Cylindrical Fender

Your Professional Cylindrical Fender Supplier

Qingdao Luhang Ship Airbag Fender Co., Ltd. is a high-tech enterprise that integrates scientific research and design, product development, sales, and technical services.

We are a professional manufacturer of SPUA Coated and EVA Foam Filled Fenders,Pneumatic Rubber Fenders,Solid Rubber Fenders,Marine buoy, Deep Sea Floating Material, Marine Airbag and A variety of Rubber Airbags.

Cylindrical Rubber Fender

Why Choose us

Excellent Team

We have an excellent R&D and technical team that has been conducting diving research for many years and currently has more than 100 national patents.

Rich Experience

We have been dedicated to the research and development of marine airbags and fenders for over 30 years.

Strong Strength

Equipped with advanced manufacturing equipment and a rigorous quality control system, we provide high-quality products and after-sales service, which have been widely recognized by both domestic and international customers.

Parameter

Cylindrical Type Rubber Fender
Size and specification						Reaction				Energy
Outer dia		Inner dia		Weight		G2		G4		G2		G4
in.	mm	in.	mm	Lb/ft	kg/m	kips	kN	kips	kN	ft-kips	kN	ft-kips	kN
6	150	3	75	11	16	9.89	44	16.4	73	1.11	1.5	1.7	2.3
8	200	4	100	26	39	13.5	60	21.4	95	1.92	2.6	3.1	4.2
10	250	5	125	31	46	16.9	75	27	120	2.95	4	4.79	6.5
12	300	6	150	44	66	20	89	32.1	143	4.42	6	6.63	9
14	350	7	175	60	90	23.4	104	37.5	167	5.90	8	9.58	13
16	400	8	200	79	118	26.8	119	42.9	191	7.37	10	12.5	17
20	500	10	250	124	184	33.3	148	53.7	239	11.8	16	19.2	26
24	600	12	300	178	265	40.2	179	64.3	286	17.7	24	27.3	37
28	700	14	350	243	361	46.8	208	75.1	334	22.8	31	36.9	50
32	800	16	400	317	471	53.3	237	86.1	383	30.2	41	48.6	66
36	900	18	450	401	596	60.3	268	96.7	430	38.3	52	61.9	84
40	1000	20	500	495	736	66.8	297	108	479	47.2	64	75.9	103
44	1100	22	550	598	890	74.4	331	119	528	56.7	77	95.1	129
48	1200	24	600	712	1060	81.6	363	129	574	70.0	95	112	152
52	1300	26	650	836	1244	88.1	392	140	623	79.6	108	132	179
56	1400	28	700	969	1442	94.9	422	151	670	94.3	128	153	208
60	1500	30	750	1113	1656	101	451	161	718	108	147	175	238
64	1600	32	800	1266	1884	108	481	174	776	130	176	208	282
68	1700	34	850	1430	2127	115	511	185	824	152	206	249	338
72	1800	36	900	1602	2384	122	541	196	872	182	247	299	406
76	1900	38	950	1786	2657	128	570	207	920	212	288	359	487
80	2000	40	1000	1979	2944	147	653	237	1054	238	321	430	584

Benefits of Cylindrical Fender

Durability
Cylindrical fenders are known for their long service life. Their simple, robust rubber construction withstands harsh marine environments—including salt spray, sun exposure, and fluctuating temperatures—without significant degradation. When properly maintained, cylindrical fenders can serve for many years, reducing replacement costs and downtime.

Cost-Effectiveness
Compared to more complex fender systems like cone or arch types, cylindrical fenders are highly affordable both in initial purchase price and ongoing maintenance. Their straightforward design requires less manufacturing complexity and fewer installation components, translating to savings for port operators.

Simplicity
Cylindrical fenders are easy to install, replace, or adjust as berth conditions change. This simplicity means less time spent on maintenance and faster turnaround during repairs or upgrades, keeping port operations running smoothly.

Performance Across Vessel Sizes and Conditions
Despite their basic design, cylindrical fenders provide reliable protection for a wide range of vessels—from small fishing boats and tugboats to medium-sized cargo ships and barges. They can effectively handle berthing energies in low to medium tidal zones, making them ideal for various maritime applications.

factory direct cylindrical rubber fender

Application of Cylindrical Fender

Small Ports and Fishing Harbors
Smaller ports often have budget constraints and a variety of vessel types. Cylindrical fenders provide a durable and affordable solution, protecting wooden piers and simple quay walls from daily berthing impacts.

Wharf and Quay Walls in Low to Medium Tidal Zones
In tidal zones where water level changes are moderate, cylindrical fenders offer consistent protection by cushioning vessels during docking. Their ability to absorb shocks from varying vessel sizes makes them suitable for these common berthing points.

Tugboats and Workboats
Tugboats and other workboats frequently come alongside larger vessels and docks. Cylindrical fenders mounted on their hulls protect both the tugboats and the vessels they assist by absorbing contact forces during pushing or pulling maneuvers.

Barge Berths, Pontoons, and Private Docks
Many private docks, barge mooring points, and floating pontoon berths use cylindrical fenders due to their ease of installation and good energy absorption. Floating versions can be attached to pontoons to provide protective buffers.

Logistics

We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc.

1. The time frame of an order delivery is divided into two parts:
Processing time: 7-14 Days
Shipping time: 20~30 Days
2. Shipping methods: DDP, DAP, EXW, etc.
3. Shipping fee:The shipping fee will be changed according to every pacel's weight.

Certificate

FAQ

Q: What are cylindrical fenders?

A: Cylindrical fenders are solid‑rubber tubes installed horizontally or vertically to absorb docking impact, providing even energy distribution and low reaction force.

Q: How are cylindrical fenders installed?

A: They can be hung with chains through a hollow core, bolted with ladder brackets, or suspended on bars, depending on size; smaller fenders use chain rigs, while larger ones often require brackets.

Q: Why choose cylindrical marine fenders?

A: They offer a high energy absorption-to-reaction-force ratio, resist abrasion and UV, and are available in diameters from around 150 mm to over 2 700 mm—meeting diverse ship and berth needs.

Q: What is the difference between cylindrical and D‑type fenders?

A: Cylindrical fenders are round tubes offering uniform energy absorption, ideal for varying ship sizes. D‑type fenders (flat on one side) provide more energy absorption per volume and are often used on vessels’ hulls.

Q: Can cylindrical fender be used on tugboats?

A: Yes. Many tugboats, especially smaller ones, use cylindrical bow/stern fenders due to their compact size and linear impact absorption.

Q: How long do rubber fenders last?

A: With durable materials and good installation, rubber fenders typically last 10–20 years, even in harsh saltwater environments.

Q: Do fenders reduce hull pressure?

A: Absolutely — cylindrical fenders distribute impact forces evenly across their surface, lowering hull pressure and lessening dent risk.

We're well-known as one of the leading cylindrical fender manufacturers and suppliers in China. If you're going to buy customized cylindrical fender, welcome to get pricelist and quotation from our factory. For price consultation, contact us.

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