Back-up Rings
Size Range
SDR 7
2" to 14" IPS
4" to 12" DIPS
SDR 11
4" to 12" IPS
4" to 12" DIPS
Downloads
Catalog
Features
Expoxy coated ductile iron
ANSI/ASA CLASS 150# bolt pattern
Suitable for HDPE piping systems
SDR 7
2" to 14" IPS
4" to 12" DIPS
SDR 11
4" to 12" IPS
4" to 12" DIPS
Catalog
Expoxy coated ductile iron
ANSI/ASA CLASS 150# bolt pattern
Suitable for HDPE piping systems