Process Development & Control is a leading manufacturer of industrial butterfly valves for HVAC, furnace, blower and exhaust air transfer systems.

• 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
• 23 50 00 - CENTRAL HEATING EQUIPMENT
• 23 60 00 - CENTRAL COOLING EQUIPMENT
• 23 70 00 - CENTRAL HVAC EQUIPMENT
• 23 80 00 - DECENTRALIZED HVAC EQUIPMENT
• Masterformat 1995
• 15110 - Valves
• 15700 - Heating, Ventilating, Air Conditioning Equipment