pneumatic control valve positioner

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from you and me   Valve Positioner, mounted on a pneumatic actuator, moves the actuator by receiving Dc4 to 20mA signals from a controller Pass CE authentication
Pass explosion proof (Exia BT6, Exdm BT6, Exdm CT6) authentication
Pass Ip66 authentication
High anti-vibration (none effective In 5 to 200 Hz)
The linking of air duct is perforated form, convenient tor the linking in all direction
Convenient for the transform of positive action and counteraction
1/2spllt range available by simple adjustments without changing parts
Easy maintenance
Simple structure for feed back connection
Econemical energy saving     Technical data:  

Description Model
	Linear		Rotary
	Single	Double	Single	Double
Input signal	4~20mA DC
Impedance	250±15Ω
Supply pressure	1.4~77kgf/cm²(20~100psi)
Stroke	10~150mm 0~90°
Air connection	PT(NPT)1/4
Gauge connection	PT(NPT)1/8
Conduit	PF1/2(G1/2)
Explosion proof	Exdm II B(C)T6   Exia II BT6
Protection	IP66
Ambient temperature	-20°C~70°C
Linearity	±1%F.S. ±2%F.S.
Hysteresis	±1%F.S.
Sensitivity	±0.2%F.S. ±0.5%F.S.
Repeatability	±0.5%
Air consumption	3LPM(Sup=1.4kgf/cm²,20psi)
Flow capacity	80LPM(Sup=1.4kgf/cm²,20psi)
Material	Aluminum alloy
Weight	2.7kg(6lb)2.8kg(6.2lb)