Spades and Ring Spacers should be made from a plate or forging specification, approved for use by ASME B31.3, of essentially the same chemical composition as the mating flanges and piping involved
ANSI / ASME B16.48 Spades & Ring Spacers Flanges - China Spades & Ring Spacers, Spade Flange
Spades Ring Spacers Flanges and Stainless Steel Paddle Spacer
Spades Ring Spacers Flanges and Stainless Steel Paddle Spacer
ASME B16.48 Spades & Ring Spacers, Paddle Blank Flange, Paddle Spacer
Spades Ring Spacers Flanges and Stainless Steel Paddle Spacer
ANSI B16.48 ASTM A182 F304 Spacer Ring FF 300 LB 2 Inch
Flanges - ASME B16.5 - Ring-Joint Facings - Dimensions Class 2500
ASME B16.48 Spades & Ring Spacers, Paddle Blank Flange, Paddle Spacer
Spades Ring Spacers Flanges and Stainless Steel Paddle Spacer
ASME B16.48 Spectacle Flange/Spectacle Blind/Paddle Flange/Spades Spacers Dimensions ASTM A234 butt weld pipe fittings,A182 forged pipe fittings,B16.5 weld neck flange,API 5L seamless pipes