The SERAP Group
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Milk coolers
Our range of milk coolers SERAP - Experts in milk cooling solutions Closed milk coolers from 550 to 30,000 Liters capacities FIRST.SE MILK COOLER FIRST.SC MILK COOLER Vertical milk cooler from 10,000 to 40,000 Liters capacities The RAINBOW washing cabinet Open milk coolers from 300 to 2,000 Liters capacities FIRST.S MILK COOLER FIRST.SU MILK COOLER Energy savings during milk cooling ECOTEMP SERATEMP HRU : Heat Recovery Units MILK PRE-COOLING Mobile closed milk cooler Instant milk cooling systems Opticool: Cool, Save, Preserve Milk can cooler Our solar solutions for milk cooling MyRAINBOW : the remote monitoring app for your milk cooler
Wine processing
Our expertise in wine-making Projects Our range of wine-making tanks Wine-making and storage vessels ST truncated tank SC cylindrical tank Compartmented tank SP parallelepipedic tank SE elliptical tank Wine storage tanks Thermal treatment units Mobile Tank Punching down trolley Walkways for wine-making units Heat exchangers Grape harvest cooling tunnel
Industrial processing
Our expertise in industrial process equipment Our equipment for industrial processing
Cryogenic freezing
Our cryogenic freezing equipment Our cryogenics expertise Cryo tunnel - ZF3 Cryogenic tunnel - CFP Cryo immersion unit - CFV First Freeze cooling tunnel Our partner AIR LIQUIDE
Customer service
Customer Service - Spare parts and accessories Technical support Technical training
DeLaval announces partnership with leading milk cooling tank manufacturing, SERAP FIND US IN 2024 AT PROFESSIONAL TRADE SHOWS! FROM JUNE 17 TO 23, 2023, THE SERAP GROUP CELEBRATED ITS 60TH ANNIVERSARY!
Jobs & careers
Join us Our Technical expertise Stainless steel boilermaker Machine operator Installation, assembly and refrigeration technician Application form
ContactClient area


Route de Fougères
53120 Gorron

TEL. +33 (0)2 43 08 49 49
FAX +33 (0)2 43 08 66 19



MyRAINBOW is a device dedicated to the remote monitoring of your milk cooler.

Available via a mobile application or a web portal, MyRAINBOW allows you to access to information and data coming from your cooling tank. You get a real-time follow up of its functioning through the data coming from the regulation cabinet :

• Milk temperature
• Running mode : cooling, agitating, washing, standby
• Fill rate (1)
• Potential alerts

 With MyRAINBOW, you keep an eye on your milk cooler. Personnalize your own alerts and receive them through notification, sms or e-mail. MyRAINBOW restitutes operating satistics and allows you to store historical data.

(1) When the cooling tank is equipped with the First Level 2 electronic gauge.


  • Application accessible on PC, tablet and smartphone
  • Connection via Internet using the farm network or via GSM using a SIM card
  • Real-time visualization of the cooler functioning
  • Customised alerts
  • Instant alert transmission through notification, SMS and/or e-mail
  • Warns also in case of power interruption or communication failure
  • Bonus : possible restitution of consumption data (2)
  • Storage of historical data and statistics

(2) If your tank is equipped with the Opticool cooling unit, functionality not yet accessible.


  • Ensures milk quality preservation through real-time monitoring of the cooling tank
  • Enables a rapid and adapted intervention if needed
  • Avoids unneccessary visits to check the milk cooler
  • Intuitive and ergonomic design, easy to use
  • Milk preservation, time saving, farmer’s tranquility

Discover MyRAINBOW in video!

MyRainbow app is available on PC, tablets and smartphones on Google Play and App Store.

And also on https://myrainbow.groupeserap.com

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