Arch Fenders

Features

Construction: DockGuard Arch Fenders (‘DGA’ Fenders) are moulded from a choice of rubber compounds, each of which delivers different characteristics. The choice of compound is made based on the design specification and the specific requirements of the application. They are manufactured using a twin leg system and can be mounted horizontally or vertically on a quay wall. The front face has a high friction factor that is ideal for smaller vessels where friction is not a problem.

The normal compression is 52.5% of the fender’s height, which defines its rated energy and reaction. Maximum compression is 55%.

Key Benefits

Simple in both design and installation, the ‘DGA’ Fender is an economic alternative to a system type fender. It has the advantage of a high friction face to limit vessel movement. They are very durable, require no maintenance and, as with all DockGuard’s rubber based products, they are produced from good quality marine compounds which are highly resistant to the effects of ozone degradation, UV radiation and water borne oil pollution. They are available in a standard range of popular sizes from 150mm high to 1000mm high.

Applications

Berthing for a wide range of smaller vessels such as… general cargo; workboats; barges and tugs. Also suitable for RoRo ferries and bridge and tower protection.

Arch Fender Physical Properties

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Fender	H	A	B	C	D	Bolts	E	F	G	Kgs
DGA150	150	240	675	1575	98	6XM20	23	1500	300	38
DGA200	200	320	680	1600	130	6XM24	35	1500	400	62
DGA250	250	410	680	1625	164	6XM24	27	1500	500	88
DGA300	300	490	685	1650	225	6XM30	33	1500	600	120
DGA400	400	670	700	1700	300	6XM36	40	1500	800	200
DGA500	500	840	715	1750	375	6XM42	45	1500	1000	310
DGA600	600	1010	730	1800	450	6XM48	54	1500	1200	455
DGA800	800	1340	770	1990	600	6XM56	72	1500	1600	820
DGA1000	1000	1680	800	2000	750	6XM56	90	1500	2000	1275

All dimensions in mm. All weights in Kgs per 1000mm length.

Arch Fender Performance

Leg Fender Energy and Reaction Graph

D*= Rated Deflection
R = Reaction KN
E = Energy KNm
D = Deflection %
T = Tolerance +/- 10%

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Energy Reaction		DGA 150	DGA 200	DGA 250	DGA 300	DGA 400	DGA 500	DGA 600	DGA 800	DGA 1000
D1.0	E	4	6	16	22	40	62	89	159	248
	R	50.6	76	148	177	236	295	354	472	590
D1.1	E	4.2	6.4	16.6	23	41.7	64.6	92.7	165.6	258.3
	R	53.1	80.9	154.1	184.4	245.8	307.3	368.7	491.6	614.5
D1.2	E	4.4	6.8	17.2	23.9	43.3	67.1	96.4	172.1	268.8
	R	55.7	85.8	160.2	191.7	255.6	319.5	383.3	511.2	639
D1.3	E	4.6	7.2	17.8	24.9	45	69.7	100.1	178.7	278.9
	R	58.2	90.7	166.3	199.1	265.4	331.8	398	530.8	663.5
D1.4	E	4.8	7.6	18.4	25.8	46.6	72.2	103.8	185.2	289.2
	R	60.7	95.6	172.4	206.4	275.2	344	412.6	550.4	688
D1.5	E	5	8	19	26.8	48.3	74.8	107.5	191.8	299.5
	R	63.2	100.5	178.5	213.8	285	356.3	427.3	570	712.5
D1.6	E	5.2	8.4	19.6	27.7	49.9	77.3	111.2	198.3	309.8
	R	65.8	105.4	184.6	221.1	294.8	368.5	441.9	589.6	737
D1.7	E	5.4	8.8	20.2	28.7	51.6	79.9	114.9	204.9	320.1
	R	68.3	110.3	190.7	228.5	304.6	380.8	456.6	609.2	761.5
D1.8	E	5.6	9.2	20.8	29.6	53.2	82.4	118.6	211.4	330.4
	R	70.8	115.2	196.8	235.8	314.4	393	471.2	628.8	786
D1.9	E	5.8	9.6	21.4	30.6	54.9	85	122.3	218	340.7
	R	73.3	120.1	202.9	243.2	324.2	405.3	485.9	648.4	810.5
D2.0	E	6	10	22	31.5	56.5	87.5	126	224.5	351
	R	75.9	125	209	250.5	334	417.5	500.5	668	835
D2.1	E	6.2	10.4	22.6	32.5	58.2	90.1	129.7	231.1	361.3
	R	78.4	129.9	215.1	257.9	343.8	429.8	515.2	687.6	859.5
D2.2	E	6.4	10.8	23.2	33.4	59.8	92.6	133.4	237.6	371.6
	R	80.9	134.8	221.2	265.2	353.6	442	529.8	707.2	884
D2.3	E	6.6	11.2	23.8	34.4	61.5	95.2	137.1	244.2	381.9
	R	83.4	139.7	227.3	272.6	363.4	454.3	544.5	726.8	908.5
D2.4	E	6.8	11.6	24.4	35.3	63.1	97.7	140.8	250.7	392.2
	R	86	144.6	233.4	279.9	373.2	466.5	559.1	746.4	933
D2.5	E	7	12	25	36.3	64.8	100.3	144.5	257.3	402.5
	R	88.5	149.5	239.5	287.3	383	478.8	573.8	766	957.5
D2.6	E	7.2	12.4	25.6	37.2	66.4	102.8	148.2	263.8	412.8
	R	91	154.4	245.6	294.6	392.8	491	588.4	785.6	982
D2.7	E	7.4	12.8	26.2	38.2	68.1	105.4	151.9	270.4	423.1
	R	93.5	159.3	251.7	302.0	402.6	503.3	603.1	805.2	1006.5
D2.8	E	7.6	13.2	26.8	39.1	69.7	107.9	155.6	276.9	433.4
	R	96.1	164.2	257.8	309.3	412.4	515.5	617.7	824.8	1031
D2.9	E	7.8	13.6	27.4	40.1	71.4	110.5	159.3	283.5	443.7
	R	98.6	169.1	263.9	316.7	422.2	527.8	632.4	844.4	1055.5
D3	E	8	14	28.0	41	73	113	163	290	454
	R	101.1	174	270	324	432	540	647	864	1080