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including those using glycol mixtures
The Armstrong International D25932
the Spence D50 is a direct-acting regulator
Environmentally Sealed: Achieves an IP65 rating to prevent short circuits caused by condensation or external fluid leaks
this specific model is calibrated strictly for R-22 2-ton TXV applications
Spence E-3/4 Valve THPU32HP7Y including those using glycol mixturesThe Spence E 3 4 is a 3 4 inch pilot operated pressure regulator designed for high performance steam service. Built with a rugged cast iron body and a normally closed design, this E series main valve is a staple for HVAC steam heating systems and industrial process control. It functions as the primary diaphragm actuated valve when paired with a variety of Spence pilots, allowing for precise pressure reduction, temperature regulation, or back pressure