Cello Products Inc. certifies that it manufactures all its cast brass and wrought copper solder joint fittings to the general specifications outlined in the following industry standards.

Wrought Copper and Copper Alloy Solder Joint Pressure Fittings: ASME/ANSI std. B16.22 - 2001
Cast Copper Alloy Solder Joint Pressure Fittings: ASME/ANSI Std. B16.18 - 2001
Wrought Copper and Wrought copper Alloy solder Joint Drainage Fittings -- DWV ASME/ANSI Std. B16.29 - 2001
Cast Copper Alloy Solder Joint Drainage Fittings: ASME/ANSI Std. B16.23 - 2001
Bronze Pipe Flanges and Flanged Fittings: ASME/ANSI Std.16.24 - 2001
Cast Bronze Threaded Fittings: ASME/ANSI Std. B16.15 - 1985
Wrought Copper LW Solder Joint Pressure Fittings: MSS SP-104 - 1990
Cast Copper Alloy Flanges and Flanged Fittings Class 125, 150, 300: MSS SP-106 - 1990




Cello further certifies that the materials used to manufacture these fittings are made in compliance with the following industry standards:

Tubular Wrought Copper:

Standard Specification for Seamless Copper Tube: ASTM B75 Alloy C12200

Products Made From Sheet:

Standard Specification for copper sheet, Strip, Plat and Rolled Bar: ASTM B152 Alloy C11000

Cast Products:

Standard Specification for Copper Alloy Sand Castings for General Applications; Federal Specification WW-U-516 for Type III, Class A and B Copper Alloy Unions: ASTM B584 Alloy C84400



All Cello Products Inc. wrought copper fittings are NSF61 registered.

All Cello Products Inc. pressure fittings have Canadian registration Numbers (CRN).

0A4925.5C Pressure pipe fittings
0B4925.5C Flanges





The industry standards are:

  • ANSI (American National Standards Institute)
  • ASME (The American Society of Mechanical Engineers)
  • MSS (Manufacturers Standardization Society of the Valve and Fittings Industry Inc.)
  • ASTM (American Society for Testing and Materials)


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