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Pyronics 5106-12-BZR-B 1-1/2" Spring Biased Regulator

Pyronics 5106-12-BZR-B 1-1/2" Spring Biased Regulator
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Pyronics 5106-12-BZR-B 1-1/2" Spring Biased Regulator

Pyronics 5106-12-BZR-B 1-1/2" Spring Biased Regulator

SKU: 5106-12-BZR-B
Out of Stock
Rating:
$614.37 /ea
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Note: 6, 8 and 12 BZR's are generally shipped from stock. If not available from stock, this product is made to order and has an expected lead time of 3 - 5 weeks. BZR-B is designed with an adjustable compensation spring to bias the regulator providing a smooth transition to excess air operation at low fire. Using a gas adjuster downstream of a negative biased regulator, high fire can be set to stoichiometric conditions. As the system is turned down, the spring bias will subtract from the combustion air pressure causing the burner to go lean. Adjusting the screw under the cap assembly permits biasing the fuel/air ratio from high fire to low fire at a fixed, controlled rate. As shipped, the regulator is set at zero bias. FEATURES   Accuracy: Low - Flow: ± 0.1'' W.C. Full - Flow: ± 0.3'' W.C. Turndown up to 20:1 Continuous operation to 150°F All units factory tested and sealed Maximum inlet pressure: 2.0 psig Minimum pressure drop through regulator: 4'' W.C Sensitivity - Responds to signal pressure differential as low as 0.04'' W.C. Adjustable spring bias from: + 0.3/-5.0'' 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 B 3/4" 3/4" 790 650 500 410 8 BZR B 1" 1" 1,580 1,290 1,000 820 12 BZR B 1-1/2" 1-1/2" 3,160 2,580 2,000 1,640 16 BZR B 2" 2" 5,530 4,520 3,500 2,860 20 BZR B 2-1/2" 2-1/2" 7,900 6,450 5,000 4,100 24 BZR B 3" 3" 12,600 10,300 8,000 6,500 32 BZR B 4" 4" 22,100 18,100 14,000 11,400

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