Series 60 keystone automatic valve - autocad dwg
Suitable for high pressure and full vacuum service due to the use of a cartridge design seat. ? the triple function cartridge seat isolates body and stem from the media; provides positive seal against drop of line media at full nominal pressure and provides a flange seal; eliminating the need for flange joints. ? the final service without qualified unidirectional output is achieved through the use of a unique lip patented in the body of the estiron.