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Designation
U-Ring
Main
material
steel
Surface finish
body
galvanised
Component
material
nitrile rubber
Component
colour
black
D=outside diameter
13
H=Height
1
D1
8,7
Shore grade
70A
Steel code
1.0330
for
screw
M8
~ CONFLICT MINERALS 3TG status
no intentional 3TG
~ CP65 substance 2 cancer
soots, tars, and mineral oils
~ PFAS free?
yes
~ REACH SVHC-free?
yes
~ RoHS conformity
yes, without exemption
~ TSCA 6(H) conformity
yes
Description
Product description
U-rings are axially static sealing elements for
use in screw joints, valves, flanges
and hydraulic applications. They consist of a metal ring with a vulcanised-on, trapezoidal elastic sealing bead. When the fastener is tightened, the elastic sealing bead is compressed between the two flat surfaces. The thickness of the metal ring limits the maximum compression of the seal. When additional pressure is applied to the sealing point, the sealing bead is pressed further against the flat surfaces, thereby further enhancing the sealing effect.
U-rings are not suitable for use as thread locks.
use in screw joints, valves, flanges
and hydraulic applications. They consist of a metal ring with a vulcanised-on, trapezoidal elastic sealing bead. When the fastener is tightened, the elastic sealing bead is compressed between the two flat surfaces. The thickness of the metal ring limits the maximum compression of the seal. When additional pressure is applied to the sealing point, the sealing bead is pressed further against the flat surfaces, thereby further enhancing the sealing effect.
U-rings are not suitable for use as thread locks.
Material
Steel version:
Washer steel 1.0330.
Elastomer NBR, Shore 70A.
Stainless steel version:
Washer stainless steel 1.4301.
Elastomer EPDM, Shore 70A, FDA-compliant.
Version
Steel version
Washer steel 1.0330, electro zinc-plated.
Elastomer NBR, black.
Stainless steel version:
Washer stainless steel $s14301bright.
Elastomer EPDM, black.
Note
Pour garantir une étanchéité fiable, les surfaces d’étanchéité doivent être planes et en bon état. La rugosité de surface maximale admissible est Rmax ≤ 15 µm ou Ra ≤ 3 µm. Seul un montage soigné et réalisé dans les règles de l’art permet de garantir un fonctionnement sûr et sans faille du joint.
Données techniques
Pressions de service :
≤ 100 MPa en cas d’installation encastrée.
≤ 40 MPa en cas d’installation non encastrée avec ø < 40 mm.
≤ 25 MPa en cas d’installation non encastrée avec ø > 40 mm.
≤ 100 MPa en cas d’installation encastrée.
≤ 40 MPa en cas d’installation non encastrée avec ø < 40 mm.
≤ 25 MPa en cas d’installation non encastrée avec ø > 40 mm.
Plage de température
NBR : de -30 °C à +80 °C.
EPDM : de -40 °C à +130 °C.
EPDM : de -40 °C à +130 °C.
Sur demande
Autres dimensions et matériaux.
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