3 1/2 inch class 150 merchant steel full coupling
3 1/2 inch NPT mechant steel full coupling, Class 150, Internal Thread X Internal Thread
3 1/2 inch NPT mechant steel full coupling, Class 150, Internal Thread X Internal Thread
3 1/2 inch NPT weld on mechant steel half coupling, Class 150, Internal Thread X Butt Weld
3 inch NPT mechant steel full coupling, Class 150, Internal Thread X Internal Thread
3 inch NPT weld on mechant steel half coupling, Class 150, Internal Thread X Butt Weld
3 inch class 3000 forged 304 Stainless Steel Half Couplings
3 inch class 3000 forged 316 Stainless Steel Half Couplings
3 inch class 3000 forged carbon steel Half Couplings
3 inch class 3000 forged 304 stainless steel socket weld half coupling - socket weld X butt weld
3 inch class 3000 forged 316 Stainless Steel socket weld straight coupling
3 inch class 3000 forged carbon steel socket weld straight coupling
3 inch class 3000 forged carbon steel socket weld straight coupling - Made In USA
3 inch class 3000 forged carbon steel socket weld half coupling - socket weld X butt weld
3 inch class 3000 forged carbon steel socket weld half coupling - socket weld X butt weld - Made In USA
3 inch NPT 304 stainless steel class 3000 full coupling
3 inch NPT 316 stainless steel class 3000 full coupling