SKU: 18235883131

dda 30 4 fcm c pv v c f 31i002fg 93244455

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Description

dda 30 4 fcm c pv v c f 31i002fg 93244455The SMART Digital DDA C is a compact positive displacement diaphragm dosing pump with variable speed drive (stepper motor) and intelligent control electronics with minimum energy consumption. The SMART Digital Dosing series operates at full stroke length to ensure optimum accuracy, priming and suction, even for high viscosity or degassing liquids. Depending on the set capacity, the duration of the discharge stroke varies, ensuring an optimal, uniform

The SMART Digital DDA-C is a compact positive-displacement diaphragm dosing pump with variable-speed drive (stepper motor) and intelligent control electronics with minimum energy consumption. The SMART Digital Dosing series operates at full stroke length to ensure optimum accuracy, priming and suction, even for high-viscosity or degassing liquids. Depending on the set capacity, the duration of the discharge stroke varies, ensuring an optimal, uniform and continuous discharge flow. The click-stop mounting plate allows installation in three different positions without using any additional accessories. The control cube can be easily turned to the front, left or right position. The click wheel and the multi-coloured backlit graphic plain-text LC display enable intuitive commissioning and operation. The control elements are protected by a transparent cover. The DDA-C has built-in connectivity that allows easy setup and tracking via the Grundfos GO app as well as easy integration into a Modbus RTU or TCP bus system. The sensor-based FlowControlMeasurement (FCM) system detects malfunctions such as air bubbles, line breaks or overpressure directly in the dosing head and displays them in plain text in the alarm menu. FCM measures the actual pressure and flow rate and eliminates the need for additional monitoring and control devices (accuracy of ± 1.5 % of the set value in a trouble-free process). The measured pressure and flow are displayed and can be integrated into the process control system, e.g. SCADA. In addition, the AutoFlowAdapt function automatically adjusts the pump speed to the process conditions to maintain the target flow even with fluctuating back pressure or air bubble formation (degassing drive strategy). The dosing head includes the following parts:

  • A durable and chemically resistant full PTFE diaphragm,
  • Double ball valves for maximum dosing accuracy,
  • A deaeration valve for easy start-up,
  • A pressure sensor.

Operation modes and functions:

  • Manual dosing in ml/h, I/h or gph.
  • Pulse control in ml/pulse (incl. memory function).
  • Analog control, 0/4-20 mA (scalable).
  • Pulse-based batch function in ml, l or gal.
  • Timer-based batch function (dosing timer cycle or week).
  • Fieldbus control (integrated Modbus RTU and TCP; Profibus DP, Profinet and Ethernet IP via CIM/CIU models).
  • Cloud control and monitoring (Smart Digital Chempairing Suite; Grundfos Connect).

Other features:

  • The sensor-based FlowControlMeasurement (FCM) system detects malfunctions such as air bubbles, line breaks or overpressure directly in the dosing head.
  • Measurement of actual pressure and flow.
  • AutoFlowAdapt automatically adjusts the pump speed to the process conditions (what you set is what you get).
  • Degassing drive strategy in case of air bubbles detected in the dosing head and Auto Deaeration during pump standby avoids stand-still due to air-locking.
  • ConditionCheck analyses the pump and the system where the pump is installed.
  • Two SlowMode steps (anti-cavitation), 50 % and 25 % maximum flow, e.g. for high-viscosity or degassing liquids.
  • Max. Capacity to limit the capacity of the pump to a set maximum.
  • Service information display to show when service and which wear-part order numbers are required.
  • Two-step key lock function to protect the pump against unauthorised access.
  • Multi-parameter dashboard function to provide further information on up to 4 parameters.
  • Counter for total dosed volume (resettable), operating hours, etc.
  • Save, copy and load customised settings as well as reload factory settings.

Signal inputs/outputs:

  • Input for pulse, analog 0/4-20mA, external stop.
  • Input for low-level and empty-tank signal.
  • Two potential-free output relays for max. 30 V AC/DC (configurable, e.g. alarm, stroke signal, pump dosing, timer etc.)
  • Output analog 0/4-20mA.
  • Fieldbus control (Integrated Modbus RTU and TCP; Profibus DP, Profinet and Ethernet IP via CIM/CIU models).
  • Cloud control and monitoring (Smart Digital Chempairing Suite; Grundfos Connect).

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SKU: 18235883131

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4.4 ★★★★★
Based on 485 reviews
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K
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Kerns
Massapequa, US
★★★★★ 5
Definitely buying again.
Style: High Mileage 150K, Size: 5 qt (Pack of 1), Configuration: 5W-20
In MY experience, this has been fantastic, spouses car is a 200k+ mileage Kia shortage, which I mean, it’s always burned oil, even the manual said normal operation can burn 1qt per 1,000 miles. Either way, i was adding oil a lot. At least 2 quarts a month or more. After running this oil, I have only added 1.5 quarts in over 2 months. Results obviously not typical, but in my experience, this stuff works. I also use the restore and protect Valvoline on my car, with great results. Scoped it after a few full oil changes and engine looks clean. Great value for what it potentially will do.
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Reviewed in the United States on March 2, 2026
J
Verified Purchase
JORGE E. NAVARRO
Boise, US
★★★★★ 4
Kitties love it:
Style: High Mileage 150K, Size: 5 qt (Pack of 1), Configuration: 5W-30
Great product:
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Reviewed in the United States on April 23, 2026
T
Verified Purchase
Tascha F.
Houston, US
★★★★★ 5
Engaging, though-provoking sweep that will provide you with regarding this time period
Format: Hardcover
Alan Taylor is a writer who excels at contextualizing the complexity of history by creating a sort of ancestral snapshot of each person and event and placing them on a family tree, showing both their relationships to one another and to their time. This approach increases readers’ abilities to build those understandings on their own in other readings, about other times. That’s cool. In this book, he upends a more static understanding of North and South and provides a kaleidoscope of complexity with regards to individuals and social groups from regions both within and outside of our borders. In this book, Alan Taylor displays his unique brilliance at making legible the complex interplay of extremely diverse international, national, and factional agendas, political aspirations, people’s attachment to their political and social worldviews, economic aspirations, their bluster, their denial, and their honest – if not always successful – efforts. Quoting from a mind-bogglingly large reading list of academic sources, newspapers, diaries, and other historical documents, he brings people back to life in such a way that you could mentally animate what role these historical figures would play today on the world stage or even in a more intimate setting of your own office politics. He makes the complexity and uncertainty decipherable so that we can think about it, argue about it, and explore it just as we would events with which we are familiar today. A true love of history and our understanding of humanity at present are not served by infatuation with imagined, polished heroes but by complex accounts and considerations of character, influences, dreams, successes, and failures that reveal how these elements are the common denominators in all lives and across all times. Taylor does this superbly for figures North, South, enslaved, free, freed Blacks, embittered whites, Mexican, Spanish, Canadian, British, French, and Indigenous. He juxtaposes Maximilian’s wife, Carlota, sister of Leopold II, who placed faith in herself and in her husband to transform Mexico through better monarchy, with the far more egalitarian Benito Juárez, who ultimately subordinated the lives of the indigenous people in capitulating to a rising oligarchy of American investors who could rebuild Mexico. Both Carlota and Juarez are driven to varying degrees of madness by the results of their efforts. We see members of the former Confederacy who rue their violent support for the perverse and cruel institution of slavery once the war is over, alongside others who will stop at nothing to bring back the old order. And we see Northerners, who in wartime decried slavery with a furious ardor, eventually languishing in their duty to their fellows after the war was over. There are warriors for justice, warriors for oppression, realists, capitulators, power brokers, and pawns. Even the best, who are not depleted of passionate intensity for doing right, must contend with an ecosystem of others’ dreams and aspirations, which all too often run afoul of the righteous. In the end, we may be judged by others and by ourselves for what we’ve wished for: either peace and fairness or war and acquisition at any price. The book serves as a reminder to plant the right seeds and dream the right dreams…for everybody’s children. Because when the harshest frost melts away, something new will grow.
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Reviewed in the United States on July 3, 2024
A
Verified Purchase
Amazon Customer
San Leandro, US
★★★★★ 5
Carefully Researched Gives Insight To 19Th Century Occurances of: American, Canada, and Mexico!
Format: Hardcover
This book is a treasure as it covers not only the American Civil War but what intricate details are behind it and more, in addition covers the same eras for the Dominion of Canada, and French take over of Mexico along with the factors leading to "Cinco De Mayo," and more. As an avid reader of American History also as a amature historian this book is carefully detailed and gives insight to the racial and political beliefs at the life and times of the 19Th. Century. It deserves a place on your bookshelf and/or library. In these contemporary times, I am still more than pleased the the border frontiers between the Republic of Canada and United States of America remain the: "Longest Undefended Borders" in the entire globe.
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Reviewed in the United States on May 5, 2025
A
Verified Purchase
Amazon Customer
Carnegie, US
★★★★★ 4
Another Thought Provoking Book
Format: Kindle
Having read Professor Taylor's American Republics I greatly anticipated this volume in his series. The examination of both the Canadian and Mexican stories in this book along with the American Civil War helps provide context to the traditional narrative. I find his approach useful as it shows how the interactions between the US and its neighboring nations evolved. I'm hoping he continues the series
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Reviewed in the United States on September 1, 2024

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