TCV

Description

High-performing, double acting compact piston seal composed of a profiled rubber ring, two polyurethane back-up rings and two POM back-up rings.
Good sealing effect.
Excellent extrusion & wear resistance.
Reliable sealing for significant and sudden pressure variations.
Assembly in closed groove, reduced machined costs.

* High resistance to gap extrusion.
* Particularly strong wear resistance.
* Insensitivity to shock loads and pressure peaks.

Application

Agriculture
Mobile machinery
Hydraulic cylinders

Materials

Polyurethane (PU) + Nitrile Rubber (NBR)

Category:HIGH PRESSURE SEALS

TECHNICAL DATA

Temperature	None -35°C/+90°C
Pressure	None 50 MPa
Speed	None 0.5 m/s
Medias	None Mineral hydraulic oils

MATERIALS

FKM

Depending on their structure and fluorine content, the chemical resistance and resistance to the cold in fluororubbers can vary. This FKM-based rubber is very often used for high-temperature hydraulics and pneumatics, for industrial valves, injection/fuel systems, motor seals and high-vacuum systems.

Chemical resistance	Mineral oils and greases, ASTM n°1, IRM 902 and IRM 903 oils. Fire-resistant liquids (HFD) Silicone oils and greases Mineral and vegetable oils and greases Aliphatic hydrocarbons (propane, butane, petroleum) Aromatic hydrocarbons (benzene, toluene) Chlorinated hydrocarbons (trichlorethylene) Fuel (including high alcohol content) Atmospheric and ozone agents
Compatibility issue	Glycol-based brake fluids. Ammonia gas. Organic acids with a low molecular weight (formic and acetic acids)
Temperature range	-20°C / +200°C (short-term peak at +230°C) -40°C / +200°C with particular FKMs

NBR

Nitrile rubber (NBR) is the general term for acrylonitrile-butadiene copolymer. The ACN content can vary between 18% and 50%. While the acrylonitrile content is important, the resistance to oil and fuel is more so. Conversely, the elasticity and compression set are not as good. The NBR has good mechanical properties and good wear resistance. However, its resistance to atmospheric agents and the ozone is relatively low.

Chemical resistance	Aliphatic hydrocarbons (propane, butane, petroleum, diesel fuel) Mineral oils and greases Fire-resistant fluids (HFA, HFB and HFC) Diluted acids, low-temperature alkaline and saline solutions Water (up to +100°C max)
Compatibility issue	Fuels with high aromatic content Aromatic hydrocarbons (benzene) Chlorinated hydrocarbons (trichlorethylene) Polar solvents (ketone, acetone, acetic acid, ethylene-ester) Strong acids Glycol-based brake fluids Atmospheric and ozone agents
Temperature range	-25°C/+100°C

DIMENSION - TCV vtype NBR

Item	Internal Diameter (d)	Outside Diameter (D)	Width (b)
AP 0090 EO	7	20	7
AP 0145 EO	8	18	7
AP 0158 FO	8	22	7
AP 0279 EO	10	25	7
AP 0382 EO	12	25	7
AP 0478 EO	13	28	7
AP 0526 EO	14	28	7
AP 0598 AO	15	30	7
AP 0687 FO	16	30	7
AP 0760 EO	17	35	8
AP 0829 E0	18	35	8
AP 0875 EO	19	35	8
AP 0997 EO	20	32	8
AP 1033 AO	30	40	11
AP 1127 EO	22	35	8
AP 1148 EO	22	42	11
AP 1224 EO	23	42	11
AP 1260 EO	24	40	8
AP 1314 HO	25	40	8
AP 1338 AO	25	45	11
AP 1474 FO	26	42	8
AP 1518 FO	27	47	11
AP 1563 KO	28	48	11
AP 1665 EO	30	42	7
AP 1709 AO	30	50	11
AP 1904 GO	32	52	11
AP 1978 FO	34	54	11
AP 2085 AO	35	55	11
AP 2240 AO	38	58	11
AP 2388 AO	40	62	11
AP 2507 GO	42	65	12
AP 2668 AO	45	68	12
AP 2791 FO	48	70	12
AP 2864 AO	50	72	12
AP 2967 FO	52	75	12
AP 3055 GO	55	78	12
AP 3154 EO	58	80	12
AP 3222 GO	60	82	12
AP 3297 FO	62	85	12

DIMENSION - TCV vtype FKM

Item	Internal Diameter (d)	Outside Diameter (D)	Width (b)
AP 0279 G1	10	25	7
AP 0598 F3	15	30	7
AP 1033 H3	20	40	11
AP 1338 G4	25	45	11
AP 1563 12	28	48	11
AP 1709 G3	30	50	11
AP 2085 H2	35	55	11
AP 2240 H2	38	58	11
AP 2388 F2	40	62	11
AP 2668 HO	45	68	12
AP 2864 JO	50	72	12



HYDRAULIC PARTS	UNITED ENGINE PARTS
ENG SOON GROUP, SINCE 1972