Product Features:
·Compact structure, reliable sealing performance, long service life
·Widely used in fluid pipeline control system if water plant, power plant, steel mill, paper mill, chemical plant and buildings, acting as regulator of medium in the pipeline.
·Soft seal middle line butterfly valve advantages is good sealing performance.
·The advantages of hard sealing butterfly valve is high temperature,abrasion resistance,good mechanical properties.

Electric Actuator Main Parameters:
·Input Signal: On/off
·Output Signal: On/off or 4-20mA
·Basic Error: ±1%;
· Deadline: 0.5%~3%(continuously adjustable);
· Power Supply: Three-Phase 380V 50Hz; Single-Phase 220V 50Hz(for selected);
· Working Environmental Temperature: Integral-type -10℃~+55℃; Separate-type -25℃~+70℃ ;
· Humidity: ≤85%(surrounding air does not have corrosive elements);
· Protection Grade: IP65; Bus type & Intelligent type IP67;
· Communication Interface: Bus type conforms to PROFIBUS-DP.

Dimension

Nominal diameter DN		Electric actuator	Torque Nm	H	D	n-φ	C	L	L1	H1
mm	inch
40		BELL-10	100	65	110	4-φ18	33	410	340	327
50	2＂			80	120	4-φ23	42			378
65				89	136.2	4-φ26.5	44.7			392
80	3＂			95	160	8-φ18	45.2			398
100	4＂	BELL-25	250	114	185	4-φ24.5	52.1	493	300	536
125	5＂			127	218	4-φ23	54.4			549
150	6＂			139	238	4-φ25	55.8			562
200	8＂			175	295	4-φ25	60.6			596
250	10＂			203	357	4-φ29	65.6			628
300	12＂	BELL-60	600	242	407	4-φ29	76.9	605	360	657
350	14＂			267		4-φ30	76.5			688
400	16＂	BELL-160	1600	301		4-φ26	86.5	612	372	761
450	18＂			327		4-φ26	105.6			783
500	20＂	BELL-250	2500	361		4-φ26	131.8	Foot-mounted electric actuator is suggested.
600	24＂			459		20-φ30	152
700	28＂	BELL-400	4000	527	840	24-φ30	165
800	32＂			594	950	24-φ33	190
900	36＂	BELL-600	6000	653	1050	28-φ33	205
1000	40＂			718	1160	28-φ33	218