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Hydraulic Separators | Low-loss header

Separation of the boiler and heating circuits,

Hydraulic separators are known under another name like low-loss header. They are designed for separating boiler and heating circuit for medium and high power systems including one or several boilers and one or several heating ciruits, provide independent operation of both circuits without the need to balance the flow rates. Low-loss header are used in high volume central heating systems (e.g. revamping).

Features

  • separation of the boiler and heating circuits,
  • retaining independent mass streams in boiler and heating circuits,
  • eliminating the need for balancing the flow of boiler and heating circuits,
  • prevention low-temperature corrosion,
  • desludging the heating medium,
  • venting the heating medium,
  • a horizontal version.

Principle of operation:

Hydraulic Separators is designed as a low-carbon steel cylindrical tank with external paint coat finish. Tank shell (1) includes four ports. Inlet (2) and outlet (3) ports connect the boiler circuit, whereas outlet (4) and inlet (5) ports connect the heating circuit. A perforated baffle (6) preventing direct water flow from the boiler to the heating system with air purging. To remove the air from the top tank section, the tank is fitted with an air relief valve port (7). The bottom tank section includes baffles (9) for easy blowdown. The separated solids are removed via a drain valve port (10).

Hydraulic separator and low-loss header

Technical Data

SP Low-loss header. Nominal temperature 110°C (dedicated execution at 150°C), nominal pressure, 6 bar.

TYPE DN Max. flow
[m3/h]
Power for
Δt = 20°C kW
Net weight
[kg]
Tank capacity
[dm3]
Dimensions
D L A B H R O S Y
SP50/100 50 4 90 16 4.6 108 265 148 350 605 - ½’’
1"
-
SP65/150 65 9 210 23 16 159 320 190 550 930 45 ½’’
SP80/200 80 12 270 35 41 219 380 265 700 1230 70
SP80/250 80 20 450 42 65 273 450 275 700 1250 70 1” 1”
SP100/200 100 20 450 40 41 219 380 265 700 1230 70 ½’’ ½’’
SP100/250 100 25 570 45 65 273 450 275 700 1250 70
1"
SP125/250 125 30 680 54 72 273 450 325 740 1390 70 1”
SP125/300* 125 40 900 80 126 324 500 350 1000 1700 110 2''
2''
SP150/300* 150 50 1130 85 126 324 500 350 1000 1700 110
SP200/450* 200 100 2250 160 345 457 630 450 1450 2350 110
SP250/650* 250 180 4050 290 870 650 830 635 1500 2770 110
SP300/650* 300 200 4500 300 870 650 830 635 1500 2770 110
SP350/800* 350 280 6300 512 1660 810 1065 735 2100 3570 110
SP400/800* 400 350 7900 544 1660 810 1065 735 2100 3570 110
SP450/900* 450 440 9900 613 2149 910 1175 760 2100 3620 110
SP500/1000* 500 550 12380 795 2680 1012 1275 795 2080 3670 110

SPP Low-loss header. Nominal temperature 110°C (dedicated execution at 150°C), nominal pressure, 6 bar.

TYPE DN Max. flow
[m3/h]
Power for
Δt = 20°C kW
Net weight
[kg]
Tank capacity
[dm3]
Dimensions
D L A B H R O S Y
SPP40/150 40 4 90 14 8.1
159 320 152 225 524 45 ½’’ 1” -
SPP50/150 50 5 110 16
8.1
159 320 152 225 524 70 ½’’
SPP65/200 65 9 200 21 21 219 380 205 225 635 70
SPP80/250 80 13 290 30 30 273 450 220 225 665 70 1” 1”
SPP100/300 100 20 450 50 64 324 500 275 340 890 110 2” 2”
SPP125/300 125 30 670 62 64 324 500 275 340 890 110
SPP150/450 150 50 1120 115 190 457 630 398 500 1295 110
SPP200/650* 200 100 2230 180 473 650 830 448 700 1595 110
SPP250/650* 250 150 3350 200 473 650 830 448 700 1595 110
SPP300/800* 300 220 4910 260 928 810 1065 612 840 2065 110
SPP350/800* 350 290 6480 290 928 810 1065 612 840 2065 110
SPP400/1000* 400 380 8490 505 1895 1012 1275 782 1100 2665 110
SPP450/1200* 450 540 12060 800 3085 1212 1480 882 1250 3015 110
SPP500/1200* 500 600 13400 825 3085 1212 1480 882 1250 3015 110

SP Low-loss header. Nominal temperature 110°C (dedicated execution at 150°C), nominal pressure, 6 bar.

TYPE DN Max. flow
[m3/h]
Power for
Δt = 20°C kW
Net weight
[kg]
Tank capacity
[dm3]
Dimensions
D L A B H R O S Y
SPD40/150 40 0.3 61 16 14 159 320 172 160 825 45 ½’’ 1'' ½’’
SPD50/150 50 4 90 18 14 159 320 172 160 825 45
SPD65/200 65 9 200 32 39 219 380 245 220 1150 70
SPD80/300* 80 13 290 61 119 324 500 347 324 1665 110 2'' 2''
1''
SPD100/300* 100 20 450 66 119 324 500 347 324 1665 110
SPD125/350* 125 30 675 92 155 356 500 366 356 1800 110
SPD150/450* 150 45 1010 143 343 457 630 491 457 2552 110
SPD200/650* 200 80 1800 280 888 650 830 535 650 3020 110
SPD250/800* 250 125 2810 520 1897 810 1065 785 810 4000 110
SPD300/800* 300 180 4050 530 1897 810 1065 785 810 4000 110
SPD350/1000* 350 240 7900 970 3857 1012 1275 1065 1012 5170 110
SPD400/1200* 400 320 9000 1370 5629 1214 1480 1120 1012 5280 110
SPD450/1200* 450 400 10000 1385 5629 1214 1480 1120 1012 5280 110
SPD500/1200* 500 500 11200 1420 5629 1214 1480 1120 1012 5280 110

*low-loss headers can be manufactured with a support structure (a tank with feet)

Gallery

Hydraulic Separator SP
Hydraulic Separator SP.
Special made low-loss headers DN500
Special made low-loss headers DN500.
Hydraulic Separator DN600
Hydraulic Separator DN600.
a support structure - feet for headers
Support structure - feet for headers.

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