High pressure Safety Valve 428KY series

The main technical parameters:

Nominal diameter:

6~20mm

Nominal pressure:

20MPa

Applicable media:

LNG、LO₂、LN₂、LAr 

Proper temperature:

-196℃~+80℃

Seal Form:

Hard seal

Connection form:

Thread

Main parts materials:

Body:：

CF8

Top:

06Cr19Ni10+Carbide

Seat:

06Cr19Ni10+Carbide

Spring:

12Cr18Ni9

Seal:

T2-M

428KY6

6

174

45

79

6

M24×2

Φ10×2

M24×1.5

Φ14×2

428KY10

10

193

50

84

8

M30×2

Φ14×3

M33×2

Φ22×3

428KY15

15

193

50

84

12

M36×2

Φ22×4

M33×2

Φ25×3

428KY20-1

20

320

70

100

15

M36×2

Φ25×4

M33×2

Φ25×3