Walworth API-600 Cast Steel Swing Check Valve
Walworth manufactures in accordance with ANSI classes 150, 300, 600, 900, 1500 and 2500# and sizes 2″ up to 72″ nominal diameter. This product line is manufactured as per API-6D & API-594 design requirements for swing checks. Walworth offers the standard product line of API 600 Cast Steel valves in a wide variety of carbon steel, low and medium alloy materials, that can be used in combination with listed API-600 trims. Walworth does off additional materials like stainless steel, nickel and exotic alloys using the heavy wall thickness patterns to meet those end user requirements which does not accept the light pattern as per API-603.