U-Ring Self-centring stainless steel bright 23902-05-10161071511
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Designation
U-Ring
Version 1
Self-centring
Main
material
stainless steel
Surface finish
body
bright
Component
material
EPDM
Component
colour
black
D=outside diameter
16
H=Height
1,5
D1
10,7
D2
8,05
Shore grade
70A
Steel code
1.4301
UNSPSC Code
31161708
for
screw
M10
~ CONFLICT MINERALS 3TG status
no intentional 3TG
~ CP65 substance 2 cancer
nickel (metallic)
~ PFAS free?
yes
~ REACH SVHC-free?
yes
~ RoHS conformity
yes, without exemption
~ TSCA 6(H) conformity
yes
Description
Product description
Self-centring U-rings are axially static sealing elements for use on screw joints, valves, flanges
and hydraulic applications, including simple alignment. 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.
and hydraulic applications, including simple alignment. 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
Flat, undamaged sealing faces are essential for a reliable seal. The maximum permissible surface roughness is Rmax ≤ 15 µm or Ra ≤ 3 µm. A seal can only be guaranteed to function securely and correctly if it is fitted carefully and professionally.
Technical Data
Process pressures:
≤ 100 MPa when fitted into a recess.
≤ 40 MPa when fitted without counterbore by ø < 40 mm.
≤ 25 MPa when fitted without counterbore by ø > 40 mm.
≤ 100 MPa when fitted into a recess.
≤ 40 MPa when fitted without counterbore by ø < 40 mm.
≤ 25 MPa when fitted without counterbore by ø > 40 mm.
Temperature range
NBR: -30°C to +80°C.
EPDM: -40°C to +130°C.
EPDM: -40°C to +130°C.
On request
Further dimensions and materials.
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