European Standard 316L Double Press-fit Stainless Steel Pipe Fittings

Standard: GB/T19228.1-2011

1.Male Thread Adaptor (EU Standard)

Nominal Diameter	Outer Diameter (GB SeriesⅡ)
DN15×15	18.00×R1/2
DN20×15	22.00×R1/2
DN20×20	22.00×R3/4
DN25×15	28.00×R1/2
DN25×20	28.00×R3/4
DN25×25	28.00×R1
DN32×25	35.00×R1
DN32×32	35.00×R1¼
DN40×32	42.00×R1¼
DN40×40	42.00×R1½
DN50×40	54.00×R1½
DN50×50	54.00×R2

2.Female Thread Adaptor (EU Standard)

Nominal Diameter	Outer Diameter (GB SeriesⅡ)
DN15×15	18.00×R1/2
DN20×15	22.00×R1/2
DN20×20	22.00×R3/4
DN25×15	28.00×R1/2
DN25×20	28.00×R3/4
DN25×25	28.00×R1
DN32×25	35.00×R1
DN32×32	35.00×R1¼
DN40×32	42.00×R1¼
DN40×40	42.00×R1½
DN50×40	54.00×R1½
DN50×50	54.00×R2