Fittings & Nipples
Quality Pipe Fittings, Flanges, Olets, and Nipples — Carbon Steel, Stainless, Brass & Copper
At UPP, we supply one of the most complete inventories of fittings and nipples in Upstate New York — serving Waterford and surrounding regions. From carbon steel and stainless weld fittings to press copper and lead-free brass, our products meet ASTM/ASME and ANSI standards for strength, safety, and long-term reliability.
Whether you’re building, repairing, or expanding a system, we have the right material, pressure class, and configuration to get the job done.
Carbon Steel & Stainless Weld Fittings
Sizes: ½″ through 48″
Schedules: STD, SCH 40, SCH 80, SCH 120, SCH 160, XH, XXH
Types:
90° & 45° Elbows | Tees | Reducing 90° Elbows | Concentric & Eccentric Reducers | Stub Ends | Crosses | Laterals | Return Bends
Grades:
A/SA 234 WPB • A/SA 403 304/L & 316/L
Ideal for high-pressure or process piping systems requiring precision welds and corrosion resistance.


Flanges
Sizes: ½″ – 48″
Classes: 150# – 2500#
Options: Reducing & Orifice Flanges | Galvanized Flanges
Specifications: A/SA 105 • A/SA 182 304/L & 316/L • ANSI B16.5
Machined to meet industry standards for strength and alignment. Suitable for weld, threaded, or slip-on applications.
Forged Carbon & Stainless Fittings
Sizes: ⅛″ – 4″
Pressure: 2000# – 6000#
Styles:
90° Elbows | Street 90° | 45° Elbows | Tees | Crosses | Caps | Couplings | Reducing & Half Couplings | Laterals | Unions | Bushings | Plugs (Hex, Square, Round) | Orifice Unions with 316 SS Plates
Materials: SA105 • SA182 304/L & 316/L

Olets — Threaded, Socket Weld & Butt Weld
Connection Types: THD, SW, BW, Elbow & Lateral Outlets
Sizes: ¼″ – 12″ (2000# – 6000#)
Large Sizes: 14″ and up – POA
Buttweld Outlets: STD & XH Bore (⅛″ – 24″)
Tank Flanges: ⅛″ – 4″ • 250 Series • Piloted
Grades: SA105 • SA182 304/L & 316/L


Malleable Iron Fittings
Sizes: ⅛″ – 8″ • 150# & 300#
Finish: Black or Galvanized
Common Types: 90° & 45° Elbows, Street Elbows, Tees (Bullhead), Crosses, Caps, Couplings, Reducing Couplings, Bushings, Plugs, Unions, Floor Flanges
Durable, economical, and widely used for general service piping.

Stainless Steel Threaded Fittings
Sizes: ⅛″ – 4″ • 150#
Grades: 304 & 316
Includes 90° & 45° Elbows, Street Elbows, Tees, Crosses, Caps, Couplings, Reducing Couplings, Bushings, Plugs, and Unions. Excellent corrosion resistance for food, chemical, or marine environments.

Nipples
Sizes: ⅛″ – 8″
Finishes: Black & Galvanized
Construction: Welded or Seamless • STD • XH • SCH 80 Seamless
Nipple runs and custom lengths available upon request. Perfect for connecting threaded runs or extensions.

Wrot / Press Copper
Sizes: ½″ – 4″ • 125# / 200# (–4 to 250 °F)
Material: Lead-Free Brass & Copper
Products: 90° & 45° Elbows, Tees, Crosses, Caps, Couplings, Reducers, Bushings, Plugs, Unions, Companion & CTS Flanges.
Designed for press-fit or solder applications in potable water systems.

Brass — Lead-Free
Sizes: ½″ – 4″ • 125#**
Full line of elbows, tees, crosses, caps, couplings, reducers, bushings, plugs, unions, and companion flanges. Safe for potable water and compliant with lead-free regulations.

Compression Fittings
Sizes: ⅛″ – 1″
Materials: Stainless & Brass
Available configurations: 90° Elbows, Unions, Male/Female Connectors, 45° Elbows, Tees, Caps & Plugs, Port Connectors, Tube Adapters, Crosses, Reducers.
3-Piece Ball Valves also available.


