Name：Pneumatic diaphragm low temperature single seat  regulating valve
Model：CVTS-D
Nominal Diameter：20—300mm
Nominal Pressure：PN1.6、4.0、6.4、10MPa
         ANSI 150、300、600、900
         JIS10、20、30、40K
Material： CF3、CF3M、CF8、CF8M

CVTS-D type pneumatic diaphragm low temperature single seat regulating valve adopt special designed single seat plunger valve core, seamless connected valve seat and extension bonnet, machined according special process, make sure the valve no internal /external under harsh environment, like various liquid gas condition( -45℃~-196℃).
The biggest characteristic of this product is valve always in “double zero” good status at stuffing box and valve fully closed position(under -45℃~-196℃ condition).