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Home > Products > Burners > Pre-Mix Burners
Threaded Semi-Furnace Burners
Duradiant Threaded Semi-Furnace Burners Mount Easily To Refractory Walls.

Selas semi-furnace burners are designed for mounting into vertical refractory walls or panels where 4-1/2" (114mm) thick wall construction is acceptable for service, where input capacity of the Series 51 tip is adequate, and when work temperatures generally do not exceed 1600° to 1800°F (870° to 980°C). All critical metallic parts are fabricated of heat resistant alloy steel. Each burner block is threaded to receive the hub of the cast iron burner body. Two series of burners are available:

(1) Series 551, with flanges which overhang the burner blocks for bolting to steel casings or frameworks.

(2) Series 552, with flanges small enough to permit close nesting of burners.




Plan and Section Views
(In inches and Millimeters)



Unit Burner Data*

Large
Flange
Series
551

 Shape of
Burner
Block 		Catalog Number
Manufactured Gas
Tip No. 50		 Mixed, Nat., Propane
& Butane Gases
Tip No. 51
Round KZ551-RA KZ551-RN3
Small
Flange
Series
552		 Square KZ552-SA KZ552-SN3
Round KZ552-RA KZ552-RN3
Hexagonal KZ552-HA KZ552-HN3

*Burner data given is for high-temperature blocks. Data for regular blocks is identical except for the omission of the designation "Z" in catalog numbers.

View Unit Burner Capacities Chart
    
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