rSYS DN25 2x4 LH-a

				

					

						Item no. 001 508
						Return flow utilisation
						


						For highly efficient utilisation of the return flow of an unmixed high-temperature circuit in a mixed low-temperature circuit by means of highly efficient operation of a system separation via flow control at a condensing boiler, a stratified storage tank or a heat transfer station.						
						

										
						
Accessories needed

													
								

									
										
										
									
									
										

											
												

												
												

															
											
												
ST DN25 AD100 P40 LL 5

												001008
													
										

									
								

																				
								

									
										
										
									
									
										

											
												

												
												

															
											
												
ST DN25 AD100 P40 LL

												001006
													
										

									
								

																			
										
				
											
						
						


						
Recommended accessories

													
								

									
										
										
									
									
										

											
												
											
											
												
DÜV DN15 2x2 MUL set L

												001344
													
										

									
								

																				
					
				
 

				
				

					

													

								
Further information?

								
							

							

								
Further questions?

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Configure product variant

		

					

					

						
						
						

						

														
																
								
Nominal width

								

									
								
																										
																		
									
																		
								
																		
								
																																						

											DN25
										

									
								
																													

											DN25s
										

																		
								
																		
								
																		
								
																		
								
																		
								
																		
								
																											
								

								
													
 

						

													
 
						
						

													
 

						

																			
														
							
Performance class

							

																
																										

										Direct heating circuit (HT):
Kvs = 6.2 • V'max[100mbar] = 2m³/h
Q'max[20K] = 47kW
Mixing circuit (LT) with ST DN25:
Kvs = 5.7 • V'max[100mbar] = 1.8m³/h
Q'max[10K] = 21kW
									

								
									
																										

										Direct heating circuit (HT):
Kvs = 11.9 • V'max[100mbar] = 3.8m³/h
Q'max[20K] = 88kW
Mixing circuit (LT) with ST DN25s: Kvs = 7.2 • V'max[100mbar] = 2.3m³/h
Q'max[10K] = 27kW
									

								
							
							

												


						

						
								
															
Flow direction producer

								

																	
																					

												Flow direction Producer Left
											

										
								
																					

												Flow direction Producer Right
											

																		

															
						
 

																
						

							
															
						
 

						

							
															
						
 


						

							
													

						
						 
					
					

	


	

		
		
Product documentation

		

			

				

					
											
Assembly instructions

													

								Assembly instructions: For specialist partners only.
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								Actuator multi-way mixer: For specialist partners only.
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Spare parts drawing

													

								Spare parts drawing For specialist partners only.
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Data sheet

												
001508_DBL_2020-09-17.pdf

					
											
GAEB

												
001508.D81

					
					
					
							


							
					

					


						
Tender text

						

							
							Baunach article master data Version: 19.11.24

BAFA funding opportunity within the scope of heating system optimisation by replacing heating circulating pumps with high-efficiency circulating pumps.

rendeMIX multi-port mixing manifold with 3/2-way tangential mixing valve DN25×G1½(a) MsGuss (adapter red), plug and cover Ms58

For highly efficient utilisation of the return flow of an unmixed high-temperature circuit in a mixed low-temperature circuit by means of highly efficient operation of a system separation via flow control at a condensing boiler, a stratified storage tank or a heat transfer station.

Actuator EMS 240, 230V~ 50Hz 3.5VA 3-point signal, 5Nm (240h), 240°, 93s

Dual circuit manifold assembly with 2 connections to the heat source and 4 connections to the heat sinks, CuØ35×1, DN32×G1½(a) flat, pipe spacing 100mm.

2 integrated gravity brakes/backflow preventer, Dp10mbar

Direct heating circuit (HT): Kvs = 6.2 - V'max[100mbar] = 2m³/h - Q'max[20K] = 47kW - Mixed heating circuit (LT) with ST DN25: Kvs = 5.7 - V'max[100mbar] = 1.8m³/h - Q'max[10K] = 21kW - Leakage rate < 0,1%

6 Thermometers 0-120°C, Ø63mm, soldering sleeves Ms58

6 ball valve unions, DN25 passage, PN32, G1½(i)×Rp1 flat-sealing, stuffing box, sealing hole, spindle with aluminium wing handle 

Insulating moulded tray EPP 40g/l, black, 450×450mm, quick assembly kit

Without pump flanges

Assembly does NOT include pump compensator - PAS L180 (Part No.: 001 338)

With built-in high-efficiency Grundfos UPM3 pump, DN25, 130mm, H 5-6mWS, 230V~ 50Hz, 2m connection cable, EEI < 0,2

Model DN 25 - light version, PN 10bar, Tmax 120°C

ATTENTION: CANNOT BE USED WITHOUT SYSTEM SEPARATION!						

						


															
Performance data

								

									Direct heating circuit (HT): Kvs = 6.2 - V'max[100mbar] = 2m³/h - Q'max[20K] = 47kW - Mixed heating circuit (LT) with ST DN25: Kvs = 5.7 - V'max[100mbar] = 1.8m³/h - Q'max[10K] = 21kW - Leakage rate < 0,1%								

														
 
					

				

			

		


		
		

		

	








	
			
			
						
			
		 
		
					
						

							

									
										Baunach