Copper brazed and gasketed plate heat exchanger substations

District Cooling networks Base Substastions

Amarc DHS_Biella_cooling

standards

RAFFRESCAMENTO
From 50 to 1.000 kW
Model "Biella"

Gasketed and brazed plate heat exchangers.
50 to 1.000 kW standard package.
With heat meter, control and security devices.
PN 25 on primary circuit.
Twin heat exchangers version (max 5.000 kW). User customizable. CE / PED Certification.
Small size. Easy to disassemble and move.
Ready for remote metering and remote control.
Flow rate, power and return temperature limitation.
Temperature management for fixed-point or external temperature compensated.

Strength

RANGE AND PERFORMANCES

  • Complete range from 50 to 6000 kW for district heating and DHW with hot and superheated water networks.
  • Ready in stock delivery ready for standard models.
  • Mass production ensures high quality level.
  • Numerous options available.

SPECIAL FUNCTIONS AND SERVICES

  • Metering system sealing and safety lock especially on probes.
  • Technical assistance and training.
  • Internal Service specialized in district heating with availability on-call service 24/24 h.
  • Electrical and mechanical installation.
  • Transport and positioning.
  • Substation pre-sizing tool application.
  • Specifications, diagrams and drawings.
  • Preset typical insatallation schemes available.

CONSTRUCTION

  • Extremely compact, easy to transport and install.
  • Mechanical design primary circuit: PN 25/135 °C standard.
  • Primary circuit in accordante with high quality industrial standards (ASTM A106 GR B, tig welded with CE/PED certified x-ray).
  • Wells for probes and instruments in Inox AISI 316L steel and flat sealing gasket with Teflon.
  • Ready for drainage filter (serial and parallel).
  • Ready for installation of optional booster pump.
  • Pressure switch and temperature gauges on all circuits.
  • Vents and drains on all circuits.
  • Special shutter regulation valves for anti-noise district heating applications even with very high deltaP values.
  • Galvanization treatment on secondary circuit.
  • Metal control board IP 55 with double lock.
  • Heat meter inside control board.
  • CE/PED approved including also heat exchanger rupture.
  • Extension of CE / PED certification to the whole set "Power Station", as an alternative to the Ispesl procedures.
  • Wiring and probe cable protected by sheath.
  • Amarc DHS components supplier: ALFA LAVAL (heat exchangers) | SIEMENS (heat meters, regulation valves, actuators) | KAMSTRUP (heat meters) | KSB (valves and check valves) | NAVAL OY (ball valves) | IVR (shut-off valves) | CALEFFI (security valve) | SAMSON (self-operated valves) | SALMSON (pumps) | HONEYWELL (actuators, 2-3 port valve)

Common schematic

Working Conditions

HOT WATER SUPERHEATED WATER COOLING DIRECT H.D.W. (Hot Domestic Water) INDIRECT H.D.W. (Hot Domestic Water)
THERMAL DESIGNPRIMARY CIRCUIT 90/65°C 115/65°C 7/11°C 85/55°C 85/55°C
THERMAL DESIGNSECONDARY CIRCUIT 60/75°C 60/75°C 14/8°C 25/50°C 30/55°C
PRESSURE LOSS (Δp) @ NOMINAL CONDITIONS - CIRCUITS 1 & 2 < 10 w.c.m. (1°)< 3 w.c.m. (2°) < 10 w.c.m. (1°)< 3 w.c.m. (2°) < 15 w.c.m. (1°)< 6 w.c.m. (2°) < 10 w.c.m. (1°)< 3 w.c.m. (2°) < 10 w.c.m. (1°)< 3 w.c.m.(2°)
MECHANICAL DESIGNCIRCUITS 1 & 2 PN25PN16 PN16PN10 PN25PN10
THERMAL OVERSIZING 20%
CERTIFICATION DESIGN CE/PED - ISPESL
ΔP EMERGENCY CLOSEDOWNREGULATION VALVE 25 barg
OPTIMIZATIONS FLOW RATE LIMITATION, REMOTE SIMULTANEOUS TEMPERATURE AND POWER SETTING

Our models

Type Model DN 1°
(in/out)
DN 2°
(in/out)
PN 1°
(bar)
PN 2°
(bar)
Tmax 1°
(°C)
Tmax 2°
(°C)
Dimensions
(mm)
Weight
(kg)
Cold Water Cooling Gasketed BIELLA 1000 F 200/200 200/200 16.0 10.0 95.0 95.0 3050x950x2100 1350
Cold Water Cooling Gasketed BIELLA 100 F 50/50 80/80 16.0 10.0 95.0 95.0 1800x870x1650 300
Cold Water Cooling Gasketed BIELLA 1250 F 200/200 200/200 16.0 10.0 95.0 95.0 3050x1900x2100 2300
Cold Water Cooling Gasketed BIELLA 1500 F 250/250 250/250 16.0 10.0 95.0 95.0 3050x1900x2100 2550
Cold Water Cooling Gasketed BIELLA 150 F 65/65 80/80 16.0 10.0 95.0 95.0 1800x870x1650 350
Cold Water Cooling Gasketed BIELLA 2000 F 250/250 250/250 16.0 10.0 95.0 95.0 3050x1900x2100 2700
Cold Water Cooling Gasketed BIELLA 200 F 80/80 80/80 16.0 10.0 95.0 95.0 1800x870x1650 350
Cold Water Cooling Gasketed BIELLA 2500 F 300/300 300/300 16.0 10.0 95.0 95.0 3050x1900x2100 3200
Cold Water Cooling Gasketed BIELLA 250 F 100/100 100/100 16.0 10.0 95.0 95.0 1800x870x1650 400
Cold Water Cooling Gasketed BIELLA 300 F 100/100 100/100 16.0 10.0 95.0 95.0 3050x950x2100 850
Cold Water Cooling Gasketed BIELLA 350 F 100/100 100/100 16.0 10.0 95.0 95.0 3050x950x2100 950
Cold Water Cooling Gasketed BIELLA 400 F 125/125 125/125 16.0 10.0 95.0 95.0 3050x950x2100 950
Cold Water Cooling Gasketed BIELLA 500 F 125/125 125/125 16.0 10.0 95.0 95.0 3050x950x2100 1100
Cold Water Cooling Gasketed BIELLA 50 F 50/50 80/80 16.0 10.0 95.0 95.0 1800x870x1650 250
Cold Water Cooling Gasketed BIELLA 600 F 150/150 150/150 16.0 10.0 95.0 95.0 3050x950x2100 1150
Cold Water Cooling Gasketed BIELLA 700 F 150/150 150/150 16.0 10.0 95.0 95.0 3050x950x2100 1250
Cold Water Cooling Gasketed BIELLA 75 F 50/50 80/80 16.0 10.0 95.0 95.0 1800x870x1650 300
Cold Water Cooling Gasketed BIELLA 800 F 150/150 150/150 16.0 10.0 95.0 95.0 3050x950x2100 1250
Cold Water Cooling Gasketed BIELLA 900 F 200/200 200/200 16.0 10.0 95.0 95.0 3050x950x2100 1350