BZR-300 Series Balanced Zero Regulators are used for precise control of heated gases or for equipment locations subjected to high ambient temperatures. They are designed for continuous operation up to 300°F and to resist corrosion from high sulphur or other corrosive gases. The special high temperature construction does not sacrifice performance.
The BZR-300 series regulators duplicate the precise control characteristics of the standard BZR Regulators. They automatically adjust valve position to hold a desired precise outlet pressure. Slight variations in inlet pressure do not affect the performance.FEATURESAccuracy:
Low - Flow: ± 0.1'' W.C.
Full - Flow: ± 0.3'' W.C.
Turndown up to 200:1Continuous operation to 300°FFor use with High Sulphur GasesAll units factory tested and sealedMaximum inlet pressure: 2.0 psigMaximum pressure differential: 14.0'' W.C.Sensitivity - Responds to signal pressure differential as low as 0.04'' W.C. CAPACITY TABLE Model Number Pipe Size SCFH Gas Flow @ 4.0" W.C. Pressure Drop Inlet Outlet MFD. 0.4 Sp. Gr. NAT. 0.6 Sp. Gr. AIR 1.0 Sp. Gr. L.P. 1.5 Sp. Gr. 6 BZR 300 3/4" 3/4" 790 650 500 410 8 BZR 300 1" 1" 1,580 1,290 1,000 820 12 BZR 300 1-1/2" 1-1/2" 3,160 2,580 2,000 1,640 16 BZR 300 2" 2" 5,530 4,520 3,500 2,860 20 BZR 300 2-1/2" 2-1/2" 7,900 6,450 5,000 4,100 24 BZR 300 3" 3" 12,600 10,300 8,000 6,500 32 BZR 300 4" 4" 22,100 18,100 14,000 11,400