McDonnell & Miller 158S Controller Els PW 17895 The Belimo B331 is a
Platform notes & fabric story
Description
McDonnell & Miller 158S Controller Els PW 17895 The Belimo B331 is a The Belimo B331 is a high performance 1 1 4 inch NPT 3 way characterized control valve engineered for precise flow regulation in demanding hydronic systems Optimized System Efficiency: Maintains secondary sealing to prevent energy loss and protect the actuator from fluid bypass or steam escape