CHECK VALVE PILOT OPERATED TO CLOSE
A class with identifier
http://staging4.data.posccaesar.org/iso/15926-4/rdl/RDS296639
| Definition | A <CHECK VALVE PILOT OPERATED TO CLOSE> is an <ARTEFACT> and a <CHECK VALVE> that is opened by means of a pilot valve | 
| ISO number | 10961 | 
| RDS number | RDS296639 | 
| Source | NORSOK CAD symbol libraries, Z-CR-004, draft 3, October 1998 | 
| Valve Classes |