Flange adaptor + backing ring 2-1/2" - winwinpoolshop
HDPE Stub End with Backing Ring for PE Pipe - China Socket Butt-Type PE Flange and Stub Flange
Backing Rings A.N.S.I. 150#
Weld Backing / Chill Rings - Imperial Weld Ring Corp., Elizabeth, NJ
4" DIPS Ductile Iron Backing Ring - Hdpe Supply
Backing Ring
HDPE Stub End with Backing Ring for PE Pipe - China Socket Butt-Type PE Flange and Stub Flange
Plate Steel Backing Rings – IMPROVED PIPING PRODUCTS. INC. : Makers of the Deltaflex Pipe Flange
Stainless Steel Backup Ring – 1″ to 22″ – IMPROVED PIPING PRODUCTS. INC. : Makers of the Deltaflex Pipe Flange
HDPE Poly Stub Flanges and Backing Rings by Matrix Piping Systems
Stub Flange with Galvanised Backing Ring - Welded - Polymaster
China ASTM /ISO Standard Customizable / Nylon Coated /Galvanized Backing Ring Steel Flange Adapter Flange Plate Manufacture and Factory | CHUANGRONG
Weld Backing / Chill Rings - Imperial Weld Ring Corp., Elizabeth, NJ
Loose Backing Flanges | Mill-Pro
Stainless Steel Backing Ring | ANSI 150 – Fusion QLD Pty Ltd
PP-FRP black backing ring ANSI - AGRU
Stainless Steel Backing Ring 50mm Table D/E | AC Pools
Stainless or Galvanised Metal Backing Rings - Acu-Tech Piping Systems
Backing Rings – wtti_store
China ASTM Ductile Iron Backing Ring for HDPE Flange Adaptors Photos & Pictures - Made-in-china.com
File:Flange Adapter and Back-up Ring.png - Wikimedia Commons
Pipe Backing Rings- Fit, Tack and Weld! - YouTube
Weld Backing Rings | Consumable Weld Inserts | Weld Test Coupons - Imperial Weld Ring Corp., Elizabeth, NJ
ANSI / ASME B16.5 Backing Ring Flanges Manufacturer, Backing Ring Flange Dimensions
