The best ball valves
in the business.

CYCLEMASTER® ball valves feature full port construction, environmentally friendly, chromium-plated balls for reduced wear and extended seal life, and our exclusive MCM™ seals for industry-leading longevity and low leak rates. Optional features include access ports, brass and valox seal caps, three-way body styles, and motorized actuators to provide local or remote operation.

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Ball Valves: Transcritical 140 Bar

Mueller Refrigeration announces the release of a new ball valve series designed to address the market requirements for operating pressures and temperatures above the critical point for CO2.

Mueller Industries Photo

Quality & Technical Information

  • Design Pressure (DP) / Maximum abnormal pressure (MAP): 2031 psi, 140 bar
  • Continuous operating temperature (COT): -40°F/300°F, -40°C/149°C
  • Designed for transcritical CO2 systems
  • Full port construction to match line size ID
  • Internally equalized ball design
  • Rupture-proof encapsulated stem
  • MCM Seal Technology
  • UL/cUL Listed, Conforms to EU Pressure Equipment Directive and UK Pressure Equipment Regulation, CRN 0C1241.9C


  • Refrigeration
  • Air Conditioning

Specifications & Technical Drawings

  • Transcritical - Dimensions - English / Metric


  • Transcritical- Dimensions - Chinese / Metric


  • Transcritical- Dimensions - Spanish / Metric


  • Ball Valve Specification


  • Installation Instructions