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Pyronics 5101-20-BZR, 2-1/2" Inlet Balanced Zero Regulator

Pyronics 5101-20-BZR, 2-1/2" Inlet Balanced Zero Regulator
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Pyronics 5101-20-BZR, 2-1/2" Inlet Balanced Zero Regulator

Pyronics 5101-20-BZR, 2-1/2" Inlet Balanced Zero Regulator

SKU: 5101-20-BZR
Usually Ships in 1 - 2 weeks
Rating:
$908.86 /ea
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Note: If not available from stock, this product is made to order and has an expected lead time of 2 - 4 weeks.

Balanced Zero Regulators feature a rugged, large diaphragm, and balanaced at near zero pressure. Gas flow is initiated by a very small pressure differential across the main diaphragm. Gas supply is precisely modulated on system demand by negative or positive signals from suction mixers or controlled pressure from an external source.

BZR regulators deliver gas at a precise pressure, even with slight inlet pressure variations and assures dependable, precise gas flow control on all types of combustion systems including proportioning premixers, nozzle mixers and mixing tees at positive or negative combustion chamber pressures.

FEATURES  

  • Turndown up to 200:1
  • Operating temperatures to 150°F
  • All units factory tested and sealed
  • Maximum inlet pressure: 2.0 psig
  • Maximum pressure differential: 14.0" W.C.
  • Sensitivity - Responds to signal pressure differential as low as 0.04" W.C. 

Following are the Attached files for this product:

Pyronics Selas 5101 BZR Regulator Tech Sheet

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Q: 
The actual part number I am looking for is a Pyronics 20-BZR-20, is that what this is? The regulator needs to have a 2 1/2 and a 2 1/2 outlet.
Asked on Jul 13, 2018 by Billy from Galena Park, Texas
1 Answers

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A: 
The 20-BZR-20 is an older number that represented a 2-1/2" inlet and a 2-1/2" pipe size outlet.  It uses the numbering system that 8 equals 1", 12 equals 1-1/2", 16 equals 2", 20 equals 2-1/2, 24 equals 3" etc, etc.  In 1979, Pyronics issued Bulletin 5101 that superseded a November 1977 Bulletin on the product.  Since then, the BZR series were designed with the same inlet and outlet, thus for your case, you are okay with the 20 BZR as it has a 2-1/2" inlet and 2-1/2" outlet.

 
Replied on Jul 13, 2018 by Ori from Industrial Stores