ANSI: American National Standards Institute.

  • B16.1-89: Cast Iron Pipe Flanges and Flanged Fittings.
  • B16.4.85: Cast Iron Threaded Fittings; classes 125 and 250.
  • B16.5-88: Pipe Flanges and Flanged Fittings.
  • B16.10-86: Face- To -Face and End-To-End Dimensions of Valves.
  • B16.34-88: Valves-Flanged, Threaded, and Welding End.
  • B16.36-88: Orifice Flanges.
  • B16.37-80: Hydrostatic Testing of Control Valves.
API: American Petroleum Institute.

ASTM: American Standards for Testing and Materials.

  • ASTM A - 536: Ductile Iron Castings.
  • ASTM B-62: Composition Bronze or Ounce Metal Casting.
  • ASTM B-584
  • ASTM A-126 B: Gray Iron Casting for valves, Flanges, and Pipe Fittings.
  • ASTM A 153

AWWA: American Water Works Association.

  • C100: AWWA Standards for cast-iron pipe and fittings.
  • C-104-85: Standard for Cement- Mortar Lining for Ductile-iron Pipe and Fittings for water.
  • C-105-88: Standard for Polyethylene Encasement for Ductile-iron Piping for water and other Liquids.
  • C111-85: Standard for Rubber Gasket Joint for Ductile-Iron and Gray-Iron Pressure Pipe and Fittings.
  • C115-88: Standard for Flanged Ductile-Iron Pipe with Threaded Flanges.
  • C150-81: Standard for Thickness Design of Ductile-Iron Pipe. .
MSS: Manufacturers Standardization Society of the Valves and Fittings Industryn Inc.
ISO: International Organization for Standardization.

DIN: Deutsche Industrie Normen.

  • DIN 2501: Flanges Mating Dimensions.
Nch: Norma Chilena Oficial. (Instituto Nacional de Normalización. INN Chile).

Main Office and Foundry:
Alvarez de Toledo 764 - San Miguel - Santiago de Chile
Telephone: (56-2) 552 7908 - Fax: (56-2) 552 8067

Valves Factory:
Correa Errázuriz 2150 - Pedro Aguirre Cerda - Santiago de Chile
Telephone: (56-2) 563 0072