Motor-Driven Metering Pump Sigma/ 2 (Basic type) – Bơm Định Lượng ProMinent

Capacity range 50 – 420 l/h, 16 – 4 bar

Robust motor-driven metering pumps like the Sigma/ 2 Basic guarantee excellent process reliability with their patented multi-layer safety diaphragm.

The diaphragm metering pump offers a number of power end versions, also suitable for use in areas at risk from explosion.

Danh mục: AUTOMATION, Motor-Driven Metering Pumps Bơm Định Lượng, PROMINENT

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Motor-Driven Metering Pump Sigma 2 (Basic type) – Bơm Định Lượng ProMinent

Capacity range 50 – 420 l/h, 16 – 4 bar

Robust motor-driven metering pumps like the Sigma/ 2 Basic guarantee excellent process reliability with their patented multi-layer safety diaphragm.

The diaphragm metering pump offers a number of power end versions, also suitable for use in areas at risk from explosion.

The robust pump for safe and reliable use.

The Sigma/ 2 diaphragm metering pump, together with pumps of type Sigma/ 1 and Sigma/ 3, represents an integrated product range.

They cover the capacity range from 17 to 1,030 l/h, with a consistent operating concept, control concept and spare parts management.

A wide range of power end versions is available, including some for use in ATEX areas.

Your benefits

Excellent process reliability:

In the event of an accident, the feed chemical does not escape to the outside nor into the pump’s power end, thanks to the patented multi-layer safety diaphragm with optical (optionally electric) signalling
Integrated relief valve protects the pump against overloading
Reliable operation by bleed option during the suction process

Flexible adaptation to the process:

The Sigma product range is available as standard in the ‘Physiologically safe in respect of wetted materials’ ‘F’ design.
Metering pumps with electro-polished stainless steel metering head enable them to be used in hygienically challenging applications
Wide range of power end versions, also for use in areas at risk from explosion, and different flange designs for the use of customised motors

Field of application

The following list of applications are general examples of generally suitable applications for this product.

Please contact your local sales representative to talk about the applicable use of this product in your specific case / environment.

Volume-proportional addition of chemicals in water treatment, e.g. sodium-calcium hypochlorite for the disinfection of potable water
Addition of chemicals depending on the measured value, e.g. metering of acid and alkali for pH neutralisation in wastewater treatment
Time-controlled addition of chemicals in the cooling water circuit
Pulse-controlled metering in the bottling of different volumes e.g. glycerin filling of manometers

Technical Details

Stroke length: 5 mm,
Stroke length adjustment range: 0 – 100%
Stroke length adjustment: manually using self-locking rotary dial in 1% increments (optionally with actuator or control drive)
With the right, constant conditions, correct installation and calibration, precision exceeds ±1 %, based on maximum stroke volume.
Wetted materials: PVDF, stainless steel 1.4571/1.4404, special materials on request
Patented multi-layer safety diaphragm with optical diaphragm rupture display (an option with diaphragm rupture warning system via a contact)
Integrated hydraulic relief and bleed valve
A wide range of power end versions is available: Three-phase standard AC motor, 1-phase AC motor, motors for use in areas at risk from explosion and different flange designs for use in customer-specific motors
For areas at risk from explosion II 2G Ex h IIC T3 Gb X or II 2G Ex h IIC T4 Gb X (optional)
IP 55 degree of protection
High-strength fibreglass-reinforced plastic housing with excellent chemical resistance
For reasons of safety, provide suitable overflow devices during installation for all mechanically deflected diaphragm metering pumps.

Technical Data

Type	Capacity at max. back pressure with 1500 rpm motor at 50 Hz				Pump capacity at max. back pressure with 1800 rpm motor at 60 Hz			Suction lift	Perm. pre-pressure suction side	Connector Suction/Discharge Side	Shipping weight
				Max. stroke rate			Max. stroke rate
S2Ba	l/h	bar	ml/stroke	Strokes/min	l/h / gph (US)	psi	Strokes/min	m WC	bar	G-DN	kg
* For the Sigma types 07120, 07220 and 04350, the dosing head is fitted with DN 25 (G 1 1/2) valves. As DN 20 is generally sufficient for the pipework for these types (see technical data, suction/discharge side connector), the connector parts that can be ordered with the identity code (e.g. inserts) are already reduced to DN 20, i.e. DN 20 pipework and accessories can be installed.
16050 PVT	50	10	11.4	73	60.0/15.8	145	87	7	3	1–15	15
16050 SST	47	16	11.4	73	56.0/14.7	232	87	7	3	1–15	20
16090 PVT	88	10	11.4	132	106.0/28.0	145	158	7	3	1–15	15
16090 SST	82	16	11.4	132	98.4/25.9	232	158	7	3	1–15	20
16130 PVT	135	10	10.9	198	162.0/42.8	145	238	7	3	1–15	15
16130 SST	124	16	10.9	198	148.0/39.0	232	238	7	3	1–15	20
07120 PVT *	126	7	27.4	73	150.0/39.6	102	87	5	1	1 1/2–25	16
07120 SST *	126	7	27.4	73	150.0/39.6	102	87	5	1	1 1/2–25	24
07220 PVT *	220	7	27.7	132	264.0/69.7	102	158	5	1	1 1/2–25	16
07220 SST *	220	7	27.7	132	264.0/69.7	102	158	5	1	1 1/2–25	24
04350 PVT *	350	4	29.4	198	420.0/110.9	58	238	5	1	1 1/2–25	16
04350 SST *	350	4	29.4	198	420.0/110.9	58	238	5	1	1 1/2–25	24

Performance data for TTT, see type PVT

Integrated relief valve, connector for DN 10 pressure hose sleeve

Materials in Contact with the Medium

Identity code of material	Dosing head	Connection on suction/discharge side	Seals/ball seat	Balls	Integral relief valve
* With 07120, 07220, 04350
** Specifically for areas at risk from explosion
PVT	PVDF	PVDF	PTFE/PTFE	Ceramic/glass *	PVDF/FKM or EPDM
SST	Stainless steel 1.4404	Stainless steel 1.4581	PTFE/PTFE	Stainless steel 1.4404	Stainless steel/FKM or EPDM
TTT **	PTFE + 25% carbon	Carbon-filled PTFE	PTFE/PTFE	Ceramic/glass *	–
PVF	PVDF	PVDF	PTFE/PTFE	Ceramic/glass *	PVDF/FKM or EPDM
SSF	Stainless steel 1.4404	Stainless steel 1.4581	PTFE/PTFE	Stainless steel 1.4404	Stainless steel/FKM or EPDM
SSG	Stainless steel 1.4404	Stainless steel 1.4581	PTFE/stainless steel 1.4404	Stainless steel 1.4404	–
SSH	Stainless steel 1.4435	Stainless steel 1.4435	EPDM or FKM/stainless steel 1.4435	Ceramic	–

Motor Data

Identity code specification	Power supply	Δ/Y			Remarks
S	3-phase, IP 55^*	230 V/400 V	50 Hz	0.25 kW
T	3-phase, IP 55^*	230 V/400 V	50 Hz	0.25 kW	With PTC, speed control range 1:4
		265 V/460 V	60 Hz	0.25 kW
R	3-phase, IP 55^*	230 V/400 V	50 Hz	0.37 kW	With PTC, speed control range 1:20 with external fan (1-phase 230 V; 50/60 Hz, 134 W)
M	1-phase AC, IP 55	230 V ± 5 %	50 Hz	0.18 kW
N	1-phase AC, IP 55	120 V ± 5 %	60 Hz	0.18 kW
L1	3-phase, II2GExellT3	220 – 240 V/380 – 420 V	50 Hz	0.18 kW
L2	3-phase, II2GExdllCT4	220 – 240 V/380 – 420 V	50 Hz	0.18 kW	With PTC, speed control range 1:5

Motor data sheets can be requested for more information. Versions 265/460V – 60Hz, special motors or special motor flanges are available on request.

Motors less than 0.75 kW and motors designed for speed-controllable operation are not subject to the IE3 standard in compliance with the Ecodesign Directive 2009/125/EC.

Information for use in areas at risk from explosion

Only use pumps with the appropriate labelling in line with the ATEX Directive 2014/34/EC in premises at risk from explosion.

Ensure that the explosion group, category and degree of protection specified on the label correspond to or are superior to the conditions prevalent in the intended application.

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