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Pneumatic Fender

At Hongruntong Marine, we specialize in the design and manufacture of high-quality pneumatic fenders that adhere to the ISO 17357 standard. Our pneumatic fenders are engineered to provide superior protection during ship-to-ship (STS) and ship-to-dock (STD) operations, effectively absorbing impact energy and minimizing the risk of damage to vessels and port infrastructure.

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Pneumatic Fender

Product Description

High Energy Absorption: Our pneumatic fenders are designed to absorb significant impact energy, ensuring safe berthing and mooring operations.
Low Reaction Force: They exert minimal pressure on the ship's hull, reducing the risk of damage during contact.
Durability: Constructed with multiple layers of strong tire cord and high-quality rubber compounds, our fenders are resistant to pressure and cutting, ensuring long-term reliability.
Portability: Easily deflatable, our fenders can be relocated and re-commissioned in different locations, offering flexibility in various operational settings.
Adaptability: Suitable for a wide range of vessels, including oil tankers, container ships, and offshore platforms, our fenders are versatile and can be customized to meet specific requirements.

Applications

Ship-to-Ship Transfers: Facilitating safe and efficient cargo transfers between vessels at sea.
Ship-to-Dock Operations: Protecting ships during berthing and mooring at port facilities.
Offshore Platforms: Providing impact protection for offshore installations during vessel approach and departure.

By choosing Hongruntong Marine's pneumatic fenders, you are investing in a reliable and cost-effective solution that enhances the safety and efficiency of your maritime operations. Our commitment to quality and customer satisfaction ensures that our products meet the highest industry standards.

Dimensions & Performance

Fender Size D x L	50kPa Performance Data			80kPa Performance Data
Fender Size D x L	Guaranteed Energy Absorption (GEA)	Reaction Force at GEA Deflection	Hull Pressure at GEA Deflection	Guaranteed Energy Absorption (GEA)	Reaction Force at GEA Deflection	Hull Pressure at GEA Deflection
[mm]	[kNm]	[kN]	[kN/m²]	[kNm]	[kN]	[kN/m²]
500 x 1,000	6	64	132	8	85	174
600 x 1,000	8	74	126	11	98	166
700 x 1,500	17	137	135	24	180	177
1,000 x 1,500	32	182	122	45	239	160
1,000 x 2,000	45	257	132	63	338	174
1,200 x 2,000	63	297	126	88	390	166
1,350 x 2,500	102	427	130	142	561	170
1,500 x 3,000	153	579	132	214	761	174
1,700 x 3,000	191	639	128	267	840	168
2,000 x 3,500	308	875	128	430	1,150	168
2,500 x 4,000	663	1,381	137	925	1,815	180
2,500 x 5,500	943	2,019	148	1,317	2,653	195
3,300 x 4,500	1,175	1,884	130	1,640	2,476	171
3,300 x 6,500	1,814	3,015	146	2,532	3,961	191
3,300 x 10,600	3,067	5,257	158	4,281	6,907	208
4,500 x 9,000	4,752	5,747	146	6,633	7,551	192
4,500 x 12,000	6,473	7,984	154	9,037	10,490	202

*Other non-standard sizes can be provided on request.

Drawing & Performance Curve

Construction

Synthetic Tyre Cords
Item	Density [Ends/inch]	Tensile Strength [N/mm²]
Warp	24	20
Weft	2	0.02
Construction of tyre cord layers as adapted from ISO 17357-1:2014.

Outer & Inner Rubber Material Properties Requirements
Test Item	Standard	Required Value
Test Item	Standard	Outer Rubber	Inner Rubber
Before Ageing		Original	Original
Tensile Strength	ISO 37	≥18 Mpa	≥10 Mpa
Elongation	ISO 37	≥400%	≥400%
Hardness	ISO 7619	60 +/- 10	50 +/- 10
After Ageing	ISO 188	Air oven ageing. 70ºc +/- 1℃. 96 h	Air oven ageing. 70ºc +/- 1℃. 96 h
Tensile Strength	ISO 37	Not less than 80% of the original property	Not less than 80% of the original property
Elongation	ISO 37	Not less than 80% of the original property	Not less than 80% of the original property
Hardness	ISO 7619	Not to exceed the original property by more than 8	Not to exceed the original property by more than 8
Tear	ISO 34-1	≥400 N/cm	No requirement
Compression Set	ISO 815	≤30% (70℃ +/-1ºc for 22h )	No requirement
Static Ozone Resistance	ISO 1431-1	No cracks after elongation by 20% and exposure to 50 pphm 1 at 40℃ for 96 h.	No requirement

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