Daulco 55070P004 is a non-OEM, drop-in replacement check valve for Locomotive OEM Part Number 40052436. Crack Pressure 25 PSIG. Reliably tested and available at other crack pressures.
Daulco 55070P002 is a non-OEM, drop-in replacement check valve for Locomotive OEM Part Number 40047146. Crack Pressure 15 PSIG. Reliably tested available at other crack pressures.
Daulco 55070P003 is a non-OEM, drop-in replacement check valve for Locomotive OEM Part Number 40057473. Crack Pressure 40 PSIG. Reliably tested and available at other crack pressures.
Daulco 55070P006 is a non-OEM, drop-in replacement check valve for Locomotive OEM Part Number 40064417. Crack Pressure 50 PSIG. Reliably tested and available at other crack pressures.
Daulco 55070P005 is a non-OEM, drop-in replacement check valve for Locomotive OEM Part Number 40056116. Crack Pressure 30 PSIG. Reliably tested and available at other crack pressures.