Product Description
| Cryogenic Shut-Off Valves - Extended Stem | |
| ES8452 | 1/4" F. NPT, 4" Stem |
| BK9452 | 1/4" F. NPT, 6.5" Stem - spring loaded packing |
| ES8453 | 3/8" F. NPT, 4" Stem |
| BK9453 | 3/8" F. NPT, 6.5" Stem - spring loaded packing |
| ES8454 | 1/2" F. NPT, 4" Stem |
| BK9454 | 1/2" F. NPT. 6.5" Stem - spring loaded packing |
| Cryogenic Shut-Off Valves - Short Stem | |
| T9452 | 1/4" F. NPT |
| T9453 | 3/8" F. NPT |
| T9454 | 1/2" F. NPT |
Extended Stem Cryogenic Valves
ES8450 Series Extended Stem Valves BK9450 & BK9470 Series Extended Bonnet Valves
Application
These valves are designed for use as a trycock valve or hose drain valve on cryogenic tanks. Another application is as a use, liquid fill, or vent valve on mini-bulk cryogenic tanks. These valves can be used likewise for other cold gas applications requiring extended stem valves.
Features
• Union bonnet.
• One piece stainless steel stem
• Conical seat design.
• Maximum working pressure is 600 psig.
• Working temperature is –320F to +165F.
• Cleaned for oxygen service per CGA G-4.1.
ES8450 Series specific feature:
• Manual torque compression packing.
BK9450 and BK9470 Series specific feature:
• Extended bonnet and spring loaded packing.
BK9470 Series specific feature:
• 304 St. Stl Tube brazed into one or both ends.
Materials
Body and Bonnet............................................................Brass
Stem .................................................................Stainless Steel
Seat disc.........................................................................CTFE
Handwheel ...............................................................Aluminum Packing and Bonnet
Gasket ............................................PTFE
Conversion Kit
BK 9450-KIT is a bonnet and stem assembly kit to convert ES 8450 Series and previous ES 9450 Series to the BK 9450 style.
