PRESSURE REGULATORS

Pressure Regulator Valve

Type Size valve description Function Data sheet IOM
DR 7521 DN 15 - 80 unbalanced seat Pressure reducing valve
- valve close when
downstream pressure rises 7501-7010 7511-8010
DR 7541 DN 25 - 100 balanced seat with bellow seal
DR 7537 DN 20 - 100 balanced seat without bellow seal 7537-7010
DR 7621 DN 25 - 80 unbalanced seat Excess pressure valve
- valve open
when upstream pressure rises 7601-7010
DR 7641 DN 25 - 100 balanced seat with bellow seal
DR 7637 DN 20 - 100 balanced seat without bellow seal 7637-7010