ES8450 Series Extended Stem Valves BK9450 & BK9470 Series Extended Bonnet Valves

Application

For use as a trycock valve or hose drain valve on cryogenic tanks, or 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 as LNG Fueling.

 Features

• Union bonnet.
• One piece stainless steel stem
• Conical seat design.
• Maximum working pressure is 600 psig. (41.3 Bar)
• Working temperature is –320°F to +165°F.
• Cleaned for oxygen service per CGA G-4.1.
• 100% Factory Tested

TES8450 Series specific feature:

• Graphoil® packing
• Approved by PED and TPED

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         

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