Manufacturers of quality control valves and regulators.

• See also:
• Masterformat 2004
• 21 05 23 - General-Duty Valves for Water-Based Fire-Suppression Piping
• 22 05 23 - General-Duty Valves for Plumbing Piping
• 23 05 23 - General-Duty Valves for HVAC Piping
• Masterformat 1995
• 15110 - Valves