cryogenic ball valve,also known as liquid nitrogen stainless steel ball valve or liquid nitrogen cryogenic ball valve,is used to open and shut the flow of cryogenic media.
it can be applied on ethylene/lngfacilities,lpg/lng storage tanks,receiving base and satellite station,air separation equipment,petrochemical exhaust gas separation equipment,cryogenic liquid oxygen/liquid nitrogen/liquid argon/carbon dioxide storage tanks, tank cars,and psa oxygen plants.
number |
name |
material |
1 |
valve body |
cf8/cf3m |
2 |
valve seat |
cf8/cf3m |
3 |
ball core |
304/316l |
4 |
body seal |
ptfe |
5 |
valve cap |
cf8/cf3m |
6 |
valve stem |
304/316l |
number |
name |
material |
7 |
extension support |
304 |
8 |
axle sleeve |
ptfe |
9 |
pull handle |
304 |
10 |
v-seal components |
ptfe |
11 |
press nai'l |
304 |
12 |
nut |
304 |
note:the material of each part may be different under different working conditions.the specific materialshall prevail.
technical parameters: |
|
actuation |
stainless steel stem,turbine stem,aluminum pneumatic actuator(single/double acting),electric actuator |
size |
dn15-dn100 |
body |
3-pcs forged body |
fluid-contacting surface |
cf8/cf3m |
non-fluid-contacting surface |
304 |
connection |
welded,flange |
operation pressure |
pn1.6mpa |
operation temperature |
-196℃~ 120℃ |
seal materia |
cptfe seal:- 196℃~ 120℃ |
|
pctfe seal:- 196℃~ 125℃ |
external surface roughnes:≤ra0.8μm ≤ra0.4μm |