Alkali Resistant Rubber Hose Strong Alkali Protection Robust
Structure Long Lifespan
Description
The Phosphoric Acid Hose by Hongruntong Marine is engineered
specifically for the demanding conditions of concentrated
phosphoric acid transfer. Its design combines a chemical-resistant
inner tube, multi-layered reinforcement, and a durable outer cover
to provide mechanical strength, chemical stability, and
environmental resistance. This hose ensures smooth flow, prevents
crystallization, and maintains integrity under dynamic and
high-pressure conditions common in industrial and marine
operations. Unlike general-purpose chemical hoses, it is formulated
to withstand the aggressive nature of phosphoric acid, maintaining
flexibility and performance over prolonged service periods.
Case Study: High Temperature Fertilizer Reactor Feed
A fertilizer manufacturing plant in Northern Europe faced
challenges in feeding concentrated phosphoric acid into
high-temperature reactors. Standard chemical hoses were failing due
to chemical attack, thermal stress, and frequent flexing. Downtime
and hose replacements increased operational costs and interrupted
production schedules.
Hongruntong Marine supplied Phosphoric Acid Hoses designed to
endure high temperatures (~75°C) and continuous chemical exposure.
These hoses featured an acid-resistant inner tube,
spiral-reinforced layers for structural integrity, and a smooth
internal bore to reduce crystallization. Custom-length assemblies
with reinforced end fittings were installed to accommodate tight
plant layouts.
After 18 months of continuous use, inspections confirmed the hoses
maintained their internal and external integrity. Flow rates were
stable, energy consumption for pumping decreased due to reduced
friction losses, and contamination incidents from hose wear were
eliminated. Maintenance staff reported a 40% reduction in
replacement frequency, and overall production efficiency improved.
This case highlights the critical role of a purpose-built
Phosphoric Acid Hose in high-temperature industrial chemical
operations.
Specifications
Product Name | Phosphoric Acid Hose |
Reinforcement | Multi Plies High Strength Synthetic Fabric |
Cover | Epdm Resistant to Chemical, Weathering and Ozone, Blue, Green
Wrapped |
Size | 3/4"-6" or Customized Size |
Certification | IS09001 |
Temperature Range | -40°C to 120°C |
Working Pressure | 10-16 bar |
Length | According to Customer Demand, It is Generally 60 Meters |
Application | Desigued for In-Plant or Tank Truck Use to Transfer Chemicals and
Solvents |
Features | Chemical Resistance, Good Pressure Resistance and Good Stability |
| Model | Inner Diameter (mm) | Outer Diameter (mm) | Working Pressure (bar) | Burst Pressure (bar) | Bend Radius (mm) | Max Temp (°C) | Min Temp (°C) | Length per Roll (m) |
|---|
| HM-PAH1 | 25 | 38 | 10 | 30 | 150 | 80 | -20 | 20 |
| HM-PAH2 | 32 | 46 | 10 | 30 | 180 | 80 | -20 | 20 |
| HM-PAH3 | 38 | 54 | 10 | 30 | 210 | 80 | -20 | 20 |
| HM-PAH4 | 50 | 68 | 10 | 30 | 280 | 80 | -20 | 20 |
| HM-PAH5 | 65 | 85 | 10 | 30 | 350 | 80 | -20 | 20 |
| HM-PAH6 | 75 | 97 | 10 | 30 | 400 | 80 | -20 | 20 |
| HM-PAH7 | 90 | 112 | 10 | 30 | 480 | 80 | -20 | 20 |
| HM-PAH8 | 100 | 125 | 10 | 30 | 550 | 80 | -20 | 20 |
| HM-PAH9 | 125 | 155 | 10 | 30 | 700 | 80 | -20 | 20 |
| HM-PAH10 | 150 | 185 | 10 | 30 | 850 | 80 | -20 | 20 |
Key Features
High Temperature and Acid Resistant Inner Tube
The inner tube is formulated to resist both high-concentration
phosphoric acid and elevated temperatures. The elastomeric compound
maintains mechanical properties over long-term exposure, ensuring
chemical purity and preventing liner degradation. Laboratory
testing confirms stability under thermal cycling and prolonged
immersion.
Multi Spiral Reinforcement for Strength and Flexibility
The hose incorporates multiple spiral layers of synthetic fiber
reinforcement to provide strength under internal pressure, suction,
and bending. This design prevents collapse during vacuum operation
and maintains roundness, ensuring consistent flow even under
mechanical stress.
Smooth Bore for Consistent Flow and Crystallization Prevention
The inner surface is precision-engineered to minimize turbulence,
reducing the risk of crystallization and deposit formation. This
ensures stable pumping and transfer operations while maintaining
product purity.
Durable Outer Cover for Harsh Environments
The outer cover is abrasion-resistant, UV-protected, and
ozone-resistant, enabling safe handling in industrial plants and
marine terminals. It preserves reinforcement integrity and
maintains flexibility under temperature variations, allowing safe
storage and manipulation.
Applications
High Temperature Reactor Feed
The Phosphoric Acid Hose is ideal for conveying concentrated
phosphoric acid into high-temperature reactor systems in fertilizer
production, ensuring chemical integrity and consistent flow.
Terminal Loading and Unloading
Used for bulk transfer between storage tanks and transport vessels,
this hose supports suction and high-pressure operations while
resisting chemical and mechanical stresses.
Industrial Blending and Transfer
Suitable for conveying phosphoric acid in blending lines and plant
distribution networks, the hose maintains purity, reduces
crystallization risks, and withstands frequent handling.
Why Choose Hongruntong Marine
Specialized Expertise in Phosphoric Acid Transfer
Hongruntong focuses on the unique requirements of phosphoric acid
hoses, ensuring chemical compatibility, thermal resilience, and
mechanical stability.
Customizable Hose Assemblies
The company provides tailored solutions, including length,
diameter, reinforcement, and end fitting customization to suit
complex plant layouts and transfer requirements.
Rigorous Quality Control
Every hose undergoes chemical, pressure, and vacuum testing, along
with dimensional verification and serial tracking to ensure
reliability and traceability.
Proven Industrial Reliability
Hongruntong hoses are trusted worldwide in fertilizer plants,
chemical terminals, and marine operations, providing consistent
performance, extended service life, and reduced maintenance costs.
FAQ
1. Can this hose handle continuous high-temperature phosphoric acid
transfer?
Yes, the hose is designed for continuous use with concentrations up
to 85% at temperatures up to 80°C without compromising performance.
2. Is it suitable for suction operations?
Yes, the multi-layer reinforcement prevents collapse during vacuum
or suction cycles, ensuring reliable operation.
3. How should the hose be maintained?
Regular inspections, adherence to bend radius limits, and periodic
flushing prevent crystallization and prolong service life.
4. What types of fittings can be used?
Compatible fittings include stainless steel flanges, PTFE-lined
couplings, and composite connectors, chosen according to pressure,
temperature, and chemical requirements.
5. What is the expected service life of the hose?
With proper handling and maintenance, the hose can deliver multiple
years of reliable service, exceeding standard chemical hoses in
durability and safety.
