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Specifically designed as a 9-9 Delavan Siphon Nozzle (cross-referenced with Delavan 30609-9)
an additional step-down regulator is required to prevent damage to the internal diaphragm
this FNPT check valve is built to withstand the rigorous pressure and thermal fluctuations common in commercial and industrial piping arrays
While optimized for boiler safety
Belimo NMQB24-MFT Actuator 30067439-890 Specifically designed as a 9-9The Belimo NMQB24 MFT Actuator is a non spring return, high speed solution designed for precise proportional damper control in commercial HVAC systems. Delivering a steady 70 in lb torque, this multifunction technology (MFT) actuator offers field programmable flexibility via 24Vac dc power. It natively supports a 2 10Vdc control signal, but remains adaptable for 4 20mA modulation (using a 500 Ohm resistor), PWM (1500 Ohm), and floating point or on off
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