summary：
      A new flow instrument widely used in petro,chemistry,medicine etc. to prcise measuring liquid ,gas ,natural ,steam etc.
parameter：
caliber:DN25～DN1000(mm)
precision:±1％FS
measuring :standard 1:13,extend 1:30
working pressure:≤42Mpa
medium temperature:－40～450℃
medium conglutination：≤30C (equal heavy oil)
β  :0.2～0.8
connecting :flange or clip
flange standard:DN≤600mm，PN2.0～PN26；PN32，HG20618；
                DN＞600mm，PN2.0～PN15，HG20623。
                Or produce according to flange by client
material: body ,hole pressure tube, 3-valve sets,stainless
Plain tube and connect with flange:carbon steel or stainless steel.
equipment: plane or upright
intelligent balance pressure transmitter:output 4-20Ma,DC or digital signal.
power:24VDC
grade of preventing explosion:dⅡCT5.6，iaⅡCT4－6；
grade of  pretecting :IP67
head of watch: non-digital or digital .