Cataloged Specifications

Grundfos Specifications

Cataloged Specifications

Grundfos dosing pumps as cataloged in the 2012 all-product brochure: SMART Digital DDA, DDC, and DDE, plus DME, DDI, DMX, and DMH. Covers flow and pressure envelopes only. Chemical compatibility is never resolved here; fluid details go to the RFQ handoff. Disinfection and preparation systems from the same brochure are listed as related systems, not selectable families.

Dosing All Product Brochure, published 2012L-DOS-SL-02 Rev. 10-12Mirrored copy: Grundfos-Dosing-Pump-Catalog.pdf

2012 factory brochure (Rev. 10-12, back cover page 28). The current Grundfos dosing lineup may supersede these models and figures. Verify against current factory literature before quoting. Pages 5-7 are overview matrices that duplicate the family pages and were not separately extracted.

DDA SMART Digital

Latest-generation Digital Dosing pump. Injects and verifies injection, measures flow and pressure in the head, and diagnoses faults such as overpressure, valve leaks, and air bubbles. Always runs at full stroke length regardless of capacity setting.

ActuationMotor-driven diaphragm, variable-speed stepper motor

Flow envelope0.0007 to 8 US gph

Max pressure232 psi

TurndownUp to 3000:1

Wetted head materials: not stated in source. Head materials are not stated on the cited pages of this brochure.

Control variants: FCM variant adds flow measurement with 0/4-20 mA output, pressure monitoring, and AutoFlowAdapt. SlowMode anti-cavitation runs suction at 50 or 25 percent speed for high-viscosity liquids.

Full stroke length at all times: maximum displacement per stroke, optimum accuracy, easy priming, improved suction. (p. 8)
Smooth continuous dosing gives an optimum mixing ratio at the injection point without static mixers and reduces pressure peaks on the diaphragm, tubing, and connections. (p. 8)

Model	Max flow, US gph	Max pressure, psi	Strokes/min	Max viscosity, cps	Suction lift primed, ft	Notes	Page
DDA 7.5-16	1.98	232	190	2500	19.6	Setting range 3000:1. Viscosity printed as 2500/50 cps.	9
DDA 12-10	3.17	150	155	2500	19.6	Setting range 1000:1. Viscosity printed as 2500/300 cps.	9
DDA 17-7	4.5	101.5	205	2000	19.6	Setting range 1000:1. Viscosity printed as 2000/300 cps.	9
DDA 30-4	8	60	180	1500	19.6	Setting range 1000:1. Viscosity printed as 1500/150 cps.	9

Source: Grundfos-Dosing-Pump-Catalog.pdf, printed pages 4, 8, 9

DDC SMART Digital

SMART Digital series in three sizes and two control options, the continuity line for the DME and DDI digital dosing ranges. Removable mounting bracket and flexible control panel installation. Always runs at full stroke length, with a built-in 100-stroke calibration program.

ActuationMotor-driven diaphragm, variable-speed stepper motor

Flow envelope0.0015 to 4 US gph

Max pressure150 psi

Turndown1000:1

Wetted head materials: not stated in source. Head materials are not stated on the cited pages of this brochure.

Control variants: Two control options, A and AR. SlowMode anti-cavitation runs suction at 50 or 25 percent of maximum speed.

Full stroke length at all times: maximum displacement per stroke, optimum accuracy, easy priming, improved suction. (p. 10)
Calibration: run the 100-stroke program into a graduated glass, correct the displayed figure once, then adjust dosage without recalibrating. (p. 10)

Model	Max flow, US gph	Max pressure, psi	Strokes/min	Max viscosity, cps	Suction lift primed, ft	Notes	Page
DDC 6-10	1.5	150	140	2500	19.6	Setting range 1000:1. Viscosity printed as 2500/50 cps.	11
DDC 9-7	2.4	100	200	2000	19.6	Setting range 1000:1. Viscosity printed as 2000/50 cps.	11
DDC 15-4	4	60	180	2000	19.6	Setting range 1000:1. Viscosity printed as 2000/300 cps.	11

Source: Grundfos-Dosing-Pump-Catalog.pdf, printed pages 4, 10, 11

DDE SMART Digital

Economic two-size SMART Digital line for basic dosing. Appears to be a solenoid pump but is stepper motor driven. Removable mounting bracket, control knob, full stroke length at all times.

ActuationMotor-driven diaphragm, variable-speed stepper motor

Flow envelope0.0015 to 4 US gph

Max pressure150 psi

Turndown1000:1

Wetted head materials: Stainless steel, PVC, PVDF, Polypropylene. Materials listed under Different Control Options and Materials on page 12. The brochure does not map them to specific wetted parts.

Control variants: Two control options, B and P (Basic / Pulse). The P model adds a timed priming button.

Silent operation, noise emission down to 60 dB(A). (p. 12)
Cataloged accuracy is +/-5 percent. (p. 13)

Model	Max flow, US gph	Max pressure, psi	Strokes/min	Max viscosity, cps	Suction lift primed, ft	Suction lift dry, ft	Notes	Page
DDE 6-10	1.5	150	140	600	19.6	6.5	Setting range 1000:1. Viscosity printed as 600/50 cps.	13
DDE 15-4	4	60	180	500	19.6	9.8	Setting range 1000:1. Viscosity printed as 500/50 cps.	13

Source: Grundfos-Dosing-Pump-Catalog.pdf, printed pages 4, 12, 13

DME Digital Dosing

Large Digital Dosing pumps for water and wastewater treatment, textile, and pulp and paper applications. Always 100 percent stroke length with carefully timed motor speed, so dosing stays smooth and continuous without a servo motor or frequency converter.

ActuationMotor-driven diaphragm, brushless DC motor

Flow envelope0.02 to 248 US gph

Max pressure145 psi

Turndown800:1

Wetted head materials: Polypropylene, PVDF, 316 stainless steel. Page 15 lists the DME 60/150 head as PP, PVDF, stainless steel without a grade. Pages 16-17 specify 316 stainless steel for the DME 375/940.

Control variants: Pulse, analog, timer, and batch control standard from the keypad. Profibus fieldbus interface available. Anti-cavitation slows the suction stroke to 75, 50, or 25 percent of maximum speed.

Built-in overload protection monitors counter pressure and stops the pump if the maximum pressure load is exceeded. (p. 16)
Accuracy is +/-1 percent repeatability. Switch-mode power supply accepts 100-240 V, 50/60 Hz. (p. 17)

Model	Max flow, US gph	Max pressure, psi	Min flow, US gph	Strokes/min	Max viscosity, cps	Suction lift primed, ft	Suction lift dry, ft	Notes	Page
DME 60-10	15.85	145	0.0198	160	3000	n/s	n/s	Viscosity 3000 cps at 50 percent capacity with spring-loaded valves. Suction lift printed as 6/1.5 m primed/dry.	15
DME 150-4	39.6	58	0.0497	160	3000	n/s	n/s	Viscosity 3000 cps at 50 percent capacity with spring-loaded valves. Suction lift printed as 6/1.5 m primed/dry.	15
DME 375-10	99.1	145	0.124	160	3000	19	4.9	Viscosity 3000 cps at 50 percent capacity with spring-loaded valves.	17
DME 940-4	248.3	58	0.31	160	3000	19	4.9	Viscosity 3000 cps at 50 percent capacity with spring-loaded valves.	17

n/s: not stated in source.

Source: Grundfos-Dosing-Pump-Catalog.pdf, printed pages 4, 14, 15, 16, 17

DDI 222

Compact precision dosing pumps with the feed rate set directly on the pump in l/h or gal/h. The AR series pairs an EC motor with integrated contact signal control for nearly continuous dosing. The AF series adds a built-in flow monitor that detects gases in the head, cavitation, line breaks, and blocked discharge lines.

ActuationMotor-driven diaphragm, EC motor. Double diaphragm system standard on model 222.

Flow envelope0.1 to 39.6 US gph

Max pressure232 psi

Turndown800:1, adjustment range 0.125 to 100 percent

Wetted head materials: PVC, PVDF, Polypropylene, 316 stainless steel.

Control variants: AR: contact or analog signal control, batch and timer dosing. AF: built-in flow monitor. Two Slow Mode steps and an HV version for high-viscosity liquids. Optional differential pressure sensor signals working-diaphragm leakage.

Double diaphragm technology: on a working diaphragm defect the pump continues dosing on the protective diaphragm. (p. 18)
Dosing flow and linearity each within +/-1.5 percent. Noise 65 +/-5 dB(A). IP 65. Max admission pressure 2 bar on the suction side, minimum backpressure 1 bar. (p. 19)

Model	Max flow, US gph	Max pressure, psi	Max viscosity, cps	Suction lift primed, ft	Suction lift dry, ft	Notes	Page
DDI 222-60D	15.87	145	2600	19.7	3.3	Normal operation 15.87 gph at 145 psi. Slow Mode 1: 10.58 gph. Slow Mode 2: 6.53 gph. Stroke volume 6.63 ml at 3 bar. Viscosity (HV version): 200 cps normal, 1000 Slow Mode 1, 2600 Slow Mode 2.	19
DDI 222-150D	39.68	58	2000	9.8	3.3	Normal operation 39.68 gph at 58 psi. Slow Mode 1: 26.46 gph. Slow Mode 2: 16.40 gph. Stroke volume 13.9 ml at 3 bar. Viscosity (HV version): 500 cps normal, 800 Slow Mode 1, 2000 Slow Mode 2.	19

Source: Grundfos-Dosing-Pump-Catalog.pdf, printed pages 4, 18, 19

DMX 221

High-quality mechanically actuated diaphragm pumps for drinking water, wastewater, pulp and paper, and textile applications. Wide choice of dosing head sizes, materials, and accessories.

ActuationMechanically actuated diaphragm

Flow envelope1.3 to 36 US gph

Max pressure232 psi

Turndown10:1 via manual stroke length on B models

Wetted head materials: PVC, PVDF, Polypropylene, Stainless steel.

Control variants: B: manual stroke length adjustment. AR: microprocessor controller with automatic proportional feed, manual stroke frequency control, 0(4)-20 mA or pulse control, low-level and empty output, and remote on/off. Motor 1-phase 115 V, 50/60 Hz.

Accuracy: flow within +/-1.5 percent, linearity within +/-4 percent. Suction lift data is for water-like fluids. (p. 23)
Accessories include back pressure valves, a servomotor for remote stroke length control via 4-20 mA, AR leak detection, and an integrated pressure relief valve in the pump head. (p. 22)

Model	Max flow, US gph	Max pressure, psi	Strokes/min	Max viscosity, cps	Suction lift primed, ft	Suction lift dry, ft	Notes	Page
DMX 221 4-10	1.3	145	35	400	13.1	13.1		23
DMX 221 7-10	2.1	145	35	400	13.1	13.1		23
DMX 221 7,2-16	2.3	232	75	400	13.1	13.1		23
DMX 221 8-10	2.6	145	75	400	13.1	13.1		23
DMX 221 9-10	2.9	145	35	200	9.8	9.8		23
DMX 221 12-10	3.7	145	35	200	9.8	8.2		23
DMX 221 13,7-16	4	232	144	200	11.5	8.2		23
DMX 221 14-10	4.5	145	75	400	13.1	13.1		23
DMX 221 16-10	5	145	144	200	11.5	8.2		23
DMX 221 17-4	5.3	58	35	200	3.3	3.3		23
DMX 221 18-10	5.8	145	75	200	9.8	9.8		23
DMX 221 25-3	7.9	44	35	200	3.3	3.3		23
DMX 221 26-10	8.2	145	75	200	9.8	8.2		23
DMX 221 27-10	8.4	145	144	200	11.5	8.2		23
DMX 221 35-10	11	145	144	100	8.2	6.5		23
DMX 221 39-4	12	58	75	100	3.3	3.3		23
DMX 221 50-10	16	116	144	100	8.2	4.9	Pressure printed as 116 psi (8.0 bar).	23
DMX 221 60-3	19	44	75	100	3.3	3.3		23
DMX 221 75-3,5	24	51	144	100	1.6	1.6		23
DMX 221 115-3	36	36	144	100	1.6	1.6	Pressure printed as 36 psi (2.5 bar).	23

Source: Grundfos-Dosing-Pump-Catalog.pdf, printed pages 4, 22, 23

DMX 226

The larger DMX series, sharing the DMX 221 design and applications. Available in a duplex version for additional output: the table's capacities are per head and double in duplex form (2 x 166 gph at the top of the range).

ActuationMechanically actuated diaphragm

Flow envelope16.4 to 166.3 US gph

Max pressure145 psi

Turndown10:1 via manual stroke length on B models

Wetted head materials: PVC, PVDF, Polypropylene, Stainless steel.

Control variants: B: manual stroke length adjustment, supplied without motor on a Nema 56 C flange. AR: microprocessor controller, 1-phase 115 V, 60 Hz, with proportional feed, 0(4)-20 mA or pulse control, low-level and empty output, and remote on/off.

Accuracy: flow within +/-1.5 percent, linearity within +/-4 percent. Suction lift data is for water-like fluids. (p. 23)

Model	Max flow, US gph	Max pressure, psi	Strokes/min	Max viscosity, cps	Suction lift primed, ft	Suction lift dry, ft	Duplex	Notes	Page
DMX 226 52-8	16.4	116	76	700	8.2	3.2	yes		23
DMX 226 67-10	21.1	145	68	700	8.2	3.2	yes		23
DMX 226 82-5	25.9	72	76	500	8.2	3.2	yes		23
DMX 226 95-8	30	116	68	500	8.2	3.2	yes		23
DMX 226 100-8	31.7	116	144	400	8.2	3.2	yes		23
DMX 226 130-3	41.2	44	76	400	6.6	3.2	yes		23
DMX 226 132-10	41.7	116	144	400	8.2	3.2	yes	Pressure printed as 116 psi (8.0 bar).	23
DMX 226 152-6	48	87	68	400	6.6	3.2	yes		23
DMX 226 160-5	50.7	72	144	200	8.2	3.2	yes		23
DMX 226 199-8	63.1	116	144	200	8.2	3.2	yes		23
DMX 226 249-3	78.9	44	68	100	3.2	1.6	yes		23
DMX 226 255-3	80.8	44	144	100	6.6	3.2	yes		23
DMX 226 321-6	102	58	144	100	6.6	3.2	yes	Pressure printed as 58 psi (4.0 bar).	23
DMX 226 525-3	166.3	44	144	50	3.2	1.6	yes		23

Source: Grundfos-Dosing-Pump-Catalog.pdf, printed pages 4, 22, 23

DMH 250 series

Robust hydraulic diaphragm pumps for water treatment and industrial processing. AMS diaphragm protection system and internal relief valve on all models. Duplex version doubles capacity or serves blending. API 675 compatible versions available. Model names here prefix the printed sub-series number (251 to 257) to the pump designation.

ActuationHydraulically actuated diaphragm, PTFE diaphragm

Flow envelope0.69 to 278 US gph

Max pressure363 psi

TurndownStroke length manually adjustable 0 to 100 percent with +/-1 percent repeatable accuracy

Wetted head materials: PVC, PVDF, Polypropylene, Stainless steel, Hastelloy C.

Control variants: Options: duplex version, electric 4-20 mA servomotor or pneumatic stroke length control, variable speed drive, integrated stroke sensor with electronic counter, leak detection. B motors: NEMA 56C (251-255), NEMA 145TC (257). AR control (1-phase 115 V, 60 Hz) on 251, 252, 253 only.

Accuracy: flow +/-1 percent, linearity +/-2 percent. (p. 25)

Model	Max flow, US gph	Max pressure, psi	Strokes/min	Page
DMH 251 2,2-25	0.69	363	17	25
DMH 251 2,3-16	0.74	232	17	25
DMH 251 2,4-10	0.77	145	17	25
DMH 251 4,5-25	1.43	363	35	25
DMH 251 4,9-16	1.55	232	35	25
DMH 251 5,0-10	1.58	145	35	25
DMH 251 11-25	3.43	363	75	25
DMH 251 12-16	3.7	232	75	25
DMH 251 13-10	4.22	145	75	25
DMH 251 17-25	5.28	363	115	25
DMH 251 18-16	5.81	232	115	25
DMH 251 19-10	6.07	145	115	25
DMH 252 10-16	3.17	232	35	25
DMH 252 11-10	3.45	145	35	25
DMH 252 23-16	7.13	232	75	25
DMH 252 24-10	7.66	145	75	25
DMH 252 36-16	11.35	232	115	25
DMH 252 37-10	11.62	145	115	25
DMH 253 21-10	6.6	145	35	25
DMH 253 43-10	13.7	145	75	25
DMH 253 67-10	20.6	145	115	25
DMH 253 83-10	26.1	145	144	25
DMH 254 50-10	15.8	145	32	25
DMH 254 97-16	30.6	232	65	25
DMH 254 102-10	32.2	145	65	25
DMH 254 136-16	43	232	90	25
DMH 254 143-10	45.4	145	90	25
DMH 254 166-16	52.8	232	110	25
DMH 254 175-10	55.4	145	110	25
DMH 254 202-16	63.9	232	134	25
DMH 254 213-10	67.3	145	134	25
DMH 255 194-10	61.5	145	65	25
DMH 255 270-10	85.5	145	90	25
DMH 255 332-10	105	145	110	25
DMH 255 403-10	128	145	134	25
DMH 257 220-10	69.7	145	33	25
DMH 257 440-10	139.4	145	65	25
DMH 257 575-10	182.2	145	90	25
DMH 257 770-10	244	145	110	25
DMH 257 880-10	278	145	134	25

Source: Grundfos-Dosing-Pump-Catalog.pdf, printed pages 4, 24, 25

DMH 280 series

The high-pressure DMH series, rated up to 2900 psi, in stainless steel or Hastelloy C. AMS diaphragm protection system and internal relief valve on all models. API 675 compatible versions available. Model names here prefix the printed sub-series number (280 to 288) to the pump designation.

ActuationHydraulically actuated diaphragm, PTFE diaphragm

Flow envelope0.5 to 53.9 US gph

Max pressure2900 psi

TurndownStroke length manually adjustable 0 to 100 percent with +/-1 percent repeatable accuracy

Wetted head materials: Stainless steel, Hastelloy C.

Control variants: Options: duplex version, electric 4-20 mA servomotor or pneumatic stroke length control, variable speed drive, integrated stroke sensor with electronic counter, leak detection. B motors: NEMA 56C (280, 281, 283, 288), NEMA 145TC (285, 286, 287). AR control (1-phase 115 V, 60 Hz) on 280 and 281 only.

Accuracy: flow +/-1 percent, linearity +/-2 percent. (p. 25)

Model	Max flow, US gph	Max pressure, psi	Strokes/min	Page
DMH 280 1,3-200	0.5	2900	76	25
DMH 280 2,2-200	0.7	2900	115	25
DMH 280 2,5-200	0.9	2900	144	25
DMH 281 2-100	0.6	1450	35	25
DMH 281 4,2-100	1.3	1450	76	25
DMH 281 6,4-100	2	1450	115	25
DMH 281 8-100	2.5	1450	144	25
DMH 283 19-100	6.1	1450	65	25
DMH 283 27-100	8.4	1450	90	25
DMH 283 33-100	10.6	1450	110	25
DMH 283 40-100	12.7	1450	134	25
DMH 285 20-100	6.3	1450	33	25
DMH 285 40-100	12.7	1450	67	25
DMH 285 52-100	16.6	1450	88	25
DMH 285 70-100	22.2	1450	118	25
DMH 285 80-100	25.3	1450	134	25
DMH 286 85-50	26.9	725	67	25
DMH 286 111-50	35.1	725	88	25
DMH 286 170-50	53.9	725	134	25
DMH 287 18-200	5.8	2900	67	25
DMH 287 23-200	7.4	2900	88	25
DMH 287 31-200	9.8	2900	118	25
DMH 287 36-200	11.4	2900	134	25
DMH 288 7.5-200	2.4	2900	67	25
DMH 288 10-200	3.3	2900	88	25
DMH 288 13-200	4.1	2900	118	25
DMH 288 15-200	4.9	2900	134	25

Source: Grundfos-Dosing-Pump-Catalog.pdf, printed pages 4, 24, 25

Related systems in the same catalog

Listed for completeness. These are engineered systems and accessories from the same source document, not selectable pump families.

Plus 3 deaeration and calibration system. Degassing and calibration unit for DMI and DDI pumps. Removes gas from the dosed liquid via a patented double-diaphragm design, so volatile media such as sodium hypochlorite do not gas-lock the pump. Allows continuous calibration during operation and feed tank changes while the pump is running. (p. 20)
Dosing stations, skid systems, and accessories. Installation kit, multifunction valve (constant back pressure, overpressure protection, anti-siphoning, manual pressure relief), rigid suction line, in-line back pressure and relief valve adjustable 0 to 145 psi, external dosing monitor, dosing tank station, and skid systems for all Grundfos dosing pumps. (p. 26)
Vaccuperm chlorine gas dosing. Full vacuum chlorine gas systems: VGA-111 up to 4 kg/h, VGA-117 up to 10 kg/h (22 lb/h), and the automated VGS-140 up to 200 kg/h (440 lb/h). (p. 27)
Selcoperm SES electrolytic chlorine generation. On-site electrolytic chlorine generator running on salt, up to 2000 g/h (4.5 lb/h). (p. 27)
Oxiperm chlorine dioxide generation. On-site chlorine dioxide generators: OCD-162 up to 60 g/h, OCD-164 up to 2000 g/h, OCC-164 up to 2500 g/h, and OCG-166 (chlorine/NaClO2) up to 10 kg/h (22 lb/h). (p. 27)
Conex DIA and DIP measurement and control. Amplifiers, controllers, and analyzers for disinfection: DIA-1 universal measuring amplifier and controller for chlorine, chlorine dioxide, ozone, hydrogen peroxide, peracetic acid, pH, redox, or fluoride. DIA-2Q dual amplifier with compound loop control and flow compensation. Preassembled DIA and DIP units with choice of measuring cell. (p. 27)