SPECIFICATIONS 40 BHP	<< back to Modulatic
MODULATIC® Packaged Once-Thru Steam Generators
Since 1903, the Vapor Power International has provided a complete line of high quality Packaged Steam Generators and Hot Oil Heaters for commercial, industrial, institutional, and military applications worldwide. From each unit's inception to after-sales support, our dedicated staff of engineers, service technicians, sales and service personnel, and representatives join forces to provide our customers with products and service that exceed their expectations.
DESIGN DETAILS	<< Request Information about this Product
General Information
Type of Boiler	Watertube
Model Series	4611
Rated Capacity	40 BHP (392 KW)
Equivalent Evaporation	1380 Ib/hr from and at 212°F (626 kg/hr from and at 100°C) Thermal
Output	1,339,000 Btu/hr (377,428 k cal/hr)
Construction Codes	ASME, Hartford, National Board
Boiler Shell Insulation	Mineral Wool Insulation
Approx. Shipping Weight	4000 Ibs (1588 kg)
Pressures psig (k Pa)
Design	Operating
15 (103)	5 - 13 (34 - 90)
300 (2068)	75 - 250 (517 -1724)
600 (4137)	200 - 540 (1379 - 3723)
900 (6205)	400 - 810 (2758 - 5585)
Controls
Steam Pressure, Low Water Cutoff, Flame Failure Protection, Coil Temperature Limit.
Burner
Manufacturer	Vapor Power International
Fuels	Light or Heavy Oil, Gas or Combination
Type (oil)	Air Atomized
Type (gas)	Multiple Orifice Nozzle
Fuel Specifications:
Oil (No.2 CSG)	141,000 Btu/U.S. gal (9386 k cal/liter)
Gas	1000 Btu/cu ft (8899 k cal/m3)
Main Burner	1 psig (6.9 k Pa)
Pilot Burner	4" w.C. (1.0 kPa)
Atomizing Air Requirements:	5 scfm @ 40 psig (0.14 m3/min @ 276 k Pa)
Ignition Type:
Oil and Gas	Electric spark - interrupted gas pilot
Power Requirements
Main Power	230 or 460 VAC, 3 Ph, 60 Hz
Control Power	120 VAC, 1 pH, 60 Hz Supplied by integral transformer
HP required by blower and feedwater pump:
15 psig (103 k PA)	3 HP (2.2 KW)
300 psig (2068 k Pa)	3 HP (2.2 KW)
600 psig (4137 k Pa)	3 HP (2.2 KW)
900 psig (6205 k Pa)	5.0 HP (3.7 kW)
OVERALL DIMENSIONS
L x W x H	72" x 52" x 70" (1829 mm x 1321 mm x 1778 mm)
Approx. Floor Loading (Wet)	153 Ib/sq ft (748 kg/m2)
PERFORMANCE DATA
Fuel Consumption @ Rated Output
Oil	11.87 gph (45 Iiter/hr)
Gas	1720 scfh (49 m3/hr)
Thermal Efficiency up to 88% *
Turndown Ratio	13 to 1
Combustion and Ventilating Air Required:
Oil, Gas	348 scfm (9.9 m3/min)
CUSTOMER CONNECTIONS
Stack Outlet	10" (254 mm) O.D
Steam Outlet:
15 psig (103 k Pa)	4" x 150# ANSI
300 psig (2068 k Pa)	1 1/2" NPT
600 psig (4137 k Pa)	1 1/2" NPT
900psig (6205 k Pa)	1 1/2" x 600# ANSI
Main Gas Supply	2" NPT
Pilot Gas Supply	3/8" NPT
Oil Supply	3/4" NPT
Oil Return	1/2" NPT
Atomizing Air Supply	1/2" NPT
Feedwater lnlet (300, 600 psig)	1" NPT
Feedwater lnlet (900 psig)	2" NPT
Feedwater Return	3/4" NPT
Blowdown Outlet Coil	1" NPT
Seperator Blowdown:
300 psig (2068 k Pa)	1 1/2" NPT
15, 600, 900 psig 103,4137, 6205 k PA)	1" NPT
Fill Test Valve	1/2" NPT
Water Pump Relief Valve	1/2" NPT
Trap Return:
15, 300 (103, 2068 k PA)	1/2" NPT
600, 900 psig (4137, 6205 k Pa)	3/4" NPT
Safety Valve Outlet:
15psig(103kPa) (2)	2" NPT
300psig (2068kPa) (2)	1" NPT
600 psig (4137 k Pa) (2)	1 1/4" NPT
900 psig (6205 k Pa) (2)	1" NPT

Built to meet strict ASME standards, Vapor Steam Generators are skidmounted and completely packaged; all pumps, burners and required safety and operating devices are supplied, installed and pre-tested at the factory.

Additionally, the advantages of our Steam Generators are:

• Fast Start-Up
• Compact Size & Low Weight
• Modulating Output
• High Pressure
• Safe Operation
  

Vapor Power International representatives and agents are located worldwide. Refer to "Boilers" in the yellow pages for the representative nearest you, or call us for further information.

* Oil fired unit with optional stack economizer, up to 89% efficiency using the LHv.
Specifications subject to change without notice.