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Engineering Based Solutions for Water Handling and Firefighting Needs.
Brass Fire Hose Coupings
B Series
RB Series
BP Series
B
SERIES
Brass
Fire Hose Coupings
ABOUT B Series
Brass Expansion ring couplings for use in Industrial fire fighting.   Couplings are provided with lugs on both males female swivels.   All coupling sets come complete with Red Brass expansion rings, and lathe cut swivel washers, and tail gaskets.   B couplings are fully machined, including bowls, from hot forged 46400 brass, and are available in 1-1/2” thru 4”.   Standard configuration is with Rocker Lugs with Pin Lugs available on many sizes.
ABOUT BRASS FIRE HOSE COUPINGS
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.

Brass, Expansion Ring Fire Hose Couplings are forged from 46400 alloy brass (no sand castings used) providing high strength and corrosion resistance for atmospheres such as sea water, chemical plants, etc... exceeding WW-C-621 specifications.   Available sizes 1-1/2 " thru 4 " w/Rocker Lugs and Pin Lugs.
TECHNICAL DATA FOR:DOWNLOAD THE DATA SHEET
Nominal Hose Dia
Hose Thread
"B" Series - Rocker Lug, Forged Brass Coupling Bowl Diameter / Part Number
1-1/2"1-1/2"1-11/16"1-3/4"1-13/16"1-15/16"
B15_-1.687B15_-1.750B15_-1.812B15_-1.937
1-3/4"1-1/2"2-1/16"2-1/8"
B17_-2.062B17_-2.125
2"2"2-5/16"
B20_-2.312
2-1/2"2-1/2"2-3/4"2-13/16"3"
B25_-2.750B25_-2.812B25_-3.000
4"4"4-9/16"
B40_-4.562

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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