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About STR 640
STR 640
Strainer for heating and cooling systems. Available in pressure class PN 25.
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
21 00 00 - Fire Suppression
22 00 00 - Plumbing
23 00 00 - Heating, Ventilating, and Air Conditioning (HVAC)
23 50 00 - Central Heating Equipment
23 60 00 - Central Cooling Equipment
23 70 00 - Central HVAC Equipment
23 80 00 - Decentralized HVAC Equipment
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