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Engineering Based Solutions for Water Handling and Firefighting Needs.
Aluminum Fire Hose Couplings
A Series
SS Series
SG Series
HS Series
FA Series
RA Series
RA
SERIES
Aluminum
Fire Hose Couplings
ABOUT RA Series
Aluminum Expansion ring couplings for Rack Hose applications.   Rack Hose couplings are designed with short bowl lengths for light weight and compactness in a folded hose.   RA couplings are available in 1-1/2” hose diameter, and have three rocker lugs on the female swivel only.   Furnished with Red Brass expansion rings and EPDM rubber, lathe cut gaskets.
ABOUT ALUMINUM FIRE HOSE COUPLINGS
Fire hose couplings are manufactured for the extreme rigors of fire fighting.  Both aluminum and brass expansion ring couplings are manufactured to the same exacting standards.

Aluminum Couplings are manufactured from aircraft grade 6061-T6 seamless extrusions, hardcoat anodized. Swivels are attached with hard alloy aluminum piston ring on 1 " thru 2-1/2 ", stainless steel ball bearings on 3 " thru 3-1/2 ", and aluminum roller bearings on 4 " thru 6 ".  Three rocker lugs on 1 " thru 3-1/2 " and four rocker lugs on 4 " thru 6”.
TECHNICAL DATA FOR:DOWNLOAD THE DATA SHEET
Nominal Hose Dia
Hose Thread
"RA" - Rack Hose Aluminum Coupling Bowl Diameter / Part Number
1-1/2"1-1/2"1-11/16"1-3/4"
RA15_-1.687RA15_-1.750

That underscore is a place holder for a letter(s) that designates/indicates thread type:

N = National Standard Thread (NST/NH)
I = Iron Pipe Thread (NPSH)
NPT = National Pipe Thread (Tapered)
G = Garden Hose Thread
SP = Special Thread



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