Pyronics 5116 BRR 300 Balanced Ratio Regulators, Burner Parts

BRR - Balanced Ratio Regulators are designed to provide accurate air/fuel ratio control of cross-connected combustion systems. The delivery pressure of the BRR 300 will match that of the cross-connected signal being applied to the upper diaphragm chamber, as long as the minimum differential is maintained. A turndown ratio of 20 to 1 is possible with the BRR 300.

The Balanced Ratio Series features large main diaphragms, a balancing diaphragm and soft rubber seat to insure good control at low turndown ratios.

FEATURES

Accuracy:
Low - Flow: ± 0.1'' W.C.
Full - Flow: ± 0.3'' W.C.
Turndown up to 20:1
Operating temperatures to 300°F
All units factory tested and sealed
Maximum inlet pressure: 5 psig
Maximum pressure differential: 4 psig
Minimum pressure differential: 10'' W.C.

Model Number	Pipe Size		SCFH Gas Flow @ 4.0" W.C. Pressure Drop
Model Number	Inlet	Outlet	MFD. 0.4 Sp. Gr.	NAT. 0.6 Sp. Gr.	AIR 1.0 Sp. Gr.	L.P. 1.5 Sp. Gr.
6 BRR 300	3/4"	3/4"	790	650	500	410
8 BRR 300	1"	1"	1,580	1,290	1,000	820
12 BRR 300	1-1/2"	1-1/2"	3,160	2,580	2,000	1,640
16 BRR 300	2"	2"	5,530	4,520	3,500	2,860
20 BRR 300	2-1/2"	2-1/2"	7,900	6,450	5,000	4,100
24 BRR 300	3"	3"	12,600	10,300	8,000	6,500
32 BRR 300	4"	4"	22,100	18,100	14,000	11,400

Product Specifications

Pyronics ''BRR'' Series Home Page


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