Pyronics 5230 SRB Combination Reducing-Relief Regulators, Burner Parts

SRB Combination Reducing - Relief Regulators serve a dual function. They relieve upstream pressure while at the same time controlling downstream pressure.

The controlled pressure downstream is equal to the upstream pressure minus the spring setting. Springs are color-coded in cataloged pressure ranges. Inlet pressures to 25 psig operating; maximum surge to 50 psig without damage.

FEATURES

Available in sizes 3/4'' through 3'' NPT.
Drip tight shut-off below start to open point
Balanced valve design
Synthetic reinforced diaphragms - for air, all fuel & inert gases
Inlet pressures to 25 psig operating, maximum surge to 50 psig without damage
Rugged proven design
Standard SRB series operating temperatures to 150°F

Relief Regulator Catalog Number	Pipe Size NPT	Capacities in SCFH of Various Specific Gravity Gases @ 14" W.C. Pressure Drop
Relief Regulator Catalog Number	Pipe Size NPT	0.4	0.6	1.0	1.5	2.0
SRB 6	3/4"	1,230	1,000	780	630	550
SRB 8	1"	2,400	2,000	1,500	1,200	1,100
SRB 12	1-1/2"	4,900	4,000	3,100	2,500	2,200
SRB 20	2-1/2"	12,300	10,000	7,800	6,300	5,500
SRB 24	3"	21,000	17,000	13,000	11,000	9,200

Spring Number	Spring Color	Spring Adjustment Range Start to Stroke Setting
Spring Number	Spring Color	Minimum	Maximum
4	Red	1" W.C.	8" W.C.
16	Orange	7" W.C.	30" W.C.
48	White	12 osi	48 osi
Spring #48 not available on #SRB-20 and SRB-24

Product Specifications

Pyronics ''SRB'' Series Home Page


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