美国帕斯菲达pulsafeeder电磁计量泵LPG5EB-PTC3,加药泵流量调节方式：脉冲+液位信号控制，泵头材质:PP
*手动:频率，冲程同时可调 *流量0.5-95升/小时，压力2-21Bar *自动：可选4-20mA脉冲信号，液位信号接收功能 *21种机型
美国帕斯菲达pulsafeeder电磁计量泵LPG5EB-PTC3,加药泵流量调节方式：脉冲+液位信号控制，泵头材质:PP
运行原理
隔板式计量泵用来分配化学药品或流体。通过连接到隔板的电磁驱动机制（电磁线圈） 来达到这一目的。当电磁线圈受到控制回路的脉冲作用时，电磁线圈使隔板移位，通过 止回阀的作用，使流体在压力作用下流出出口。当电磁线圈断电时，它使隔板回复原位， 将更多流体抽入泵头，循环反复进行。
泵的行程速率可通过内部电路控制，并通过转动速率旋钮予以改变。机械行程长度受行程长度旋钮控制。有些型号不允许控制行程速率，因此没有行程速率旋钮。
PULSAtron Series E Plus Metering Pump
504 GPD @ 20 PSI, 230 VAC
4-20 mA Input with Dual Manual Control and Stop Function Input
Stroke frequency control via 4-20 mA signal input, manual stroke length control. Stroke frequency is manually adjustable when in local control. Includes stop function input.
General Description
Pulsafeeder PULSAtron Series E Plus chemical metering pumps are positive displacement, diaphragm type pumps. Output volume is adjustable while pumps are in operation from zero to maximum capacity. The PULSAtron Series E Plus contains a highly reliable timing circuit as well as circuit protection against voltage and current upsets. This pump features solenoid protection by thermal overload with auto-reset. The Series E Plus guided check valves, with their state-of-the-art seat and ball designs, provide precise seating, and excellent priming and suction lift characteristics. Our timing circuit is highly reliable and, by design, virtually unaffected by temperature, EMI and other electrical disturbances.
Pump Controls
Adjustment is by means of readily accessible dial knobs, one for changing stroke length and the other for changing stroke frequency. Both knobs are located opposite the liquid handling end. Automatic control via 4-20mA DC and stop function inputs. Auto-Off-Manual switch.
Drive Assembly
The pump drive is totally enclosed with no exposed moving parts. Electronics are housed in chemical resistant enclosure at the rear of the pump for maximum protection against chemical spillage. Average electrical power consumption is 130 Watts.
Materials of Construction
See Specifications tab. Chemical metering pump housing shall be of chemically resistant PBT thermoplastic. All exposed fasteners are stainless steel. Valve seat and seal ring are renewable by replacing the cartridge valve assembly.
Pulsafeeder PULSAtron Series E Plus Chemical Metering Pump - Key Features
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Manual Control by on-line adjustable stroke rate and stroke length.
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Highly Reliable timing circuit.
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Circuit Protection against voltage and current upsets.
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Panel Mounted Fuse.
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Solenoid Protection by thermal overload with auto-reset.
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Water Resistant, for outdoor and indoor applications.
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Indicator Lights, panel mounted.
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Guided Ball Check Valve Systems, to reduce back flow and enhance outstanding priming characteristics.
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Few Moving Parts and Wall Mountable.
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Safe & Easy Priming with durable leak-free bleed valve assembly (standard).
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Reliable metering performance.
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Rated "hot" for continuous duty.
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Leak-free, sealless, liquid end.
Brand:Pulsafeeder
Product:Pumps
Type:Diaphragm Metering Pump, Solenoid Driven
Product Line:PULSAtron Series E PLUS
Operating Modes:4-20 mA / Off / Manual
Max. Flow (GPH):21.00
Max. Flow (GPD):504
Max. Pressure (PSI):20
Max. Viscosity (cps):1,000
Max. Strokes per Minute:125
Flow Control:4-20 mA Input with Dual Manual Control and Stop Function Input
Turn Down Ratio:100:1
Head / Fittings:GFPVDFL
Valve Balls:Ceramic
Diaphragm:PTFE faced CSPE
Valve / Seat / O-ring:TFE
Connections:Tubing 3/4" O.D.
Power Supply:230 VAC 50/60 Hz, US Plug
Notes:No Bleed Valve with this model.
Includes:
A weighted foot valve/strainer assembly, a 1/2" NPT male injection fitting/back pressure check valve assembly, 4' suction tubing, 8' discharge tubing and Owners Manual
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