Pi Type Rubber Fender

Pi Type Rubber Fender

Description:

A Pi Type Rubber Fender is a specialized marine fender designed to absorb and dissipate the kinetic energy generated during vessel-to-vessel or vessel-to-dock collisions. It is named after its distinctive shape, which resembles the Greek letter "π" (pi). This type of fender is widely used in various maritime applications, including ports, harbors, docks, and offshore structures.
Pi Type Rubber Fenders are typically made from high-quality rubber compounds that exhibit excellent durability, elasticity, and resistance to wear and tear. They are engineered to withstand heavy impact loads and provide reliable protection to both the vessel and the structure they are installed on.
The fender consists of a cylindrical body with two semi-circular loops or wings protruding from each end, forming the pi shape. These wings enhance the fender's overall energy-absorbing capacity by providing additional surface area for contact during collisions. The curved shape also helps distribute the impact forces evenly across the fender, minimizing localized stress concentrations.
The design of the Pi Type Rubber Fender allows it to effectively absorb and dissipate the kinetic energy of the colliding vessel, reducing the transmitted forces to acceptable levels. This helps prevent damage to the vessel and the berthing structure, ensuring safe and efficient operations in marine environments.
Pi Type Rubber Fenders are available in various sizes and configurations to suit different berthing requirements. They can be installed horizontally or vertically, depending on the specific application and design considerations. The fenders are typically secured to the structure using chains, bolts, or other appropriate methods to ensure proper alignment and stability.

Drawing of Pi Type Rubber Fender:

Specification of Pi Type Rubber Fender for Reference:

Form 1-1:

Size	H (mm)	K (mm)	M (mm)	N (mm)	S (mm)	S1 (mm)
Π600	600	500	370	65	1500	500
Π800	800	600	460	70	1700	500
Π1000	1000	700	550	75	2000	600
Π1250	1250	800	650	75	2450	850
Π1400	1400	900	730	85	2700	900
Π1700	1700	1050	860	95	3150	1050
Π2000	2000	1200	1000	100	3700	1300
Π2250	2250	1350	1150	100	4000	1300
Π2500	2500	1400	1200	100	4400	1600

Form 1-2:

Size	L=1000mm			L=1500mm			L=2000mm			L=2500mm
	P	n	Q	P	n	Q	P	n	Q	P	n	Q
Π600, Π800, Π1000, Π1250, Π1400, Π1700, Π2000	700	1	150	600	2	150	850	2	150	700	3	200
Π2250	600	1	200	550	2	200	800	2	200	700	3	200
Π2500	600	1	200	550	2	200	800	2	200	-	-	-

Drawing of Steel Frontal Panel for Rubber Fender:

Specification of Steel Frontal Panel for Rubber Fender:

Specification	Performance	H (mm)	W (mm)	L (mm)
Π600	P4	182	1500	Fender Length+500
	P3	182
	P2	157
	P1	157
Π800	P4	210	1500
	P3	182
	P2	182
	P1	182
Π1000	P3	210	2000
	P2	210
	P1	182
Π1250	P3	260	2500
	P2	235
	P1	235
Π1400	P3	310	2500
	P2	310
	P1	260
Π1700	P3	310	3000
	P2	310
	P1	310
Π2000	P3	310	3500
	P2	310
	P1	310
Π2250	P3	367	4000
	P2	310
	P1	310
Π2500	P3	367	4500
	P2	367
	P1	310

Drawing of Face Pad for Rubber Fender:

All the specification are just for your reference, please contact us to customize the size you need.

Installation of Pi Type Rubber Fender:

Energy Absorption and Reaction Force Performance:

Spec.	Compre -ssion %	Fender length per meter								Tolerance
		P1		P2		P3		P4
		Reaction Force kN	Energy Absorb kJ	Reaction Force kN	Energy Absorb kJ	Reaction Force kN	Energy Absorb kJ	Reaction Force kN	Energy Absorb kJ
Π600	50	323.4	74.5	388.1	89.2	452.8	103.9	485.1	110.7	±10
Π800		431.2	131.2	517.4	157.8	603.7	184.2	646.8	198.0
Π1000	52.5	539.0	223.4	646.8	268.5	754.6	312.6	808.5	335.2
Π1250		674.2	348.9	808.5	419.4	943.7	489.0	1010.4	523.3
Π1400		754.6	438.1	905.5	525.3	1056.4	613.5	1131.9	656.6
Π1700		916.3	645.8	1099.2	775.2	1282.8	903.6	1374.9	968.2
Π2000		1078.0	893.8	1293.6	1072.1	1509.2	251.5	1617.0	1340.6
Π2250		1213.2	1130.9	1455.3	1357.3	1698.3	1582.7	1818.9	1696.4
Π2500		1347.5	1396.5	1617.0	1676.8	1886.5	1955.1	2021.7	2095.2

Introduction:

It’s one kind modular fender used with frontal panel and face pad. The frontal panel of Pi type rubber fender is made by steel, the material of face pad could be UHMW-PE, Nylon, Rubber. This kind of fender have a highly efficient geometry, can be provided highly energy absorption with a low reaction force. Pi type rubber fender can be installed horizontally or vertically, it is convenient to maintain.

Features:

. Pi type rubber fender has larger rated compression, higher energy absorption which can raise 10% or so than Super Arch Type Rubber Fender;
. Pi type rubber fender is easy to install, can adopt installation of horizontal, vertical and combination. Can be met the requirement of different docks;
. The face pad can be made by UHMW-PE, nylon and rubber, it can reduce the surface pressure between fender and ship hull;
. Can be adjusted the span between two supporting arms. The arms can compose each other.

Pi Type Rubber Fender in Factory: