaced, rather than the day it was new.<\/p>\n\n\n\n

Proof Pressure: The Third Rating You Should Know<\/h2>\n\n\n\n

Between working pressure and burst pressure sits proof pressure \u2014 the pressure at which a hose is tested for leaks and swelling without being permanently deformed. Once the air hose working pressure vs burst pressure relationship is clear, proof pressure slots in between them as the quality-check rating that manufacturers apply to every production reel. It is typically 1.5 times the working pressure (some specifications allow up to 2 times), and it is the test applied to production hoses to catch weak samples before they ship. Unlike a burst test, a proof test is non-destructive: the hose is pressurized, held, inspected, and released, and if it holds without leaks or permanent swelling it goes to the customer.<\/p>\n\n\n\n

Every HENGHUA air hose is proof-tested at 1.5 times its working pressure before it leaves the factory, and samples from every production batch are burst-tested to confirm the safety factor has not drifted. This is the quality difference behind the numbers on the cover: a proof-tested hose has verified strength; an untested hose carries a rating that exists only on paper. When comparing supplier quotes, asking “do you proof-test every reel?” separates manufacturers who measure their safety factor from those who assume it.<\/p>\n\n\n\n

Air Hose Working Pressure vs Burst Pressure: Key Differences at a Glance<\/h2>\n\n\n\n

The table below condenses the air hose working pressure vs burst pressure comparison into the five facts that matter for selection, operation, and inspection.<\/p>\n\n\n\n

Working pressure vs burst pressure vs proof pressure for air hoses.<\/p>\n\n\n\n

Property<\/th>Presi\u00f3n de trabajo<\/th>Proof pressure<\/th>Burst pressure<\/th><\/tr><\/thead>
Definici\u00f3n<\/td>Max pressure for continuous, safe operation<\/td>Test pressure applied without permanent deformation<\/td>Pressure at which the hose ruptures<\/td><\/tr>
Test type<\/td>Design rating from fatigue and development testing<\/td>Non-destructive production test<\/td>Destructive laboratory test<\/td><\/tr>
Typical value relative to working pressure<\/td>1\u00d7<\/td>1.5\u00d7 (up to 2\u00d7 in some specs)<\/td>4\u00d7 (3\u00d7 in some European pneumatic specs)<\/td><\/tr>
What happens if exceeded<\/td>Accelerated fatigue, swelling, eventual failure<\/td>None, by design<\/td>Catastrophic rupture and hose whip<\/td><\/tr>
Typical air hose values<\/td>200\u2013500 PSI<\/td>300\u2013750 PSI<\/td>800\u20132,000 PSI<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Read the table from left to right as a safety ladder: working pressure is where the hose lives, proof pressure is where the factory verifies it, and burst pressure is the failure point the first two numbers keep you far away from. If a datasheet gives only one number, ask for the other two \u2014 a complete burst pressure rating is only meaningful when compared with the working pressure that produced it.<\/p>\n\n\n\n

What Working Pressure Do I Actually Need?<\/h2>\n\n\n\n

For most buyers, the air hose working pressure vs burst pressure question settles quickly once you know your compressor’s maximum tank pressure. The golden rule: the hose’s working pressure must exceed your compressor’s maximum tank pressure, not just its regulator setting.<\/strong> If your compressor tank can reach 150 PSI, a 100 PSI hose is unsafe even if you normally run your tools at 90 PSI \u2014 one regulator failure or stuck valve sends tank pressure straight into the hose.<\/p>\n\n\n\n

Consumer compressors output 90\u2013150 PSI, so a 200 PSI hose gives a comfortable margin and a 300 PSI hose covers everything a home or prosumer compressor can produce. Industrial pneumatic and fleet air systems run higher \u2014 commonly 120\u2013175 PSI \u2014 which is why industrial rubber air hoses are rated 300\u2013500 PSI working pressure.<\/p>\n\n\n\n

Recommended air hose working pressure by use case.<\/p>\n\n\n\n

Use case<\/th>Typical compressor pressure<\/th>Recommended hose working pressure<\/th><\/tr><\/thead>
Tire inflation and light tools<\/td>90\u2013120 PSI<\/td>200 PSI or higher<\/td><\/tr>
Standard shop tools (nailers, impact wrenches)<\/td>90\u2013150 PSI<\/td>300 PSI<\/td><\/tr>
High-flow tools and long hose runs<\/td>150 PSI or higher<\/td>300\u2013500 PSI<\/td><\/tr>
Truck and fleet air systems<\/td>120\u2013175 PSI<\/td>300\u2013500 PSI<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Pressure rating is only half of the selection puzzle. Inner diameter controls how much air actually reaches the tool: a 3\/8-inch hose carries roughly twice the airflow of a 1\/4-inch hose, and pressure drop grows with hose length, so long runs need bigger diameters rather than higher ratings. A 300 PSI hose that is too small for the airflow is a bottleneck; a 300 PSI hose that is correctly sized is a non-issue. Our air hose size chart guide covers the diameter and length math in detail, the air compressor hose selection guide walks through the full specification from compressor to tool, and our rubber vs PVC air hose comparison explains how material choice affects the same pressure rating in real service.<\/p>\n\n\n\n

What Happens When Pressure Exceeds the Working Pressure Rating?<\/h2>\n\n\n\n

Exceeding the working pressure rating does not cause a single predictable failure \u2014 it causes several, depending on how the overpressure happens. Understanding air hose working pressure vs burst pressure explains why: the entire safety reserve sits in the margin between the two ratings. The three most common scenarios are pressure surges, sustained overpressure, and silent fatigue damage.<\/p>\n\n\n\n

    \n
  • Pressure surges are the most dangerous.<\/strong>\u00a0When a valve closes quickly, a pressure wave can travel through the hose and momentarily double the internal pressure \u2014 the same effect as water hammer in plumbing. A surge lasting only milliseconds can push a hose toward or past its burst pressure even though the steady-state pressure looks normal on the gauge. In our test records, a rapid-closure surge test with a fast-acting valve at the end of a long hose, operating at 50% of its working pressure, produced transient peaks well above working pressure \u2014 in some runs above 50% of burst \u2014 a reminder that the compressor gauge is not the pressure at the hose’s far end when a tool shuts off.<\/li>\n\n\n\n
  • Sustained overpressure accelerates fatigue.<\/strong>\u00a0Every pressure cycle, even a safe one, causes microscopic strain in the reinforcement and elastomer. Operating above the working pressure rating multiplies the strain per cycle, so the hose accumulates fatigue damage faster \u2014 visible first as swelling, then as cover cracking near the fittings, and eventually as failure at a fraction of the original burst pressure. This is why the working pressure rating is defined as a continuous rating: it assumes you will live inside it for years.<\/li>\n\n\n\n
  • Temperature changes the real working pressure.<\/strong>\u00a0Pressure ratings are stated at a reference temperature of about 70\u00b0F (20\u00b0C). As temperature rises, elastomers soften and reinforcement loses tensile strength \u2014 as a rule of thumb, reduce the working pressure by roughly 2\u20135% for every 50\u00b0F (28\u00b0C) above the reference temperature, and by up to 30\u201340% at sustained temperatures above 200\u00b0F (93\u00b0C). A hose rated 300 PSI at 70\u00b0F may be safe only to about 280 PSI in a hot compressor room (100\u2013120\u00b0F), and to 180\u2013210 PSI when ambient temperature stays above 200\u00b0F (93\u00b0C).<\/li>\n<\/ul>\n\n\n\n

    Can an Air Hose Burst Below Its Working Pressure Rating?<\/h3>\n\n\n\n

    Yes, and this surprises most users. The working pressure rating assumes a healthy hose; a damaged one can fail at a fraction of its rated pressure. The most common causes we see in returned products are crushed or kinked sections that concentrate stress, covers cut or gouged by sharp edges, UV-cracked covers on hoses stored outdoors, and fittings that were over-tightened or damaged during installation. Any of these reduces the local strength of the hose, and the failure point moves from the burst rating down toward \u2014 or below \u2014 the working pressure.<\/p>\n\n\n\n

    The practical rule: inspect the hose before every use, not once a year. Run your hand along the full length and check for soft spots, bulges, cuts, and stiff or cracked sections near the fittings. A hose that has been crushed, kinked hard, or stored in the sun for years has no reliable air hose pressure rating left \u2014 replace it, because the burst number printed on the cover describes the hose it was, not the hose it has become.<\/p>\n\n\n\n

    How to Read an Air Hose Pressure Rating Marking<\/h2>\n\n\n\n

    Every reputable air hose carries its ratings printed on the cover, usually repeated along the full length. Knowing what to look for turns a 30-second glance into a complete safety check:<\/p>\n\n\n\n

      \n
    1. Presi\u00f3n de trabajo<\/strong>\u00a0\u2014 the number you plan around, printed in PSI, bar, or both.<\/li>\n\n\n\n
    2. Burst pressure<\/strong>\u00a0\u2014 the destructive-test value; verify this burst pressure rating is a sensible multiple (3\u20134\u00d7) of the working pressure.<\/li>\n\n\n\n
    3. Temperature range<\/strong>\u00a0\u2014 confirms the hose matches your environment; consumer hoses typically span about -40\u00b0F to 200\u00b0F (rubber) or a narrower window (PVC).<\/li>\n\n\n\n
    4. Standard reference<\/strong>\u00a0\u2014 ISO 2398 for rubber air hoses, ISO 5774 for plastic air hoses; a standard reference means a recognized test framework was used.<\/li>\n\n\n\n
    5. Size and type<\/strong>\u00a0\u2014 inner diameter (1\/4, 3\/8, 1\/2 inch) and construction type (textile-reinforced, spiral, etc.).<\/li>\n\n\n\n
    6. Brand and date code<\/strong>\u00a0\u2014 traceability to the manufacturer and production batch.<\/li>\n<\/ol>\n\n\n\n
      \"Close-up<\/figure>\n\n\n\n

      Figure 2. A complete cover marking: working pressure, burst pressure, temperature range, and the standard the hose was built to.<\/p>\n\n\n\n

      If a hose cover prints “working pressure 300 PSI” and nothing else \u2014 no burst value, no standard, no temperature range \u2014 the manufacturer has not committed to the engineering behind the number. Compare that with a hose that prints “WP 300 PSI, burst 1,200 PSI, ISO 2398”: the second hose gives you everything needed to verify its safety factor without trusting a marketing claim.<\/p>\n\n\n\n

      Common Myths About Air Hose Pressure Ratings<\/h2>\n\n\n\n

      The air hose working pressure vs burst pressure discussion attracts several persistent myths, and they cause real purchasing mistakes.<\/p>\n\n\n\n

      Myth 1: A higher burst pressure means a better hose.<\/strong> A higher burst pressure means a higher safety factor, which is good \u2014 but it can also mean a heavier, stiffer hose with thicker walls that handles worse and costs more. Match the rating to the duty; an industrial 500 PSI hose is the wrong tool for a tire inflator.<\/p>\n\n\n\n

      Myth 2: Staying below the working pressure is always safe.<\/strong> It is safe for a healthy hose. A damaged cover, a kinked section, a surge, or high temperature can each push a hose toward failure at well below its rated pressure. Ratings describe the hose’s design envelope, not a guarantee under abuse.<\/p>\n\n\n\n

      Myth 3: Burst pressure declines gradually, so you will see it coming.<\/strong> It can decline sharply. Abrasion, UV exposure, chemical attack, and repeated crushing each remove strength quietly; the first visible sign is often the failure itself.<\/p>\n\n\n\n

      Myth 4: All 300 PSI hoses are the same.<\/strong> Two hoses can both say 300 PSI and have different burst pressure ratings, different safety factors, different temperature ranges, different reinforcement, and different test regimes behind them. The printed ratings plus the standard reference are the only comparable data.<\/p>\n\n\n\n

      Myth 5: You should buy the highest PSI hose you can find.<\/strong> Overspecifying buys weight, stiffness, and cost without any safety benefit once the working pressure comfortably exceeds the compressor output. A 300 PSI hose on a 150 PSI compressor already carries a 2:1 margin \u2014 that is the right envelope for most users.<\/p>\n\n\n\n

      Air Hose Working Pressure FAQs<\/h2>\n\n\n\n

      What is the difference between air hose working pressure vs burst pressure?<\/strong><\/p>\n\n\n\n

      Working pressure is the maximum pressure the hose can carry continuously and safely in normal operation; burst pressure is the destructive-test pressure at which the hose ruptures. The ratio between them is the safety factor, normally 4:1 for compressed air hoses, so a 300 PSI working pressure hose typically has a minimum burst pressure of about 1,200 PSI.<\/p>\n\n\n\n

      What does a 4:1 safety factor mean on a hose?<\/strong><\/p>\n\n\n\n

      It means the minimum burst pressure is four times the working pressure rating. A hose with a 4:1 air hose safety factor rated 300 PSI working pressure must burst at no less than 1,200 PSI \u2014 the manufacturer commits to that gap in testing.<\/p>\n\n\n\n

      What is the burst pressure of a 300 PSI air hose?<\/strong><\/p>\n\n\n\n

      At the standard 4:1 safety factor, approximately 1,200 PSI. Confirm the actual value on the hose cover or datasheet, because some specifications use 3:1, which would put burst at about 900 PSI.<\/p>\n\n\n\n

      What PSI air hose do I need for a 150 PSI compressor?<\/strong><\/p>\n\n\n\n

      A 300 PSI working pressure hose. It exceeds the compressor’s maximum tank pressure by 2:1, covers the 90\u2013150 PSI range of every consumer compressor, and leaves margin for regulator failure.<\/p>\n\n\n\n

      Can an air hose burst below its working pressure?<\/strong><\/p>\n\n\n\n

      Yes, if the hose is damaged \u2014 crushed, kinked, cut, UV-cracked, or aged near the fittings. The working pressure rating applies to a healthy hose; inspect before every use and replace any hose with visible damage.<\/p>\n\n\n\n

      Is a 200 PSI air hose safe?<\/strong><\/p>\n\n\n\n

      For compressors whose maximum tank pressure stays at or below about 120 PSI, yes. For any compressor whose tank can reach 150 PSI or more, choose a 300 PSI hose instead \u2014 the working pressure must always exceed the tank’s maximum.<\/p>\n\n\n\n

      Does heat reduce the working pressure of an air hose?<\/strong><\/p>\n\n\n\n

      Yes. Ratings are stated at about 70\u00b0F (20\u00b0C); above that, derate roughly 2\u20135% per 50\u00b0F (28\u00b0C), and up to 30\u201340% at sustained temperatures above 200\u00b0F (93\u00b0C).<\/p>\n\n\n\n

      Why does my hose keep bursting even though I stay below the rating?<\/strong><\/p>\n\n\n\n

      Check three things: the compressor’s maximum tank pressure (not the regulator setting), the hose’s age and condition (cracks, soft spots, kinks), and whether the tank is drained \u2014 water and oil in the line attack the hose from inside and quietly reduce its real strength.<\/p>\n\n\n\n

      Final Verdict: Choose the Right Pressure Rating<\/h2>\n\n\n\n

      For 95% of buyers, the air hose working pressure vs burst pressure question reduces to one number: your compressor’s maximum tank pressure, plus a comfortable margin. Match a hose whose working pressure exceeds that number, verify the printed burst pressure is at least 3\u20134 times the working pressure, check the temperature range against your environment, and inspect the hose before each use. That combination \u2014 correct rating, verified safety factor, honest inspection \u2014 is the entire safety story, and it applies equally to a 15PVChoseanda15PVChoseanda60 rubber hose. When sourcing air hoses for retail, distribution, or industrial programs, ask for the datasheet before the price: a supplier who can show working pressure, proof pressure, burst pressure, and the standard behind them is one who has actually tested the safety factor. Request a quote and samples \u2014 our engineering team will match the right rating and size to your compressor and tools, with a reply within one business day.<\/p>\n\n\n\n

      About HENGHUA<\/h2>\n\n\n\n

      HENGHUA is a professional manufacturer of rubber, PVC, polyurethane, and hybrid air hoses, supplying workshops, distributors, and OEM brands worldwide. Every HENGHUA air hose is built with a defined safety factor, proof-tested at 1.5 times working pressure before shipment, and burst-tested per production batch \u2014 the working pressure and burst pressure printed on every cover are measured values, not marketing numbers. We manufacture across the full consumer and industrial range from 200 to 500 PSI working pressure, in sizes from 1\/4 to 1\/2 inch, with custom lengths, fittings, colors, and OEM\/ODM branding. Browse the full HENGHUA air hose range for documented working and burst pressures.<\/p>\n\n\n\n

      Because we control the entire process from compound mixing to final pressure testing, we deliver consistent, documented quality at factory-direct pricing, with short lead times for bulk orders and a clear warranty on every reel. If you are sourcing air hoses for retail, distribution, or industrial use, contact our team for a quote and samples matched to your market \u2014 we will send you the test data with the sample.<\/p>","protected":false},"excerpt":{"rendered":"

      Air hose working pressure vs burst pressure \u2014 the short answer: working pressure is the maximum internal pressure an air hose can carry continuously and safely, while burst pressure is the destructive-test pressure at which the hose ruptures. The gap between the two numbers is the safety factor, and for compressed air hoses it is 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