DH04

Description

None

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

Application

None

Materials

None

TECHNICAL DATA

TECHNICAL DATA

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

MATERIALS

NONE

Polyurethane is a material that has the elastic properties of rubber. The proportion in its composition (diisocyanate, polyol, chain extender) is determined by its properties. This material is characterised by a strong mechanical resistance, good wear resistance, high elastic modulus, good flexibility and a very good ozone and oxidation resistance.

Chemical resistance Pure aliphatic hydrocarbons (propane, butane)
Mineral oils and greases
Silicone oils and greases
Water up to +50°C
Compatibility issue Ketones, esters, ethers, alcohols and glycols
Hot water, steam, alkalis, amines and acids
Temperature range -30°C/+90°C
-30°C / +110°C with our PUHT (short term peak at 150°C)

NONE

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

ItemInternal Diameter (d)Outside Diameter (D)tHeight (h)Height (H)
DH-0412182.552.5
DH-0414202.552.5
DH-0416243.874
DH-0418263.874
DH-041826474
DH-042028474
DH-042230474
DH-042533474
DH-042836474
DH-043038474
DH-043240474
DH-043543474
DH-043644474
DH-043846474
DH-044048474
DH-044250474
DH-044553474
DH-045058474
DH-045563474
DH-046068474
DH-046573474
DH-047078474
DH-047583474
DH-048088474
DH-048593474
DH-049098474
DH-04100108474
DH-04105113474
DH-041601725.5105.5
DH-042302456.5136.5