ST-BM Series

**ST-BM Series — Dual-Stage Brushless Vacuum Pump (R32 Compatible)** The SHENGBANG ST-BM series is a portable dual-stage vacuum pump powered by a brushless pure-copper DC motor. Built-in solenoid valve and vacuum gauge, reaching an ultimate vacuum of 2 Pa. **Key features:** - Brushless pure copper DC motor, compact & lightweight - Dual-stage structure, ultimate vacuum 2 Pa - Built-in solenoid valve and vacuum gauge - Full-copper air inlet, internal filter screen, oil sight window - Spark-free explosion-proof design - Models: ST-2BM (1.5L) to ST-15BM (7L), displacement 7-25 L/min - Compatible with all common refrigerants incl. R32 **Applications:** air-conditioner installation and repair, refrigeration maintenance, vacuum work.