BS-878
Product features
Applies to DN20 to DN50 two / three way ball valve;
The hysteresis clutch motor, torque motor will not burn;
The manual adjustment function;
The analog control (DC 0-10 V) rotary actuator valve or three control valve for BS878 series valve;
The working voltage: AC 24V;
The positioning signal: three bit floating point, with a 0.9 meter long wire.
Ambient temperature: -32-55oC

Product application
    BS878 series of electric valve is suitable for HVAC system, as the control and safety valve, suitable for closed system.

Technical parameters

Picture		Actuator
		Control  signal	3 AC24V		BSGD31.9E		BSGL31.9E
			0-10V AC24V		BSGD61.9E		BSGL61.9E
		Total travel time			150s		150s
		Nominal angle/Maximum angle			90°/95°±2°		90°/95°±2°
		90°Angle running time			90s		150s(50Hz)125s(60Hz)
		Torque value			5Nm		10Nm
		Spring reset function			No		No
		Connection cable			0.9m		0.9m
Valve type		DN(mm)	Rp(inch)	KVS(m/h)	Ps(kpa)	Pmas(kpa)	Ps(kpa)	Pmas(kpa)
2-way	3-way				1400	350
BS878.20-2	BS878.20-3	DN20	Rp	4	1400	350
BS878.20-2	BS878.20-3	DN20	Rp	6.3	1400	350
BS878.20-2		DN25	Rp	10	1400	350
BS878.25-2		DN25	Rp1	6.3	1400	350
BS878.25-2	BS878.25-3	DN25	Rp1	10	1400	350
BS878.25-2		DN25	Rp1	16
BS878.32-2		DN32	Rp	10			1000	350
BS878.32-2	BS878.32-3	DN32	Rp	16			1000	240
BS878.32-2		DN32	Rp	25			1000	240
BS878.40-2		DN40	Rp	16			800	350
BS878.40-2	BS878.40-3	DN40	Rp	25			800	240
BS878.40-2		DN40	Rp	40			800	240
BS878.50-2		DN50	Rp2	25			600	350
BS878.50-2		DN50	Rp2	40			600	240
BS878.50-2	BS878.50-3	DN50	Rp2	63			600	24