SKU: 30910300235

dda 30 4 fcm c pv t c f 31i002fg 93017021

$1583.55 $1759.50
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Description

dda 30 4 fcm c pv t c f 31i002fg 93017021The 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
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  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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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]
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SKU: 30910300235

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4.8 ★★★★★
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Tmb
Phoenix, US
★★★★★ 5
A Value Add
Format: Kindle
I am not a new host by far but I figured let buy some STR books and see what I could learn from others. This one was not disappointing and provided value. Stressing the importance of furnishing based on your target guest pool. Using AI to help manage your STR with the goal of maximizing performance. Author also provides readers access to his free newsletter to download.
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Reviewed in the United States on December 8, 2023
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Verified Purchase
D.O.
Grantham, US
★★★★★ 5
Ambitious universe building that starts small
Format: Kindle
Defiance of the Fall is in the Top 5 of my favorite progression fantasy stories (for reference, I think you should at least try the first book of all 5 series with the other 4 series being Primal Hunter, He Who Fights with Monsters, Azarinth Healer, and The Calamitous Bob). The scale of this series world-building is beyond any other series that comes to mind. And the crazy thing is that 16 books in, there's still a TON of room to keep building. I'm hoping the author can keep the series at this quality out to at least 30 books. The series starts out slightly slower-paced, but 16 books in I think that was a good thing as it really sets up the main character and enables a slow build up of their new existence. You learn as the MC does, and at the beginning the MC is still struggling with the basics. But as the main character progresses, that 'world' gets more and more complex and grows vastly in scope (there's a whole giant universe out there), with that complexity being the main challenge of the series. When there is 16 books worth of progress, remembering all the details can get a bit challenging. Book 16 books in, I'm still eagerly reading every book that comes out. All in all, I highly recommend this series and all of the others in my Top 5 list. If I had to round that out to a Top 10, other series I would recommend would be Paths of Akashic, Dual-Class, Grand Game, Unintended Cultivator, and A Thousand Li. None of those latter 5 are a strong as the top 5, but all are worth reading IMO.
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Reviewed in the United States on December 28, 2025
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Fishin
Port Orchard, US
★★★★★ 5
Great LitRPG
Format: Kindle
Solid LitRPG stuff. It has all the hallmarks of the genre and they're executed well, your protagonist who starts off average and gets stronger and stronger, experiencing both great danger and great opportunity, taking risks that (usually) pay off. Where it really shines is the worldbuilding; it's a somewhat slower burn in that respect but the writing does a good job of building a coherent, intriguing world with a ton of different factions and factions within factions with their own motivations. The history of the world is legitimately interesting and being cultivation-themed gives it a unique flavor compared to many others which are more straight RPG (and there's even a good in-universe reason for this). My criticisms are fairly minor, the writing can be a bit dry or awkward on occasion "The situation clearly hinted at a situation where he would only need to...", and the universe and lore is expansive enough that it's easy to forget about some individual element on occasion. This is an overall review of the series (16 books at time of writing).
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Reviewed in the United States on April 10, 2026
K
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Kenneth
Dallas, US
★★★★★ 4
good book, needs an editor.
Format: Kindle
The premise was good, and the story arcs were good. But the actual writing style of this book left a lot to be desired. I see the author is up to book 16 as of now. Hopefully they have fixed a lot of these minor issues.
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Reviewed in the United States on January 29, 2026
A
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Amazon Customer
Battle Creek, US
★★★★★ 5
So Happy I found this
Format: Kindle
Excellent addition to the genre. On par with some of the other great series in the space and better than many I have read.
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Reviewed in the United States on May 25, 2026

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