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Steam Rubber Hose High Temp Resistant Strong Aging Resistance Wear Resistant

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Steam Rubber Hose High Temp Resistant Strong Aging Resistance Wear Resistant

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Brand Name :	Hongruntong Marine
Model Number :	HM-SH05
Certification :	ABS, DNV, RMRS, CCS, LR, BV, SGS, V-Trust
Price :	$36-$133
Payment Terms :	L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability :	1012 Pcs Per Month
Delivery Time :	5-7 Work Days
MOQ :	1

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Steam Rubber Hose High Temp Resistant Strong Aging Resistance Wear Resistant

Steam Rubber Hose High Temp Resistant Strong Aging Resistance Wear Resistant

Describe

Steam hoses are engineered flexible conduits designed to withstand the extreme demands of saturated and superheated steam transfer in industrial environments. These hoses must offer high tensile reinforcement, heat-resistant elastomers, controlled deformation, and long-term cyclic durability under fluctuating temperatures and pressures. Modern steam hoses incorporate multi-layer structures such as EPDM inner tubes, braided or spiral steel reinforcement, and ozone-resistant covers that prevent cracking and embrittlement under thermal stress. The engineering objective is to ensure safe and efficient steam delivery while minimizing energy loss, maintaining structural stability, and providing operator protection during handling.

A well-designed steam hose resists internal swelling, delamination, and thermal shrinkage, while maintaining consistent internal diameter and flow performance. As steam conditions change from low-pressure saturated steam to high-pressure superheated steam, the hose must remain dimensionally stable. This requires precise control of polymer formulation, reinforcement geometry, and bonding procedures that reduce stress concentrations. The combination of thermal endurance, pressure resistance, and chemical neutrality ensures that the hose survives the demanding service cycles typically found in plants operating boilers, heat exchangers, sterilizers, and turbine systems.

Case Study – Thermal Shock Resistance in a Central Power Facility

In a mid-sized municipal power generation facility in Southeast Asia, operators faced recurring failures in their steam hose assemblies used for auxiliary boiler maintenance. The previous hoses, sourced from a general industrial supplier, exhibited premature cracking on the outer cover and layer separation near the coupling ends after only four months of service. Technicians noted that the hoses were exposed to sudden thermal cycling: the steam line started cold during preparation and was rapidly subjected to temperatures exceeding 180°C during flushing operations. This repeated thermal shock significantly reduced service life.

Hongruntong Marine was approached to evaluate the failure patterns. A technical assessment revealed insufficient reinforcement bonding, inadequate EPDM purity, and poor resistance to rapid temperature transitions. Hongruntong recommended a custom steam hose incorporating a high-grade EPDM compound with increased crosslink density, dual-braid steel reinforcement for better compression response, and an enhanced adhesion layer between the tube and reinforcement.

After installation, the hoses were subjected to identical operational cycles for four months. Inspections indicated zero cracking, stable adhesion, and no measurable deformation at coupling interfaces. The facility reported a 300% increase in hose lifespan, reduced downtime, and improved operator confidence. The improved thermal shock tolerance also reduced the risk of sudden steam bursts, enhancing workplace safety. This case demonstrated how targeted engineering design optimized reliability in thermally unstable environments.

Specifications

Name	Steam Hose
Hose Construction	Black High Tensile EPDM Synthetic Rubber
Reinforcement	One or Two High Tensile Steel Wire Braided
Cover	Black or Red, Weather and Abrasion-Resistant High Tensile Synthetic Rubber
Working Pressure	Constant Pressure 17 Bar/250psi
Temperature Range	-40℃～+220℃ (-40°F～428°F)
End Connection	As Per Customer's Specifications
Application	Used In The Petrochemical Industry, The Shipyard Can Resist The Superheated Stem of a Maximum Of 220℃, And the Constant Temperature Can Reach 170 ℃.

Model	Inside Diameter (ID)	Outside Diameter (OD)	Working Pressure	Burst Pressure	Min. Bend Radius	Weight (kg/m)
HM-SH1	10 mm (3/8")	20–22 mm	17 bar	≥ 51 bar	80 mm	0.40–0.50
HM-SH2	13 mm (1/2")	24–26 mm	17 bar	≥ 51 bar	100 mm	0.50–0.60
HM-SH3	16 mm (5/8")	27–29 mm	17 bar	≥ 51 bar	110 mm	0.60–0.70
HM-SH4	19 mm (3/4")	30–32 mm	17 bar	≥ 51 bar	125 mm	0.75–0.85
HM-SH5	22 mm (7/8")	33–35 mm	17 bar	≥ 51 bar	135 mm	0.85–0.95
HM-SH6	25 mm (1")	36–38 mm	17 bar	≥ 51 bar	150 mm	1.00–1.20
HM-SH7	28 mm (1 1/8")	41–43 mm	17 bar	≥ 51 bar	170 mm	1.20–1.35
HM-SH8	32 mm (1 1/4")	44–46 mm	17 bar	≥ 51 bar	200 mm	1.40–1.60
HM-SH9	35 mm (1 3/8")	48–50 mm	17 bar	≥ 51 bar	220 mm	1.55–1.80
HM-SH10	38 mm (1 1/2")	52–55 mm	17 bar	≥ 51 bar	250 mm	1.80–2.20
HM-SH11	40 mm (1.6")	55–58 mm	17 bar	≥ 51 bar	260 mm	1.95–2.30
HM-SH12	45 mm (1.75")	60–63 mm	17 bar	≥ 51 bar	280 mm	2.20–2.50
HM-SH13	48 mm (1.9")	63–66 mm	17 bar	≥ 51 bar	290 mm	2.30–2.60
HM-SH14	51 mm (2")	66–69 mm	17 bar	≥ 51 bar	300 mm	2.30–2.70
HM-SH15	57 mm (2 1/4")	73–76 mm	17 bar	≥ 51 bar	330 mm	2.70–3.10
HM-SH16	60 mm (2.36")	76–79 mm	17 bar	≥ 51 bar	340 mm	3.00–3.40
HM-SH17	63 mm (2 1/2")	80–84 mm	17 bar	≥ 51 bar	360 mm	3.30–3.70
HM-SH18	70 mm (2.75")	88–92 mm	17 bar	≥ 51 bar	400 mm	3.80–4.20
HM-SH19	76 mm (3")	95–98 mm	17 bar	≥ 51 bar	450 mm	4.20–4.60
HM-SH20	89 mm (3.5")	109–113 mm	17 bar	≥ 51 bar	520 mm	5.00–5.60

Features

Advanced EPDM Thermostable Tube Compound

The hose utilizes a high-performance EPDM formulation designed to maintain molecular integrity under continuous exposure to saturated or superheated steam. The compound incorporates enhanced crosslink density to resist thermal breakdown and maintain elasticity at elevated temperatures. This structure also limits volumetric expansion, ensuring consistent internal diameter under pressure. The tube resists internal scaling, oxidation, and chemical interaction with steam condensates, resulting in stable performance across long duty cycles. Extended polymer stability minimizes micro-cracking and tube embrittlement, two common failure modes in general-grade steam hoses.

Dual Layer Steel Reinforcement With Controlled Torsional Behavior

The reinforcement architecture consists of dual braided steel layers arranged to distribute axial and radial loads evenly throughout the hose body. This design provides controlled torsional rigidity that prevents kinking during handling while accommodating natural curvature during deployment. The braiding angle is optimized to reduce elongation under pressure, enabling predictable stress behavior and improved safety margin during peak load events. This reinforcement configuration also improves vibration resistance, which is essential for applications where steam pulses or system fluctuations can cause fatigue.

Heat Shielded Outer Cover With Enhanced Ozone and Abrasion Protection

The outer layer is engineered from a heat-stabilized synthetic rubber compound formulated to resist ozone degradation, ultraviolet exposure, and surface abrasion. Industrial steam environments often expose hoses to mechanical friction, elevated ambient temperatures, and airborne contaminants; this cover reduces surface gouging and prevents thermal oxidation that typically leads to cracking. The cover’s thermal shielding structure reflects radiant heat, reducing heat transfer to the reinforcement layers, and ensuring long service life even when hoses are routed near boilers or heat exchangers.

Reinforced Bonding Layer for Delamination Prevention

A specialized bonding compound is applied between the EPDM tube and the steel reinforcement, enhancing layer adhesion and minimizing shear displacement during thermal expansion. This bonding system prevents internal separation when subjected to rapid pressure spikes or sudden temperature transitions. By stabilizing interlayer cohesion, the hose maintains structural integrity under repeated operational cycles. The enhanced bonding also provides dimensional stability at coupling ends, ensuring secure clamp or ferrule engagement and reducing coupling-related fatigue failures.

Applications

High Temperature Thermal Transfer Lines

Steam hoses are extensively used in thermal transfer systems where controlled heat distribution is required. Their ability to tolerate elevated temperatures and maintain stable internal flow characteristics supports efficient steam transport between boilers, jacketed vessels, and reboilers.

Industrial Processing and Conditioning Systems

Many manufacturing sectors rely on steam for conditioning processes such as curing, drying, heating, and fabric treatment. The hose’s pressure stability and thermal endurance ensure precise steam delivery without flow interruptions or energy loss.

Maintenance, Shutdown, and Purging Cycles in Utility Plants

During system startups, shutdowns, and flushing procedures, steam hoses provide flexible temporary routing. Their ability to tolerate frequent temperature changes ensures reliability in high-variability environments.

Why Choose Hongruntong Marine

Precision Engineered Hoses Tailored for Thermal Stability

Hongruntong Marine applies advanced material selection and compound formulation techniques to produce hoses optimized for high-temperature durability. Each hose undergoes controlled vulcanization to ensure uniform polymer crosslinking, minimizing the risk of hot-spot degradation and extending operational lifespan.

Comprehensive Testing Protocols for Pressure and Fatigue Resistance

Every steam hose is subjected to strict test procedures, including hydrostatic pressure testing, cyclic thermal aging, burst testing, and accelerated fatigue simulations. These protocols verify that each batch meets exacting safety and performance standards required by international industrial bodies.

Customizable Reinforcement and Coupling Engineering

Hongruntong Marine provides adaptable reinforcement layouts and coupling solutions tailored to unique installation conditions. Engineers collaborate with customers to determine ideal braid geometry, coupling materials, and end-fitting configurations to maximize operational reliability.

Proven Track Record Across Marine, Power, and Industrial Sectors

With extensive experience supplying steam systems for ships, refineries, power plants, and manufacturing facilities, Hongruntong Marine consistently demonstrates high reliability in demanding environments. This cross-industry expertise ensures that each hose solution is informed by practical field performance data.

FAQ

1. What is the maximum temperature the hose can withstand?

The hose is engineered for saturated and superheated steam conditions and maintains structural integrity at high temperatures due to its thermostable EPDM compound and reinforced bonding system.

2. How often should steam hoses be inspected?

Inspection frequency depends on operating pressure and temperature cycles, but routine checks for cover integrity, coupling security, and dimensional stability are recommended to ensure optimal performance.

3. Can the hose handle rapid temperature transitions?

Yes. The multi-layer construction and enhanced bonding system are designed to resist delamination and stress cracking caused by sudden thermal shifts, a common requirement in utility operations.

4. What type of couplings are recommended?

High-strength steel or brass couplings with steam-rated clamps or ferrules are recommended. Coupling selection should match both hose diameter and pressure rating for optimal safety.

5. Does the hose require special storage conditions?

The hose should be stored in a cool, dry, shaded environment away from direct heat or ozone sources, ensuring maximum preservation of the outer cover and internal elastomers.

Steam Rubber Hose High Temp Resistant Strong Aging Resistance Wear Resistant

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