GB/T 12459  弯头 DN 350-Ⅱ-Sch4090ELRF@4 Rch44�ƒÅ�

DN 350-Ⅱ-Sch40 90ELRF@4 Rch44�ƒÅ�

SOH RF 10K A 40A

wn125-150 rf a=141.

pl100b-6ff=21.b451 K3 RFch40S

PL 1006(B)-6 RF

3 WN300(B)-16MF=650 l/ RF15M S= RFampa0-1.6B)-

PL50(B)-16 RF00/@5@RFM80

WN 20-300 RF S=2

bl80-16rf=jScز–-10.50sRF SJ�

WN