SKU: 45375588604

dda 7 5 16 fcm c pv v c f 31u2u2fg 93243751

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Description

dda 7 5 16 fcm c pv v c f 31u2u2fg 93243751The 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).

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 45375588604

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4.2 ★★★★★
Based on 9 reviews
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E.M. Bristol
Fort Morgan, US
★★★★★ 5
Addictive as almond M&M's
Format: Paperback
I once read a book that blew the whistle on the abuses in the system that produces young elite figure skaters and gymnasts. One mother said of another mother that she was very likeable, but she'd cut your throat behind your back. That describes a lot of Freida McFadden's heroines (and their besties) to a t. At least one of the following always occurs in these novels. 1. If someone says, "Eh, I'm sure it's nothing," it's not. If someone believes their husband is too busy working to have an affair, he isn't. If someone suspects a knife is missing from the block, it is. 2. If a child or teen bitterly complains of being a victim of peer conflict, there's a good chance he/she is the instigator. They may even have committed or assisted in a murder in the past. 3. At some point, you will be told point blank that the character you have just spent a good chunk of the book with is the polar opposite. And even if you're familiar with the books, it may come as at least a partial surprise since this doesn't occur in most novels. 4. Everyone in the book has a secret, even if it's just hair dye. 5. There's also what I call the "Cold Case" rule: Don't argue near stairs. Ever. But I digress. At first, happily married to a great guy Naomi Roth doesn't really protest when her husband Jeremy, after having changed the locks, insists that she go and stay at the apartment he bought for his now-deceased parents. She believes, despite a few stray doubts, that he is telling the truth when he says that it's just renovations and that it will be better this way - and he's even thoughtfully packed for her. However, soon after that, Naomi is told in no uncertain terms that Jeremy wants a divorce, which makes her a pariah with her fellow mothers, except one. Is her husband having an affair, and if so, what secrets does his mistress have? And who the heck committed the murder in the preface (there's almost one in every book, so it isn't much of a spoiler)? As always, the author makes writing fiction look effortless, which if you've actually sat down to write some, know it usually isn't. Another addictive read.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
R
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Rhea
Dallas, US
★★★★★ 4
Calling all Freida Fans!!!
Format: Kindle
4.5 stars!!!! Mrs. Freida McFadden Fans!!! This book was soooooo good!!! I started reading last night thinking I will read a few chapters before bed. Well, it is 2am 😊 so, I couldn’t put it down. All the characters are despicable…but it a good way. I had this one figured out; I did, and BAM! No I didn’t…then, twist after twist after oh s*** twist!!! Poor Ezra…sweet little Teddy….the rest, all despicable, but like I said; in such a wonderfully twisty way!!! Naomi husband decides out of nowhere he wants a divorce. She later finds out there “is” another woman; Veronica. Their son Teddy gets shuffled back and forth from Jeremy's house to Naomi’s apartment, and……
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
J
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jojonick
Battle Creek, US
★★★★★ 5
Heartbreaking and beautiful
Format: Kindle
This book reads like living. I was able to be Sybil, not just observe her. I found the experience of reading her story authentic and cathartic in a way. At the middle of my life it provoked a sense that’s there can be goodness and purpose in aging.
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Reviewed in the United States on May 25, 2026
K
Verified Purchase
Kindly Said
Phoenix, US
★★★★★ 4
Beautifully written and unique conversational format
Format: Hardcover
This was a great read—sad, but very well done. I really enjoyed the conversational format, since I’ve never read a book told in quite that way before. It felt fresh and different, and the writing was excellent. Overall, it was a very engaging and memorable book.
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Reviewed in the United States on May 28, 2026
T
Verified Purchase
Terri R
Lowell, US
★★★★★ 5
a life in letters
Format: Kindle
What a moving story. I thought I would be bored reading someone’s correspondence, I was not. This is a well written, interesting and moving book. A life in letters. Loved it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026

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