GB/T 12459  弯头 DN 25-Sch4090ELRFb/ R40STR9FRF

DN 25-Sch40 90ELRFb/ R40STR9FRF

PL250-16 RF 33

SO 3/4"-300 RF

WN15(B)-63M S=4

PL350(B)-16FFmpampampa�—&

1 RF600-1.6

1 RF 400-1.6 δs=8 Ⅱ6 δs=8@P2@Fj@5@F Sc��datF8r6 FMS=F-F89J@p

WN 600-1500 RJ Sch120

SO 10"-150 RF

PL60-16 RF07