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or motor control centers
ensuring the HVAC combustion control system operates at peak efficiency
This model fits standard round shafts from 5/16" to 5/8" and square shafts from 1/4" to 1/2"
this valve ensures stable modulation and tight shut-off in demanding hydronic applications
Always verify the force requirements of the valve against the actuator's rated output before installation
Siemens Building Technology 658-0012 Valve 328140-751 or motor control centersThe Siemens Building Technology 658 0012 is a heavy duty 1" N O pneumatic radiator valve engineered for proportional control in two pipe steam or hot water heating systems. As part of the professional grade Siemens Powertop 658 Series, this angle union valve features a 10 Cv flow coefficient and a field tested 2 6 psi spring range. Designed for the rigors of commercial mechanical rooms, the unit includes a stainless steel stem for enhanced durability
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