TURCON DOUBLE DELTA

Turcon Double Delta is an rubber energised plastic faced seal. The seal is designed to expand and improve the service parameters of O-Rings and is installed in existing O-Ring grooves.

Double Delta combines the flexibility and response of O-Rings with the wear and friction characteristics of the Turcon materials in dynamic applications.

The figures below shows the cross section of the Double Delta. The double acting performance of the seal follows from the symmetrical cross section which allow the seal to respond to pressure in both directions.

Initial contact pressure is provided by radial compression of the O-Ring. When the system pressure is increased the O-Ring transforms this into additional contact pressure, the contact pressure of the seal is thereby automatically adjusted so sealing is ensured under all service conditions.

Notches

Turcon Double Delta is as standard supplied without radial notches, as the thin radial section of the seal gives good response to pressure variations.

For diameters from 8 mm notches on both sides are optional. These ensure direct pressurizing of the seal under all operating conditions.

Advantages

– Compact groove dimensions and simple installation
– Low friction without stick-slip
– Resistance against wear and extrusion
– Rod seals available for all diameters from 2 to 999.9 mm
– Standard cross sections cover AS 568A and important metric O-Rings, other cross sections available on request.
– Fits also groove dimensions per MIL-G-5514F

Application Examples

The Turcon Double Delta is preferably used as a double acting seal for hydraulic and pneumatic equipment in sectors such as:

• Machine tools
• Handling devices
• Manipulators
• Valves
• Chemical process equipments

It is particular recommended for light duty and small diameter applications.

Technical Data

Operating conditions

Pressure: Up to 35 MPa
Velocity: Up to 15 m/s
Temperature: -45_C to +200_C (according to O-Ring material)
Media: Mineral oil,
Non-flammable fluids,
Environmentally safe fluids and
others according to O-Ring material.

Important Note:

The above data are maximum values and cannot be used at the same time. e.g. the maximum operating speed depends on material type, pressure, temperature and gap value.

Standard Application:

For hydraulic components with reciprocating movement in mineral oils containing zinc or medium with good lubricating performance and hard mating surface.

Turcon seal: Turcon T46
Energiser: O-Ring NBR 70 shore A or FKM 70 shore A (depending on the temp.)

Special Application:

Short stroke movements, poor lubricating fluids and
soft mating surfaces.
Turcon seal: Turcon T24

Energiser: O-Ring NBR 70 shore A or FKM 70 shore A (depending on the temp.)

For low friction requirement in dynamic hydraulic components with good lubricating medium:

Turcon seal: Turcon T05

Energiser: O-Ring NBR 70 shore A or FKM 70 shore A (depending on the temp.

Special Application:

Short stroke movements, poor lubricating fluids and
soft mating surfaces.

Turcon seal: Turcon T24
Energiser: O-Ring NBR 70 shore A or FKM 70 shore A (depending on the temp.)

For low friction requirement in dynamic hydraulic components with good lubricating medium:

Turcon seal: Turcon T05
Energiser: O-Ring NBR 70 shore A or FKM 70 shore A (depending on the temp.)

For specific applications other material combinations as listed may also be used. Please contact your local Busak+Shamban Company.

Material for the seal set:

Example: T05 plus FKM – O-Ring T05V
T46 plus NBR – O-Ring T46N

 

Material, Applications, Properties	Code	O-Ring Material	Code	O-Ring  Operating Temp.* °C	Mating Surface Material	MPa max.
Turcon T46 Standard material for hydraulics, high compressive strength, good sliding and wear properties, good extrusion resistance, BAM tested. Bronze filled Colour: Greyish to dark brown	T46	NBR – 70 Shore A	N	-30 to +100	Steel, hardened S eel, chromepla ed Cast iron	35
		NBR – Low temp. 70 Shore A	T	-45 to +80
		FKM – 70 Shore A	V	-10 to +200
Turcon T24 For all lubricating and non-lubricating fluids, soft mating surfaces. Carbon filled Colour: Black	T24	NBR – 70 Shore A	N	-30 to +100	Steel Steel, chromeplated Cast iron Stainless steel Aluminium Bronze	25
		NBR – Low temp. 70 Shore A	T	-45 to +80
		FKM – 70 Shore A	V	-10 to +200
		EPDM – 70 Shore A	E**	-45 to +145
Turcon T05 For all lubricating hydraulic fluids, hard mating surfaces, very good sliding properties, low friction. Colour: Turquoise	T05	NBR – 70 Shore A	N	-30 to +100	Steel, hardened Steel, chromeplated	20
		NBR – Low temp. 70 Shore A	T	-45 to +80
		FKM – 70 Shore A	V	-10 to +200

 

Ordering example

Turcon Double Delta, complete with O-Ring, standard range, series RDD3 (from Table),
Rod diameter: dN = 80.0 mm
Part No.: RDD300800 (from Table)

Select the material from Table. The corresponding code numbers are appended to the Part No. (from Table). Together they form the Order No. For all intermediate sizes not shown in Table XLVI, the Order No. can be determined from the example opposite.

 

Rod Diame- ter	Groove Diame- ter	Groove Width	Part No.	O-Ring Sizes
dN h9	D1 H9	L1 +0.2
3,0	5,9	2,4	RDD000030	2.90 x 1.78
4,0	6,9	2,4	RDD000040	3.68 x 1.78
5,0	7,9	2,4	RDD000050	4.87 x 1.80
6,0	8,9	2,4	RDD000060	6.07 x 1.78
8,0	10,9	2,4	RDD000080	7.65 x 1.78
10,0	14,5	3,6	RDD100100	10.77 x 2.62
12,0	16,5	3,6	RDD100120	12.37 x 2.62
14,0	18,5	3,6	RDD100140	13.94 x 2.62
15,0	19,5	3,6	RDD100150	15.0 x 2.65
16,0	20,5	3,6	RDD100160	17.12 x 2.62
18,0	22,5	3,6	RDD100180	18.72 x 2.62
20,0	26,2	4,8	RDD200200	20.22 x 3.53
22,0	28,2	4,8	RDD200220	21.82 x 3.53
25,0	31,2	4,8	RDD200250	25.00 x 3.53
28,0	34,2	4,8	RDD200280	28.17 x 3.53
30,0	36,2	4,8	RDD200300	31.35 x 3.53
32,0	38,2	4,8	RDD200320	32.92 x 3.53
35,0	41,2	4,8	RDD200350	36.09 x 3.53
36,0	42,2	4,8	RDD200360	36.09 x 3.53
40,0	49,4	7,1	RDD300400	40.64 x 5.33
42,0	51,4	7,1	RDD300420	43.82 x 5.33
45,0	54,4	7,1	RDD300450	46.99 x 5.33
48,0	57,4	7,1	RDD300480	46.99 x 5.33
50,0	59,4	7,1	RDD300500	50.17 x 5.33
52,0	61,4	7,1	RDD300520	53.34 x 5.33
55,0	64,4	7,1	RDD300550	56.52 x 5.33
56,0	65,4	7,1	RDD300560	56.52 x 5.33
60,0	69,4	7,1	RDD300600	59.69 x 5.33
63,0	72,4	7,1	RDD300630	62.87 x 5.33
65,0	74,4	7,1	RDD300650	66.04 x 5.33
70,0	79,4	7,1	RDD300700	72.39 x 5.33
80,0	89,4	7,1	RDD300800	81.92 x 5.33
85,0	94,4	7,1	RDD300850	85.09 x 5.33
90,0	99,4	7,1	RDD300900	91.44 x 5.33
95,0	104,4	7,1	RDD300950	97.79 x 5.33
100,0	109,4	7,1	RDD301000	100.97 x 5.33
105,0	114,4	7,1	RDD301050	107.32 x 5.33
110,0	119,4	7,1	RDD301100	110.49 x 5.33

115,0	124,4	7,1	RDD301150	116.84 x 5.33
120,0	132,2	9,5	RDD401200	120.02 x 7.0
125,0	137,2	9,5	RDD401250	126.37 x 7.0
130,0	142,2	9,5	RDD401300	132.72 x 7.0
135,0	147,2	9,5	RDD401350	135.89 x 7.0
140,0	152,2	9,5	RDD401400	142.24 x 7.0
150,0	162,2	9,5	RDD401500	151.77 x 7.0
160,0	172,2	9,5	RDD401600	164.47 x 7.0
170,0	182,2	9,5	RDD401700	170.82 x 7.0
180,0	192,2	9,5	RDD401800	183.52 x 7.0
190,0	202,2	9,5	RDD401900	189.87 x 7.0
200,0	212,2	9,5	RDD402000	202.57 x 7.0
210,0	222,2	9,5	RDD402100	215.27 x 7.0
220,0	232,2	9,5	RDD402200	227.97 x 7.0
230,0	242,2	9,5	RDD402300	227.97 x 7.0
240,0	252,2	9,5	RDD402400	240.67 x 7.0
250,0	262,2	9,5	RDD402500	253.37 x 7.0
280,0	292,2	9,5	RDD402800	291.47 x 7.0
300,0	312,2	9,5	RDD403000	304.17 x 7.0
320,0	332,2	9,5	RDD403200	329.57 x 7.0
350,0	362,2	9,5	RDD403500	354.97 x 7.0
360,0	372,2	9,5	RDD403600	367.67 x 7.0
400,0	412,2	9,5	RDD404000	405.26 x 7.0

 

Special Turcon Double Delta

Turcon Double Delta for one Back-up Ring grooves

Double Delta is available for designs where grooves for O-Ring with one Back up Ring are used according to Table.

Turcon Double DeltaR for Metric O-Rings

Double Delta is available for installation in grooves for metric O-Rings as listed in Table.

Ordering Example

Double Delta complete with NBR O-Ring
Rod diameter: dN = 80 mm
Groove diameter: 89.4 mm
Groove width: 8.5 mm.
Order No:. RDA300800-T05N