1" npt, 250 PSI, Series B3 Cast Iron Inverted Bucket Steam Trap with .188" Orifice, Built-in Strainer, and Thermic Vent (Model B3250B-4)

1" npt, 15 PSI, Series B4 Cast Iron Inverted Bucket Steam Trap with .625" Orifice (Model B4015A-4)

1" BUCKET TRAP SET AT #30

1" npt, 75 PSI, Series B4 Cast Iron Inverted Bucket Steam Trap with .375" Orifice (Model B4075A-4)

1" npt, 125 PSI, Series B4 Cast Iron Inverted Bucket Steam Trap with .344" Orifice (Model B4125A-4)

1" npt, 180 PSI, Series B4 Cast Iron Inverted Bucket Steam Trap with .281" Orifice (Model B4180A-4)

1" npt, 250 PSI, Series B4 Cast Iron Inverted Bucket Steam Trap with .25" Orifice (Model B4250A-4)

1" npt, 15 PSI, Series B4 Cast Iron Inverted Bucket Steam Trap with .625" Orifice and Built-in Thermic Vent (Model B4015T-4)

1 1/4" npt, 15 PSI, Series B4 Cast Iron Inverted Bucket Steam Trap with .625" Orifice (Model B4015A-5)

1 1/4" npt, 30 PSI, Series B4 Cast Iron Inverted Bucket Steam Trap with .5" Orifice (Model B4030A-5)