Peter Skop Industries

Compressed Gas Division

RegO_® ES8450 Series Extended Stem & BK9450/BK9470

              Series Extended Bonnet Cryogenic Valves

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 BK9450 style.