United Brass Works is a manufacturer of high quality bronze, ductile iron and carbon steel valves for a variety of applications. The company was founded in New York city in 1910 and continues to grow. United Brass Works is a world class manufacturer serving many industries including Boiler, Fire Protection, HVAC, Electrical Transformer, Industrial and Laundry and Dry Cleaning.

Files & Downloads

• UBW Industrial Valve Catalog
• UBW Fire Protection Catalog
• Model 44NY Whistle Valve Quick-Opening Self-Closing Globe Valve With Yoke & Loop Handle Lever 150WSP • 400 WOG 100% Pressure Tested Threaded Ends PTFE Disc • Integral Seat
• Model 44SS Whistle Valve Quick-Opening Self-Closing Globe Valve With Yoke & Lever Built-In Strainer Screen 150WSP • 400 WOG 100% Pressure Tested Threaded Ends PTFE Disc • Integral Seat
• Model 44 Whistle Valve Quick-Opening Self-Closing Globe Valve Less Yoke & Lever 150WSP • 400 WOG 100% Pressure Tested Threaded Ends PTFE Disc • Integral Seat
• Model 44NYLL Whistle Valve Quick-Opening Self-Closing Globe Valve With Yoke Less Lever 150WSP • 400 WOG 100% Pressure Tested Threaded Ends PTFE Disc • Integral Seat
• Model 25WTBL Whistle Valve Quick-Opening Self-Closing Globe Valve With Button Lever 200WSP • 400 WOG 100% Pressure Tested Threaded Ends PTFE Disc • Integral Seat
• Model 50 Check Valve Spring Loaded Lift Check Complies with MSS-SP-80-2013 400 WOG @ 180 ° Max 100% Pressure Tested Threaded Ends • Soft Disc Integral Seat
• Model 55S Spring Check Air Control Valve 200 WOG @ 180 ° Max 100% Pressure Tested Threaded Ends Soft Disc Integral Seat
• Model 50T Check Valve Spring Loaded Lift Check 200WSP @ 406° Max 400 WOG 100% Pressure Tested Threaded Ends • PTFE Disc Integral Seat
• Model 50TLS Lift Check Valve 200WSP @ 406° Max 400 WOG 100% Pressure Tested Threaded Ends • PTFE Disc Integral Seat
• Model 50LS Lift Check Valve 400 WOG @ 180 ° Max 100% Pressure Tested Threaded Ends • Soft Disc Integral Seat
• Model 53 Check Valve Full Flow Spring-Loaded Lift Check 200WSP @ 406° Max 400 WOG 100% Pressure Tested Threaded Ends • Solid PTFE Disc Integral Seat
• Model 62 Swing Check Valve 200WSP @ 406° Max 400 WOG 100% Pressure Tested Threaded Ends
• Model 70H Flow Indicator 100% Pressure Tested Male X Female Configuration 180 Degrees F Max
• Model 62S Swing Check Valve 400 WOG @ 180 ° Max 100% Pressure Tested Threaded Ends
• Model 70HB High Pressure Flow Indicator With Activity Signal 100% Pressure Tested Male X Female Configuration 180 Degrees F Max
• Model 62T Swing Check Valve 200WSP @ 406° Max 400 WOG 100% Pressure Tested Threaded Ends PTFE Disc
• Model 70BSP High Pressure Flow Indicator With Polycarbonate Window & Activity Signal 100% Pressure Tested Male X Female Configuration 175 WOG @ 150° Max
• Model 70P High Pressure Indicator With Polycarbonate* Window 175 WOG @ 150° Max 100% Pressure Tested Male X Female Configuration
• Model 63 Swing Check Valve 300 WSP 600 WOG 100% Pressure Tested Threaded Ends
• Model 70TTSL High Pressure Flow Indicator With PTFE Seals Tempered Soda Lime Glass 100% Pressure Tested Male X Female Configuration
• Model 77 Needle Valve 200WSP @ 406° Max 400 WOG 100% Pressure Tested Threaded Ends Rising Stem
• Model 70TT High Pressure Flow Indicator With PTFE Seals 100% Pressure Tested Male X Female Configuration
• Model 79 Needle Valve 200WSP @ 406° Max 400 WOG 100% Pressure Tested Threaded Ends Rising Stem
• Model 80 Ball Valve 200 lbs. WSP @ 406 ° Max 400 lbs. WOG * 100% Pressure Tested Threaded Ends * Blowout Proof Stem ¼” - ½” Full Flow ¾” - 2” Large Port Diameters
• Model 70TTSLB High Pressure Flow Indicator With PTFE Seals, Tempered Soda Lime Glass, & Activity Signal 100% Pressure Tested Male X Female Configuration
• Model 80MXF Ball Valve Male x Female 200 lbs. WSP @ 406 ° Max 400 lbs. WOG 100% Pressure Tested Blow-Out Proof Stem ¼” - ½” Full Flow ¾” - 2” Large Port Diameters
• Model 97S Full Flow In-Line Check Valve 300 WOG @ 180°F Max 100% Pressure Tested Threaded Ends • Soft Disc • Integral Seat
• Model 80SS Ball Valve 200 lbs. WSP @ 406 ° Max 400 lbs. WOG * 100% Pressure Tested Threaded Ends * Blowout Proof Stem ¼” - ½” Full Flow ¾” - 2” Large Port Diameters
• Model 81T Globe Valve 200 lbs. WSP @ 406° Max 400 lbs. WOG• 100% Pressure Tested Threaded Ends • Rising Stem • Integral Seat Swivel Disc Holder • PTFE Disc
• Model 99 Swing Check Valve 125 WSP @ 350° Max 200 WOG 100% Pressure Tested Threaded Ends • Metal Disc Integral Seat
• Model 99S Swing Check Valve 200 WOG @ 180 ° Max 100% Pressure Tested • Integral Seat Threaded Ends • Soft Disc
• Model 99T Swing Check Valve 125WSP @ 350° Max 200 WOG 100% Pressure Tested Threaded Ends • PTFE Disc Integral Seal
• Model 126S Angle Valve Soft Disc 200 WOG @ 180 ° Max 100% Pressure Tested Threaded Ends Rising Stem • Integral Seat Swivel Disc Holder
• Model 126MM Angle Valve Metal to Metal Seat & disc 125 lbs. WSP @ 350 ° Max 200 lbs. WOG 100% Pressure Tested Threaded Ends Rising Stem Swivel Disc Holder
• Model 125T Valve 125WSP @ 350° F 200 WOG 100% Pressure Tested Threaded Ends • Rising Stem Swivel Disc Holder PTFE Disc Integral Seat
• Model 125MM Globe Valve Metal to Metal Seat & Disc 125 lbs. WSP @ 350 ° Max 200 lbs. WOG 100% Pressure Tested Threaded Ends Rising Stem Swivel Disc Holder
• Model 125S Globe Valve Soft Disc 200 WOG @ 180 ° Max 100% Pressure Tested Threaded Ends • Integral Seat Rising Stem Swivel Disc Holder
• Model 126SUL Angle Valve Soft Disc UL Listed for Fire Sprinkler Service at 250 WOG 200 WOG @ 180 ° Max 100% Pressure Tested Threaded Ends Rising Stem • Integral Seat Swivel Disc Holder
• Model 126T Valve 125WSP @ 350° F 200 WOG 100% Pressure Tested • Threaded Ends Rising Stem • Swivel Disc Holder PTFE Disc
• Model 125SUL Globe Valve Soft Disc UL Listed for Fire Sprinkler Service at 250 WOG 200 WOG @ 180 ° Max 100% Pressure Tested Threaded Ends Rising Stem • Integral Seat Swivel Disc Holder
• Model 198 Air Line Strainer 200 WOG @ 180 ° Max 100% Pressure Tested Threaded Ends Stainless Steel Screen
• Model 200BV Strainer With Ball Valve 200WSP @ 406° Max 400 WOG 100% Pressure Tested Threaded Ends. All Available in 24, 50 or 100 Mesh screen sizes.
• Model 200WSC Strainer With Solid Cap 200 WSP @ 406° Max 400 WOG 100% Pressure Tested Threaded Ends.
• Model 200 Strainer With Steel Plug 200WSP @ 406° Max 400 WOG 100% Pressure Tested Threaded Ends All Available in 24, 50 or 100 Mesh screen sizes.
• Model 200WBP Strainer With Brass Plug 200WSP @ 406° Max 400 WOG 100% Pressure Tested Threaded Ends.
• Model 350T Check Valve Spring-Loaded Lift Check 300WSP • 600 WOG 100% Pressure Tested Threaded Ends • PTFE Disc Integral Seat
• Model 226UT “Y” Blow-Off Valve 200 WSP @ 406° Max • 400 WOG Non-Shock Service • 100% Pressure Tested Threaded Ends • Rising Stem • Swivel Disc Holder PTFE Disc • Integral Seat • Max Pressure for Boiler BlowOff 160 PSI.
• Model 325U “Y” Blow-Off Valve Class 300 • Non-Shock Service 100% Pressure Tested • Threaded Ends Rising Stem • Swivel Disc Holder Seat & Disc 400-500 Brinnell Stainless Steel Max Pressure 390 PSI @ 500° F • Max Pressure for Boiler Blow-Off 312 PSI
• Model 363 Continuous Blow-Down Needle Valve Class 300 • 100% Pressure Tested Globe Pattern • Threaded Ends Rising Stem with Swivel Disc Holder Calibrated “Easy to Read” Gauge with Pointer Stainless Steel Seat & Disc Hardened to 60 Rockwell “C” Max Pressure 390 PSI @ 500° F • Max. Pressure for Boiler Blow-Down 312 PSI
• Model 364 Continuous Blow-Down Needle Valve Class 300 • 100% Pressure Tested Angle Pattern • Threaded Ends Rising Stem with Swivel Disc Holder Calibrated “Easy to Read” Gauge with Pointer Stainless Steel Seat & Disc Hardened to 60 Rockwell “C” Max Pressure 390 PSI @ 500° F • Max Pressure for Boiler Blow-Down 312 PSI
• Model 350TLS Lift Check Valve 300WSP • 600 WOG 100% Pressure Tested Threaded Ends • PTFE Disc Integral Seat
• Model 725 Slow Opening Flanged Blow-Off Valve Class 300 * ANSI B 16.34 * 605 psi Working Steam Pressure @ 500 F 740 psi @ 100 F * 100% Pressure Tested * Epoxy Coated (E-Coat)
• Model 849 ½” Steam Trap 150WSP Body Rating Operating Range 5 – 50PSI Ductile Iron Construction Stainless Steel Ball & Seat E-Coated inside & out for Corrosion Resistance
• Model 381T Globe Valve 300 lbs. WSP • 600 lbs. WOG • Integral Seat 100% Pressure Tested • Threaded Ends Rising Stem • Swivel Disc Holder • PTFE Disc
• Model 525 Slow Opening Blow-Off Valve Class 300 * ANSI B 16.34 * 665 psi Working Steam Pressure @ 500 F 750 psi @ 100 F * 100% Pressure Tested * Threaded Ends * Epoxy Coated (E-Coat)
• Model 425 Quick Opening Blow-Off Valve Class 300 * ANSI B 16.34 * 665 psi Working Steam Pressure @ 500 F 750 psi @ 100 F * 100% Pressure Tested * Threaded Ends * Epoxy Coated (E-Coat)
• Model 849A ¾” Steam Trap 150WSP Body Rating Operating Range 50 – 125PSI Ductile Iron Construction Stainless Steel Ball & Seat E-Coated inside & out for Corrosion Resistance
• Model 901 ASME Safety Valve Maximum Temperature 405°F Max ASME Tested National Board Certified Body Material: Brass Trim: Bronze Male Inlet X Female Outlet
• Model 849B ¾” Steam Trap 150WSP Body Rating Operating Range 5 – 50PSI Ductile Iron Construction Stainless Steel Ball & Seat E-Coated inside & out for Corrosion Resistance
• Model 850 ½” Steam Trap 150WSP Body Rating Operating Range 50 – 125PSI Ductile Iron Construction Stainless Steel Ball & Seat E-Coated Inside & Out For Corrosion Resistance.
• Model 625 Quick Opening Flanged Blow-Off Valve Class 300 * ANSI B 16.34 * 605 psi Working Steam Pressure @ 500 F 740 psi @ 100 F * 100% Pressure Tested * Epoxy Coated (E-Coat)
• Model 902 1/2” High Pressure Upper Gauge Fixture Valve With Ball Checks 250WSP @ 406⁰ F ASME Compliant per B31.1 and Section One, PG 60 Appendix A18 of ASME Boiler Code
• Model 905A½” Short Shank Upper Fixture 250 WSP @ 406°F Max 400WOG Rising Stem • Bronze Body Ductile Iron Hand Wheel
• Model 905 1/2” Long Shank Upper Fixture 250 WSP @ 406°F Max 400WOG Rising Stem • Bronze Body Ductile Iron Hand Wheel
• Model 903 1/2” High Pressure Lower Gauge Fixture Valve With Ball Checks 250WSP @ 406⁰ F ASME Compliant per B31.1 and Section one, PG 60 Appendix A18 Of ASME Boiler Code
• Model 905AS ½” Short Shank Upper Fixture With Ball Check 250 WSP @ 406°F Max 400WOG Rising Stem • Bronze Body Ductile Iron Hand Wheel
• Model 905S 1/2” Long Shank Upper Fixture With Ball Check 250 WSP @ 406°F Max 400WOG Rising Stem • Bronze Body Ductile Iron Hand Wheel
• Model 906C Duran® High Pressure Tubular Gage Glass Max Pressure 295 PSI @ 425° Ends are Fire Polished Sold by the Dozen Only Available Lengths 8”, 8-1/2”, 9”, 9-1/4”, 9-1/2”, 10”, 10-1/4”, 10-1/2”. 11”, 11-1/2”, 12”, 14”
• Model 910 ½” Upper Expansion Tank Fixture 250 WSP @ 406°F Max 400WOG Bronze Body
• Model 911½” Lower Expansion Tank Fixture 250 WSP @ 406°F Max 400WOG Bronze Body
• Model 915-A31S Three Port Regulating & Reducing Valve Inlet Pressure 300 PSI Max. @ 180 ° Max Designed for Air, Water & Oil Applications
• Model 915-A31 Two Port Regulating & Reducing Valve Inlet Pressure 300PSI Max. @180 ° Max Designed for Air, Water & Oil Applications.
• Model 946 ½” Long Shank Lower Fixture 250 WSP @ 406°F Max 400WOG Rising Stem • Bronze Body Ductile Iron Hand Wheel
• Model 946A ½” Short Shank Lower Fixture 250 WSP @ 406°F Max 400WOG Rising Stem • Bronze Body Ductile Iron Hand Wheel
• Model 946AS ½” Short Shank Lower Fixture With Ball Check 250 WSP @ 406°F Max 400WOG Rising Stem • Bronze Body Ductile Iron Hand Wheel
• Model 971 Lever Handle Petcock 125WSP @ 350° Max. 1/4” Male x Female NPT
• Model 966L ½” Long Shank Tricock 250 WSP @ 406°F Max 400WOG Ductile Iron Hand Wheel Brass Body
• Model 966P ½” Short Shank Tricock 200 WSP @ 406° Max 400WOG Ductile Iron Hand Wheel Brass Body
• Model 946S ½” Long Shank Lower Fixture With Ball Check 250 WSP @ 406°F Max 400WOG Rising Stem ~ Bronze Body Ductile Iron Hand Wheel
• Model 971A Lever Handle Petcock 125WSP @ 350° Max. 1/4” NPT Female x 1/8”NPT Male
• Model 972AI Syphon 1/4” NPT Both End Black Iron Pipe 300 WSP Max. 90° Pattern
• Model 972B Syphon 1/4” NPT Both Ends Brass Pipe 200 WSP Max. 180° Pattern
• Model 972I Syphon 1/4” NPT Both Ends Black Iron Pipe 300 WSP Max. 180° Pattern
• Model 974 Pressure Gauge 1/4” NPT Connection 21/2” Face Available in 60, 100, 160 & 200 lbs. Pressure.
• Model 974 Pressure Gauge 1/4” NPT Connection 31/2” Face Available in 160, 200 & 300 lbs. Pressure.
• Model 974B 2½” Back Connect Gauge 21/2” Face 1/4” NPT Connection Available in 100 lbs. Pressure.
• Model 973 Tee Handle Cock 125WSP @ 350° Max. 1/4” Double Female NPT
• Model 1001K Reducing Valve Installation Kit Kits Available From 1/4” – 2”
• Model 1010 Reducing Valve (Air & Water Applications) Max. Inlet Pressure – 200WOG Adjustment Range – 5 – 120PSI Bronze Piston & Cylinder Neoprene Diaphragm
• Model 3059 Float Ball Rod 1/4” Connection by 10” in Length Includes 2 pcs. 1/4” Brass Nuts for Attaching Rod to Ball
• Model 3060 3/4” Float Valve Max Inlet Water Pressure 50PSI Max Operating Temperature 300° F Bronze Body Brass Piston EPDM Disc & O-Ring
• Model 3050 ½” Float Valve Max Inlet Water Pressure 50PSI Max Operating Temperature 300° F Bronze Body Brass Piston EPDM Disc & O-Ring
• Model 1001 Reducing Valve (Steam & Oil Applications) Max. Inlet Pressure – 200WSP Max. Reduced Pressure – 150WSP * 2” Size only max reduced pressure – 125WSP Specify Pressure Range: 0 – 45PSI or 20 – 150PSI
• Model 34011 Long Shank Water Gauge Fixture Set W/Ball Valve for Blow Off 250 WSP @ 406°F Max 400WOG Rising Stem
• 34014 1/2” Long Shank Water Gauge Fixture Set with Ball Check 250 WSP @ 406°F Max 400WOG~Rising Stem
• 34014PW 1/2” Long Shank Water Gauge Fixture Set with Ball Checks and Plastic Hand Wheels 250 WSP @ 406°F Max 400WOG~Rising Stem
• 34015 1/2” Short Shank Water Gauge Fixture Set with Ball Check 250 WSP @ 406°F Max 400WOG~Rising Stem
• Model 34012 Short Shank Water Gauge Fixture Set W/Ball Valve for Blow Off 250 WSP @ 406°F Max 400WOG Rising Stem
• Model 34013 Long Shank Water Gauge Fixture Set W/Ball Valve for Blow Off and Plastic Hand Wheels 250 WSP @ 406°F Max 400WOG Rising Stem
• 34015PW 1/2” Short Shank Water Gauge Fixture Set with Ball Checks and Plastic Hand Wheels 250 WSP @ 406°F Max 400WOG~Rising Stem
• 34017 1/2” Long Shank Water Gauge Fixture Set 250 WSP @ 406°F Max 400WOG~Rising Stem
• Model 34019 Expansion Tank Fixture Set 250 WSP @ 406°F Max
• 34018 1/2” Short Shank Water Gauge Fixture Set 250 WSP @ 406°F Max 400WOG~Rising Stem
• Model 34031 Short Shank Water Gauge Fixture Set W/Ball Checks and Ball Valve for Blow Off 250 WSP @ 406°F Max 400WOG Rising Stem
• 34020 1/2” Long Shank Water Gauge Fixture Set with Plastic Hand Wheels 250 WSP @ 406°F Max 400WOG~Rising Stem
• Model 34032 Long Shank Water Gauge Fixture Set W/Ball Checks and Ball Valve for Blow Off 250 WSP @ 406°F Max 400WOG Rising Stem
• 34021 1/2” Long Shank Water Gauge Fixture Set Less Protector Rods 250 WSP @ 406°F Max 400WOG~Rising Stem
• 34033 1/2” Short Shank Water Gauge Fixture Set Less Protector Rods 250 WSP @ 406°F Max 400WOG~Rising Stem
• Model 34036 Long Shank Water Gauge Fixture Set W/Ball Checks, Plastic Hand Wheel and Ball Valve for Blow Off 250 WSP @ 406°F Max 400WOG Rising Stem
• Model 34038 Short Shank Water Gauge Fixture Set W/Ball Checks, Plastic Hand Wheel and Ball Valve for Blow Off 250 WSP @ 406°F Max 400WOG Rising Stem
• Model RS50 Float Ball 5” Round Ball with 1/4” Connection Spun Copper Construction
• Model VC25WT Pneumatic Whistle Valve 125WSP @ 350° Max 200 WOG 100% Pressure Tested Threaded Ends PTFE Disc • Integral Seat
• Model 17 Gate Valve Conforms to MSS-SP80-97 150WSP @ 366°F Max 300 WOG
• Model 34041 High Pressure Boiler Gauge Fixture Set With Ball Checks 250WSP @ 406⁰ F ASME Compliant per B31.1 and Section One, PG 60 Appendix A18 of ASME Boiler Code
• Model RS45 Float Ball 4” X 5” Oblong Ball with 1/4” Connection Spun Copper Construction
• Model 15 Gate Valve 125 WSP @ 350 ° Max 200 WOG * 100% Pressure Tested Threaded Ends * Non-Rising Stem
• Model 18 Gate Valve Bronze Screwed Ends Outside Screw & Yoke UL Listed / FM Approved @ 175 lbs. WOG 200 WOG @ 180 ° Max 100% Pressure Tested Rising Stem
• Model 19 Boiler Drain Valve 125 CWP @ 180° F Max. All Brass Construction with Buna Disc
• Model 25WACT Whistle Valve Quick-Opening Self-Closing Globe Valve 200WSP • 400 WOG 100% Pressure Tested Threaded Ends PTFE Disc • Integral Seat
• Model 25WT Whistle Valve Quick-Opening Self-Closing Globe Valve 200WSP @ 406° Max 400 WOG 100% Pressure Tested Threaded Ends PTFE Disc • Integral Seat

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