Brochure

3-Pass Wet-back Fully Automatic
Package Firetube Boiler

































































“The Boiler Technology People”





World Class Quality • Dependability • Service Guaranteed • Proudly Filipino

The ANZEN 3-Pass Wetback Packaged Firetube THE ENERTECH ADVANTAGE
Boiler is an economicaly priced model available in
capacities from 60 to 600 HP (940 to 9400 kg/hr.) with High Performance and Reliability . Enertech’s
standard design pressure of 150 psig, also available three pass wet back design, relatively large heating
for design pressures of up to 300 psig. The ruggedly surface and a very reliable burner are the
built unit is fully automatic and has been proven in the combination of features that provide assurance of
field to be very reliable. The ANZEN boiler is high performance and reliability.
equipped with a simple but well-built pressure
atomized burner, with models for light and heavy oil Heavy Duty Construction. Enertech boilers are
firing and also for gas firing. built with safety factor higher than the ASME Code,
resulting in thicker boiler components for durability
and long service life.
OPTIMUM EFFICIENCY
Boiler Expertise. Enertech boilers are designed and
The Enertech Anzen Boiler can attain thermal built by the “Boiler Technology People of Enertech”,
efficiencies of up to 85% at MCR when firing heavy oil engineers and highly skilled craftsmen with
(based on net calorific value of fuel). This compact knowhow and skills honed through long years of
unit with heating surface of 3.5 square feet per boiler study and experience in boiler design and
horsepower can attain optimum efficiency due to its manufacture. What sets them apart is their passion
3-pass wetback design. for innovation and excellence to bring about the best
boiler to its clients.
The Best Components. All boiler raw materials,
components and accessories are chosen from the
leading international brands and manufacturers,
COMPLETE SAFE OPERATION CONSTRUCTION FEATURES conforming to international standards, to produce a
reliable and long lasting boiler.
The boiler is equipped with a burner control relay • Davited front doors and split/hinged rear doors
which is an automatic controller forming the nucleus allow access to return tubes for ease in cleaning and Reliable After Sales Service. Enertech maintains a
of the automatic operation of the burner. This maintenance. large pool of highly competent, continuously trained
controller provides automatic burner sequencing and and experienced service engineers / technicians to
flame supervision for a safe burner light off and • Front and rear doors are held shut using studs with service its large number of clients. It likewise
shutdown. The burner shuts down automatically in lugs and brass nuts for easy removal. maintains a large inventory of fast moving
the event of flame failure, low water and excessive replacement parts to ensure immediate availability of
steam pressure. Sufficiently sized safety valves are • Front smoke box and doors are lined with space- needed parts.
provided to relieve pressure in case of over pressure. age ceramic fiber.

FULLY AUTOMATIC OPERATION • Large furnace - large diameter and sufficient length,
provides required furnace volume assuring complete
Fully automatic control are provided for continuous “INVESTING on Enertech Boilers combustion of fuel, especially heavy oil. Furnaces
operation with minimal attendance. The burner has means keeping the much needed are of ring-reinforced type providing a very rigid
high/low/off control for 60 and 70 HP units and full foreign exchange currency in the structure and at the same time additional heating
modulation control for the higher capacity units. A country to help stimulate the surface from the stiffener rings.
float-type water level controller is mounted at the side BOILER CHECKLIST
of the boiler. This controls the operation of the various linkages of the economy.” • Wet-back design turnaround eliminates the need
feedwater pump, turning it on and off at preset levels. for refractory lining, baffles, gaskets and provides
This level controller also acts as first low water cut- additional primary heating surface for increased World Class Quality
off/alarm,shutting down the burner to prevent efficiency.
damage to the boiler, in the event of a low water SIMPLE AND RELIABLE BURNER Dependability
condition due to failure of the feed pump or due to • Two inch thick 132 kg/cu cm density mineral wool
excessive steam withdrawal. A probe type 2nd low Olympia (Japan) Forced Draft Burners for light and insulation reduces heat loss through the shell Competitive Price
water cut-off to assure the safety of the boiler. The heavy oil and gas firing is standard on ANZEN surfaces.
boiler operating pressure is controlled by two boilers. This ruggedly built gun-type burner has a Parts & Service Back-up
pressure controllers: one controlling the burner simple design concept emphasizes perfection in • Round smoke outlet requires only a stub stack for
on/off operation based on the high and low operating ignition, complete combustion of fuel and stable proper draft.
limits and the other acting as modulating control to flames at all firing rates. The burner has a hinged
adjust firing rate based on steam demand. flange providing easy access to the burner Stainless steel finish for shell, to provide aesthetics
components for ease of cleaning and maintenance.
and durability.

The ANZEN 3-Pass Wetback Packaged Firetube THE ENERTECH ADVANTAGE
Boiler is an economicaly priced model available in
capacities from 60 to 600 HP (940 to 9400 kg/hr.) with High Performance and Reliability . Enertech’s
standard design pressure of 150 psig, also available three pass wet back design, relatively large heating
for design pressures of up to 300 psig. The ruggedly surface and a very reliable burner are the
built unit is fully automatic and has been proven in the combination of features that provide assurance of
field to be very reliable. The ANZEN boiler is high performance and reliability.
equipped with a simple but well-built pressure
atomized burner, with models for light and heavy oil Heavy Duty Construction. Enertech boilers are
firing and also for gas firing. built with safety factor higher than the ASME Code,
resulting in thicker boiler components for durability
and long service life.
OPTIMUM EFFICIENCY
Boiler Expertise. Enertech boilers are designed and
The Enertech Anzen Boiler can attain thermal built by the “Boiler Technology People of Enertech”,
efficiencies of up to 85% at MCR when firing heavy oil engineers and highly skilled craftsmen with
(based on net calorific value of fuel). This compact knowhow and skills honed through long years of
unit with heating surface of 3.5 square feet per boiler study and experience in boiler design and
horsepower can attain optimum efficiency due to its manufacture. What sets them apart is their passion
3-pass wetback design. for innovation and excellence to bring about the best
boiler to its clients.
The Best Components. All boiler raw materials,
components and accessories are chosen from the
leading international brands and manufacturers,
COMPLETE SAFE OPERATION CONSTRUCTION FEATURES conforming to international standards, to produce a
reliable and long lasting boiler.
The boiler is equipped with a burner control relay • Davited front doors and split/hinged rear doors
which is an automatic controller forming the nucleus allow access to return tubes for ease in cleaning and Reliable After Sales Service. Enertech maintains a
of the automatic operation of the burner. This maintenance. large pool of highly competent, continuously trained
controller provides automatic burner sequencing and and experienced service engineers / technicians to
flame supervision for a safe burner light off and • Front and rear doors are held shut using studs with service its large number of clients. It likewise
shutdown. The burner shuts down automatically in lugs and brass nuts for easy removal. maintains a large inventory of fast moving
the event of flame failure, low water and excessive replacement parts to ensure immediate availability of
steam pressure. Sufficiently sized safety valves are • Front smoke box and doors are lined with space- needed parts.
provided to relieve pressure in case of over pressure. age ceramic fiber.

FULLY AUTOMATIC OPERATION • Large furnace - large diameter and sufficient length,
provides required furnace volume assuring complete
Fully automatic control are provided for continuous “INVESTING on Enertech Boilers combustion of fuel, especially heavy oil. Furnaces
operation with minimal attendance. The burner has means keeping the much needed are of ring-reinforced type providing a very rigid
high/low/off control for 60 and 70 HP units and full foreign exchange currency in the structure and at the same time additional heating
modulation control for the higher capacity units. A country to help stimulate the surface from the stiffener rings.
float-type water level controller is mounted at the side BOILER CHECKLIST
of the boiler. This controls the operation of the various linkages of the economy.” • Wet-back design turnaround eliminates the need
feedwater pump, turning it on and off at preset levels. for refractory lining, baffles, gaskets and provides
This level controller also acts as first low water cut- additional primary heating surface for increased World Class Quality
off/alarm,shutting down the burner to prevent efficiency.
damage to the boiler, in the event of a low water SIMPLE AND RELIABLE BURNER Dependability
condition due to failure of the feed pump or due to • Two inch thick 132 kg/cu cm density mineral wool
excessive steam withdrawal. A probe type 2nd low Olympia (Japan) Forced Draft Burners for light and insulation reduces heat loss through the shell Competitive Price
water cut-off to assure the safety of the boiler. The heavy oil and gas firing is standard on ANZEN surfaces.
boiler operating pressure is controlled by two boilers. This ruggedly built gun-type burner has a Parts & Service Back-up
pressure controllers: one controlling the burner simple design concept emphasizes perfection in • Round smoke outlet requires only a stub stack for
on/off operation based on the high and low operating ignition, complete combustion of fuel and stable proper draft.
limits and the other acting as modulating control to flames at all firing rates. The burner has a hinged
adjust firing rate based on steam demand. flange providing easy access to the burner Stainless steel finish for shell, to provide aesthetics
components for ease of cleaning and maintenance.
and durability.

ANZEN Boiler


Technical Specifications








BOILER MODEL DIM.

NOMINAL HP 60 70 80 100 125 150 200 250 300 350 400 450 500 600
STEAM RATE 2070 2415 2760 3450 4312.5 5175 6900 8625 10350 12075 13800 15525 17250 20700
BTU OUTPUT (MKCAL / HR) 2.008 2.343 2.687 3.347 4.184 5.021 6.694 8.368 10.041 11.715 13.388 15.064 16.735 20.087
LENGTHS: OVERALL LT 3832 3832 3985 4373 4649 4649 5741 5931 5931 6668 6481 6961 6961 7012
END OF BURNER L1 632 632 632 715 991 991 991 1181 1181 1181 1181 1181 1181 1232
SHELL L2 3200 3200 3353 3658 3658 3658 4750 4750 4750 5487 5300 5780 5780 5780
OVERALL WIDTH W 1894 1894 1920 1950 1974 2018 2324 2454 2454 2558 2558 2564 2564 2996
SHELL DIAMETERS: INSIDE I. D. 1528 1528 1658 1658 1728 1728 1798 1928 1928 2134 2032 2032 2388 2464
OUTSIDE O. D. 1548 1548 1678 1678 1748 1748 1824 1954 1954 2160 2058 2058 2420 2496
OVERALL HEIGHT H 2098 2098 2208 2360 2378 2378 2624 2754 2770 2910 2808 3008 3190 3296
CONNECTIONS:
SAFETY RELIEF VALVE A 32 32 32 32 32 32 32 38 38 38 38 38 38 50
FEEDWATER B 25 25 25 25 32 32 32 38 38 38 50 50 50 50
WATER COLUMN C 25 25 25 25 25 25 25 25 25 25 25 25 25 25
BLOWDOWN D 25 25 25 25 32 32 32 38 38 38 38 50 50 50
SURFACE BLOWDOWN E 25 25 25 25 32 32 32 38 38 38 50 50 50 50
STEAM NOZZL: HIGH PRESSURE F 50 76 76 100 100 100 100 150 150 150 150 150 150 200
LOW PRESSURE F 100 150 150 150 150 150 200 200 250 250 250 250 250 300
ACCESS OPENINGS:
HANDHOLE - 75 X 100 (PCS.) G 6 6 6 7 7 7 7 7 7 7 9 9 9 9
MANWAY
TOP - 11” X 15” (PCS.) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
REAR 16” (PCS.) 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
APPROXIMATE WEIGHT:
DRY WEIGHT (KGS.) 4.250 4.325 4.500 4.955 5.600 6.100 9.319 9.751 9.900 11.906 12.586 14.737 17.500 18.328
WATER FILLED (KGS.) 7.8625 8.00 8.325 9.167 10.36 11.285 17.240 18.04 18.315 22.03 23.285 27.264 32.375 33.91
NOTES:
1. THE DATA GIVEN ARE TYPICAL AND SUBJECT TO CHANGE WITHOUT PRIOR NOTICE
2. ALL DIMENSIONS ARE IN mm.
3. DESIGN PRESSURE = 150 PSI (10 kg./cm)
4. BOILER TUBE DIAMETER IS 50mm














Enertech Marilao
The Enertech Global plant and offices is situated in a 3 hectare
property in Technology Road, Prenza II, Marilao, Bulacan. It can
accommodate a maximum monthly capacity of 500 tons
in its production line for various sizes of boilers, pressure vessels,
boiler accessories. It houses Enertech’s state-of-the-art
manufacturing facilities from computerized plate bender/rollers,
plate cutting and fan balancing; submerge arc welding machines.







“The Boiler Technology People”