弯头 DN 40-Sch4090ELMH-1.-1.6/

DN40-Sch40 90ELMH-1.-1.6/

so400-300RFFF

so450-25t.6/0-181

wn 50-25 m s200R

WN40-300RF S=5 L=B= b=(B

so50(b)-16rFR

so50-150 rf

法兰盖 BL300-16 RF

法兰wn125(b)-25fm s=5mm

WN 15-16 M16 rf

so50-25rf B=

法兰 BL150-16RF1h40SFFFRFmpampRF RF-