卡箍式大小头 Size A B Ba DN20/15 88.0 34.0 34.0 DN25/20 86.0 50.5 34.0 DN32/20 106.0 50.5 34.0 DN32/25 106.0 50.5 50.5 DN40/20 128.0 50.5 34.0 DN40/25 128.0 50.5 50.5 DN40/32 128.0 50.5 50.5 DN50/25 141.0 64.0 50.5 DN50/32 141.0 64.0 50.5 DN50/40 141.0 64.…
