PART III: THE CX PRODUCTION PROGRAMME
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348
5. U-type sealing rings
INDEX STRUCTURE
Index start
dxbxh dimensions
Material
Type
CU
3x4x4
NBR
U1
CU - U1 type sealing ring
5
5.1
NBR – nitrile rubber
ACM – acrylic rubber
MQ – silicone rubber
AU – urethane rubber
FPM – fluorinated rubber
EPDM – ethylene and propylene rubber
U1
U2
UN s
UN z
UN w
U1 type
U2 type
symmetrical UN type
external UN type
internal UN type
U-TYPE SEALING RINGS
U - U1 type
5.2
U - U2 type
h
d
D
d
b
h
Type identification: U1
5.3
Type identification: U2
U - UN type
5.4
U - U6 type
h
d
h
D
D
d
h
h
Type identification: UN
d
D
D
d
D
d
h
Type identification: typu: U6
349