AP-A203169A TECHNICAL SPECIFICATION Rev.
00 Page 1 / 4
Pos. 1 1 pc EXHAUST GAS HEAT EXCHANGER N-28-400/2000-1H-1AX-PG
GENERAL
thermal output 489 kW
Design example
TUBE SIDE
Art exhaust gas (biogas)
flow rate (wet) 6306 kg/hr
inlet temperature 430 °C
outlet temperature 180 °C
max. operating temperature 500 °C
max. operating pressure 0.1 barg
pressure drop 26 mbar
inlet connection 350/10 DN/PN
outlet connection 350/10 DN/PN
SHELL SIDE
Medium water
flow rate 40 m³/hr
min. flow rate 20 m³/hr
inlet temperature 40 °C
outlet temperature 50.6 °C
max. operating temperature 110 °C
max. operating pressure 5 barg
pressure drop 120 mbar
inlet connection 65/16 DN/PN
outlet connection 65/16 DN/PN
capacity +/- 119 ltr.
MATERIALS
tubes 316 Ti or 316 L
tube plates 316 Ti or 316 L
baffles steel
shell steel
exhaust gas inlet chamber steel
exhaust gas outlet chamber 316 Ti or 316 L, welding flanges: steel
gaskets isoTHERM ST
DIMENSIONS ETC.
total length +/- 3350 mm
shell diameter Ø 406.4 mm
weight (empty) +/- 660 kg
official acceptance PED 2014/68/EU in accordance with AD2000-
Regelwerk and factory pressure test
surface treatment priming coat
REMARK:
Design without heat transfer surface reserve to avoid condensation of sulphuric acid.
APROVIS Energy Systems GmbH Ornbauer Str. 10 91746 Weidenbach - Germany
AP-A203169A TECHNICAL SPECIFICATION Rev.00 Page 2 / 4
Pos. 2 1 set COUNTER FLANGES, BOLTS, GASKETS
mounted on exhaust gas heat exchanger, consisting of:
exhaust inlet connection:
▪ 1 pc welding flange DN350 PN10
material: steel
EN1092-1 red Typ 01
▪ 1 pc flat gasket DN350 PN10
material: novaphitSSTC
exhaust outlet connection:
▪ 1 pc welding flange DN350 PN10
material: steel
EN1092-1 red Typ 01
▪ 1 pc flat gasket DN350 PN10
material: novaphitSSTC
Shell:
▪ 2 pcs welding neck flange DN65 PN16
material: P250GH
EN1092-1 Typ 11
▪ 2 pcs flat gasket DN65 PN16
material: C4400
additional:
▪ bolts and nuts (for each flange connection)
Pos. 3 1 set SAFETY EQUIPMENT DN 65-P
Designed as a fitting assembly for external
mounting to heat exchanger
Design example
Consisting of:
• 1 piece fitting assembly with flanged connections DN 65 / PN xx
• 1 piece safety valve DN 65: blow-off pressure: 6 barg
blow-off power: 666 kW
• 2 pieces safety temperature limiter (STB) as surface-mounting thermostat
• 1 piece thermometer 0 – 120 °C
• 2 pieces maximum pressure limiter (SDB max.)
• 1 piece manometer with test connection
• 1 piece water shortage protection / flow controller
For indoor installation
Remark:
▪ The equipment is for protection of the heat exchanger only.
▪ The safety equipment design of the entire system has to be coordinated with the local
authorities and is the responsibility of the operator.
APROVIS Energy Systems GmbH Ornbauer Str. 10 91746 Weidenbach - Germany
AP-A203169A TECHNICAL SPECIFICATION Rev.00 Page 3 / 4
Pos. 4 1 pc. EXHAUST GAS BYPASS DN 350-AX
Max. operating temperature: 550 °C
Max. pressure: < 0,1 barg
Leakage rate: approx. 1 % of KvS
Bypass material in front of damper: steel
Bypass material after damper: 316Ti or 316L
Material of welding flanges: steel
Position of damper Exhaust gas inlet
Consisting of:
▪ Exhaust gas bypass with bellow expansion joint
▪ 2 dampers to be installed between flanges PN 10
▪ Connected by coupling rod for the forced control of the second flap
▪ 1 electrical control drive (230 V / 50 Hz) with OPEN/CLOSE function
Optional (against surcharge):
▪ End switches at damper shafts to control end position
▪ Dampers with step seat for reduced leakage rate (approx. 0.2 % of KvS)
▪ Pneumatic control drive with OPEN/CLOSE function (spring-back, fail safe)
▪ Pneumatic modulating control drive (4…20 mA; spring-back, fail safe)
▪ Electrical modulating control drive (4…20 mA)
For indoor installation
Ambient temperature -10…40 °C
On site requirement for pneumatic control drives: Pressurized air supply of 5 barg
APROVIS Energy Systems GmbH Ornbauer Str. 10 91746 Weidenbach - Germany
AP-A203169A TECHNICAL SPECIFICATION Rev.00 Page 4 / 4
Pos. 5 1 pc. PLATE-TYPE HEAT EXCHANGER
General
thermal output 657 kW
Design example
SIDE 1 (hot side) - water / glycol (34 Vol-%)
flow rate 50.7 m³/h
inlet temperature 90 °C
outlet temperature 79 °C
max. operating temperature 100 °C
max. operating pressure 10 barg
test pressure 10 barg
pressure drop 500 mbar
connections 100/16 DN/PN
capacity +/- 120 ltr.
SIDE 2 (cold side) - water / glycol (0 Vol-%)
flow rate 40 m³/h
inlet temperature 26 °C
outlet temperature 40 °C
max. operating temperature 110 °C
max. operating pressure 16 barg
test pressure 10 barg
pressure drop 120 mbar
connections 65/16 DN/PN
capacity +/- 120 ltr.
MATERIALS
plates stainless steel
frame steel
connections steel
gaskets Nitril HT Hang On (H)
DIMENSIONS, etc.
official acceptance PED 2014/68/EU
surface treatment coated in RAL5002
APROVIS Energy Systems GmbH Ornbauer Str. 10 91746 Weidenbach - Germany
