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dzh series vacuum jacketed check valve in low temperature

dzh series vacuum jacketed check valve in low temperature

this type is special vacuum jacketed low-temperature globe valve is mainly used to prevent the pipeline system of low temperature and cryogenic medium medium flow back, has the characteristics of the sealing is reliable.

main technical parameters

nominal pressure:4.0mpa

design temperature:-196℃~ 80℃

applicable medium:lng 、lo2、ln2、lar

connection method:socket welding

main components name
valve body:zg0cr18ni9
valve disc:0cr18ni9
valve cover:0cr18ni9
main seal:ptfe
spring:1cr18ni9
model main form and the connection size (mm)
h h1 l d0 d1 d2 d3 b
dzh-25 78 131.5 90 ф25 ф32.5 ф43.5 ф82 8
dzh-32 90 141.5 105 ф32 ф38.5 ф53 ф101 8
dzh-40 99 173 120 ф40 ф45.5 ф62 ф101 8
dzh-50 112 176.5 140 ф50 ф57.5 ф72 ф126 10
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