For Cryogenic Safeties print

NS_400B

Bronze Diverter Valve

Design pressure : 3.0Mpa
Design temperature : -196℃~75℃
Kind of fluid : LN2,  LO2,  LAr,  LCO2,  LNG
Hydrostatic test pressure : 4.5 Mpa
Pneumatic test pressure : 3.3 Mpa

“Bronze Diverter Valve” is designed to divert the safety and rupture disc in cryogenic liquid systems.
This valve is used extensively in safety system for bulk storage tanks, portable liquid cylinders and pipelines for LO2,  LN2,  LAr  and LNG.

NS400b Ordering information

Service characteristics

No Name Material No Name Material
1 Body C3771 10 Stem Bush SUS 304
2 Cap C3771 11 SpringWasher SUS 304
3 Ball SUS 304 12 Nut SUS 304
4 Ball Seat R-PTFE 13 Lever SUS 304
5 O-ring VITON 14 Bolt SUS 304
6 Stem SUS 304 15 Plug Bolt C3771BD
7 Gland Packing R-PTFE 16 Gasket R-PTFE
8 Gland Ring SUS 304 17 Liner R-PTFE
9 Bearing R-PTFE

No maintenance is required other than replacement of seat assembly if any problems happen.

NS400b Ordering information

Model No. SIZE L H T W1 W2 Nozzle
size
N-1 N-2 N-3 Φ
NS400b-15A 1/2″(15A) 114 106 155 70 30 " 1/2″PT 1/2″PT 3/4″PT 15mm
NS400b-25A 1″(25A) 136 126 155 80 40 " 1″PT 1″PT 1″PT 20mm
NS400b-40A 11/2″(40A) 204 165 183 109 54 " 1 1/2″PT 1 1/2″PT 1 1/2"PT 31mm