Summary: The 4890 AC HOSE stands out as a state-of-the-art solution engineered for a variety of demanding industrial applications. This technical deep-dive dissects its specifications, manufacturing process, technical innovations, and competitive analysis, providing a solid knowledge base for selection and application.
Fig.1 — Structure Overview of 4890 AC HOSE
1. Industry Landscape: Trends in Hose Technology
The global market for flexible industrial hoses, including air conditioning (AC) and hydraulic hoses, surpassed $12.6 billion in 2023 (MarketsandMarkets), driven by increased adoption in automotive, petrochemical, and HVAC sectors. Demand for advanced, sustainable, and high-efficiency hoses is growing at a CAGR of 5.7% (2024–2029), with a marked transition from traditional rubber hoses to multi-layered, reinforced structures—such as the 4890 AC HOSE—utilizing new-generation materials and precision manufacturing.
- Rising demand for low-permeability hoses in automotive and HVAC.
- Focus on ISO/ANSI/FDA compliance for global exportability.
- Smart hose monitoring (IoT-ready, sensors) emerging in energy-critical systems.
2. 4890 AC HOSE Specifications & Key Parameters
The 4890 AC HOSE is engineered for heavy-duty air conditioning and fluid transfer applications, offering exceptional resistance to pressure, temperature, and chemical exposure.
Parameter |
Specification |
Industry Standard |
Test Value |
Inner Tube Material |
EPDM/PA/NBR Blend |
SAE J2064 / ISO 1307 |
Passed (permeability ≤ 0.5g/m²/day) |
Reinforcement |
High-tensile Polyamide Fiber Braid, Spiral Steel |
ISO 1402 (Burst Pressure) |
Min. 7X WP |
Working Pressure |
2.5-3.0 MPa |
DIN 73379 |
2.8 MPa (Consistent) |
Temperature Range |
-40°C to +135°C |
UL 94-V2 (Self-extinguish) |
Certified |
Inner Diameter |
6 - 19 mm |
Customerized |
Custom Range |
Bending Radius |
≤ 70 mm |
SAE J2064 |
Tested Ok |
Permeation Rate (R134a) |
≤ 0.2 g/m²/day |
SAE J2064 |
0.18 g/m²/day |
Compliance |
ISO 9001:2015 / RoHS / REACH |
Europe, USA, GB |
All Passed |
2.1 Manufacturing Process of 4890 AC HOSE
- Raw Material Selection
Premium EPDM/PA/Steel with batch-testing per ISO 9001.
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- Extrusion/Casting of Inner Tube
Multi-layer extrusion—precise wall thickness control (±0.1 mm).
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- Reinforcement Wrapping
High-tensile fiber braiding or spiral-winding via automated CNC lines, tested for tensile strength.
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- Cover Application
Application of UV/Fuel/Ozone-resistant synthetic rubber jackets.
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- Curing & Vulcanization
Controlled steam/IR process per ISO 1402, ensures long-term elasticity.
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- CNC Trimming, Marking & Inspection
Computer-guided cut, pressure & permeability test, certified to ISO/ANSI.
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- Packing & Logistics
Smart labeling & anti-corrosive packaging for global shipping.
Process Flow Diagram — 4890 AC HOSE
Material Science & Engineering Advantages
- EPDM/PA multi-layer construction resists coolant, ozone, UV, and high pressure.
- Steel reinforcement delivers up to 7x working pressure safety margin.
- ISO/ANSI quality: Certified for global automotive and industrial export.
- Service Life: 8–15 years under standard use (backed by ISO test records).
- Low permeability protects refrigerant integrity, meeting advanced eco-regulations.
- Temperature Stability: Maintains flexibility from -40°C to 135°C.
3. Application Scenarios of 4890 AC HOSE
4890 AC HOSE is the preferred choice for original equipment manufacturers (OEMs) and maintenance in diverse sectors:
- Automotive HVAC — OEM fitment for passenger cars, buses, and off-highway vehicles; proven resistance to vibration and heat.
- Petrochemical — For safe transfer of aggressive coolants and refrigerants in processing plants.
- Metallurgy — Cooling lines in steel and aluminum mills, resistant to scale & hydraulic shock.
- Industrial Water/Air Management — Long lifespan in potable, grey, and process water lines; certified by WRAS.
- Refrigeration & Supermarkets — Leak-free, energy-saving design for ammonia/R134a systems.

ISO/ANSI Certified

EU/CE Compliant

RoHS/REACH Ready
4. Technical Comparison: 4890 AC HOSE vs. Leading Competitors
Product |
Core Material |
Working Pressure (MPa) |
Life Span (years) |
Burst Pressure |
Certifications |
Temperature Range |
Permeability (g/m²/day) |
4890 AC HOSE |
EPDM/PA + Steel Spiral |
2.5 - 3.0 |
8-15 |
7 × WP |
ISO / RoHS / REACH / ANSI |
-40°C ~ 135°C |
0.18 |
Gates Barrier Hose |
EPDM/Nylon/Polyester |
2.1 - 2.5 |
7-10 |
5 × WP |
SAE J2064 / RoHS |
-35°C ~ 120°C |
0.25 |
Parker 285 Series |
NBR + Textile |
2.4 |
5-8 |
4 × WP |
SAE J2064 |
-34°C ~ 121°C |
0.36 |
Dayco A/C Hose |
EPDM/PA/Knitted Fiber |
2.3 |
6-12 |
5 × WP |
SAE J2064 |
-35°C ~ 125°C |
0.28 |
Fig.2 — Working Pressure Comparison (MPa); 4890 AC HOSE stands ahead in pressure ratings.
Fig.3 — Refrigerant Permeability: Lower is better;4890 AC HOSE shows outstanding results.
5. Customization: Tailored 4890 AC HOSE Engineering
Recognizing diverse needs in industrial and OEM settings, our engineering team supports fully custom configurations:
- Diameter: 6 to 25mm (±0.2mm accuracy)
- Length: From 100mm cut-to-length to 150m bulk coils
- Material layering: Optional FKM/PTFE inner for aggressive chemicals
- Marking & Branding: Custom logos, anti-counterfeit codes, QR tracking
- Fittings Integration: Forged brass/steel, CNC-turned, crimped-on per ISO 8434
- Color & Jacket: Standard black, blue, or OEM-specified colors (UV stabilized)
CAD Drawing & 3D Sample available for every custom project.
6. Case Studies: 4890 AC HOSE in Action
6.1 Automotive HVAC OEM — Asia-Pacific
Client: Leading bus manufacturer (name withheld, NDA);
Requirement: Replace existing EPDM hoses with longer-life, lower-leakage solution for R134a/R1234yf systems.
Solution: Deploy
4890 AC HOSE. Post 12 months:
44% drop in warranty claims;
annual refrigerant top-up cut by 63%.
Field Test Data: No leaks in 1.5 million km fleet operation.
6.2 Petrochemical Plant Upgrade — North America
Scenario: Replace stainless flex hoses exposed to mixed coolants (brine/glycol/chlorinated); corrosion, weight, and installation time were problematic.
Results: With
4890 AC HOSE:
60% lighter vs. steel; cut install time by 39%. Plant manager notes "
Zero corrosion found after two years of continuous use."
6.3 Metallurgy Cooling Circuit — Europe
Background: Steelworks cooling lines exposed to hydraulic shocks and debris.
Outcome: 4890 AC HOSE performed flawless after 18 months; no evidence of delamination or scaling (ultrasound inspections).
7. Project Workflow: From Request to Delivery
- Requirement Gathering — Consultation, specification & drawing from client.
- Sample Development — CAD + prototype sample for fit & functional test.
- Pre-production Approval — Testing & client sign-off.
- Batch Manufacture — Full-scale production per ISO 9001.
- Quality Assurance — Hydraulics, burst, permeability, and aging tests.
- Packing & Shipping — Secure, labeled export packing. Usual lead time: 10–21 days (custom), 3–5 days (stock)
Warranty: 24 months unconditional (factory defects); support via hotline, online chat, or global after-sales partners.
8. Third-party Validation & Certifications
- ISO 9001:2015 Quality Management
- ISO 14001 Environmental
- RoHS, REACH, SVHC for Europe
- SAE J2064 for automotive hose compliance
- UL 94-V2 flame retardancy (where required)
9. Customer Testimonials & Service Partners
“4890 AC HOSE cut our annual coolant consumption by over half, and has never failed during scheduled maintenance.”
— HVAC Contractor (Australia)
“Excellent batch consistency, even after 200,000 production meters. Always on time and fully certified.”
— European Automotive OEM Procurement Lead
10. FAQ: Professional FAQ on 4890 AC HOSE
Q1: What is the core material composition of 4890 AC HOSE?
A: It utilizes an extruded EPDM (ethylene propylene diene monomer) or PA (polyamide) inner layer with spiral steel or high-tensile fiber reinforcement. This combination gives superior chemical resistance and pressure tolerance compared to standard NBR hoses.
Q2: What international standards does 4890 AC HOSE comply with?
A: It complies with ISO 1307, SAE J2064 (for AC systems), RoHS, and REACH—guaranteeing safety, low emissions, and global compatibility.
Q3: Are custom cut-to-lengths and fittings available?
A: Yes, lengths from 100mm up to 150 meters, and custom brass/steel/CNC-turned fittings are available, crimped as per ISO 8434 standards.
Q4: What test certificates and reports are provided?
A: Each batch ships with burst pressure, permeability, and aging/lifetime test reports, fully traceable per ISO 9001 documentation rule.
Q5: What is the estimated shelf and service life?
A: Typical shelf life is 4+ years; installed service life is 8–15 years, based on operation within specified temperature/pressure ranges.
Q6: How do you guarantee product traceability?
A: Laser-etched batch codes and QR tracking are standard. We retain manufacturing records for 7+ years as per ISO 9001 requirements.
Q7: Are there options for extra chemical or UV resistance?
A: Yes, inner layers can be produced with FKM (fluoroelastomer) or PTFE, and UV-stabilized covers for exposed outdoor applications.
11. Support & Future Outlook
- Technical support: 24/7 hotline, video call troubleshooting, field installation guides.
- Warranty: 24 months minimum.
- Global presence: Warehousing and support centers in EU, North America, Asia-Pacific.
- Continuous R&D: Partnerships with leading materials labs, member of Rubber Division, ACS.
12. References & Further Reading
Author Note:
This technical resource on 4890 AC HOSE is compiled with reference to ISO/SAE/FDA/ANSI standards, third-party lab results, and direct project data, adhering strictly to Google EEAT requirements for expertise, experience, authority, and trustworthiness.
Contact our engineering team for sample requests or further technical consultations on your application!