The document outlines the JB 400 boiler burner series, characterized by robust construction for efficient combustion in oil/gas applications, with features such as adjustable air-fuel mixing and a range of atomizer compatibility. It details auxiliary equipment like fuel valve trains and burner management systems (BMS) designed for optimal performance and safety compliance, including various ignition systems and flame monitoring technologies. Additionally, it provides specifications for different types of burners, gases, fuels, and operational configurations, ensuring effective and efficient combustion engineering solutions.

1. JB 400 Boiler Applications
JB 400 Boiler Burners series are typically used in oil/gas/dual fired boiler
applications. They are designed and built in rugged construction to supply
an intensely mixed air fuel mixture into a furnace for maximum combustion
effectiveness. This thorough mixing is achieved by the adjustable rotational
air momentum & fuel injection pattern. This burners are suitable for different
type of atomizers and gas.
Salient Features:
• Customised oil fired burners in dual block construction complete with
instrumentation & automation.
• Burners Mounting arrangement as per different design of various boiler
OEM's.
• Burners designed for combustion air control through common wind box, or
individual damper control.
• Burner mounting on boiler for uniform heat distribution through out the
furnace so as to facilitate heat transfer in convection zone.
• Selection of flame length and flame diameter based on furnace length and
width so as to avoid flame impingement on furnace walls.
• Oil Gun can be removed while burner is in operation.
• Gas/Air High Tension, High Energy Arc ignition systems are available for
hazardous applications.
• Can provide solutions to improve efficiency and reduced emissions.
Fuel Handling Systems
Optimally designed auxiliary equipments are essential to guarantee
optimal performance of the burners. The right Instruments, piping
material selection and process valves are selected as per the requirement
for the application. Our fuel valve trains are designed for burner start/stop
operation in compliance with International standards such as NFPA 85.
Combustion Engineering solutions
Electric Oil Heaters
Fuel Oil Valve Trains
For the satisfactory Burner operations the fuel flow to the burner should
have pressure, flow, temperature & viscosity calibrated as per the
design. We design, manufacture & supply the Fuel Valve trains to suit the
requirement of the application. The Fuel Oil Trains are designed for almost
all liquid fuels such as Furnace Oil. LDO, LSHS, HSD, Coal Tar, Naphtha
spent & Sludge Oil.
We use best of the instruments from internationally acknowledged suppliers
for the measurement & control of temperature, pressure, flow & shut off
applications. The Valve Trains are used for optimum pressure drops. These
trains are assembled on free standing structures for easy installation.
Gas Valve Trains
Jasubhai manufacture Gas Trains for burner applications. The Gas Trains include:

2. Oil Valve Train mounted at site
Inspection of oil valve Train
at our works
Panel for Zone 1 Area
Classification
PLC based BMS Panel
Burner Management System
Our extensive experience and expertise in combustion
Engineering and Burner systems has enabled us to develop
superior BMS incorporating sophisticated fault tolerant
system architecture. The BMS integrate the operational
requirement, provide innovative solution to various constraints.
Salient Features:
• PLC/Relay based Burner Management System (BMS)
• BMS for safe Start/Stop of burners
• BMS covers the interlocks for Burner Start/Stop and Furnace
Purge Cycles
• Memory module and cable to interface with PC
• PLC communicates with DCS through modbus 485/Ethernet
• Human Machine Interface (HMI) with function key or touch
screen
• Local annunciation on BMS Panel
• Also offered with redundant - hot standby mode with
processor, input/output, communication & power supply
redundancy
• Customised Programmes and PID control loop for
automation control
• Pressure reducing & regulating Valves.
• Pressure Control Valve.
• Flow Control Valve.
• Flow measuring device.
• Pressure & Temperature measurement.
• Safety shut off device.
To ensure reliable operations, best components from
internationally acknowledged companies are used. Selection
of the instrument are done as per the area clasiification of the
installation considering safety aspects (Zone 1, Zone 2). Gas
valves trains are designed for various gases listed:
• Natural Gas.
• LPG.
• LNG.
• Producer Gas
• Refinery Gas.
• Coke Oven Gas.
• Blast Furnace Gas.
• Hydrogen Gas.

3. Ignition System
Salient Features:
• Different types of ignition systems like Gas/Air Electric, high Energy Arc and High Tension.
• For ignition of oil or gas burners of all capacities in industrial plants and power stations
• Available in an explosion-protected design
• To prevent damage of ignition tip due to exposure to high temp of flame zone, the pneumatic
retraction units are provided
• Special design for tilting burner Applications are in Power Station.
• Ignitors for burner applications for Chemical Industries, Refineries, Cement Plants, Waste
Incinerators, Steam Generators and Heating Plants etc.
• Certification: GOST-r, PTB (ATEX)
Flame Monitoring System
Salient Features:
• IR, UV+ IR without self-check features types of flame monitoring system available
• Latest semiconductor technology with highest sensitivity replaces UV tube for UV flame detection
• Self-checking and fail-safe as per UL 372, FM 7610 as well as EN 230 and EN 298 standards
• Enclosures meets NEMA 4x (IP 67 – Protection Class)
• Relay output contact for direct control of the fuel valve and for status display
• Programmable flame recognition threshold
• Analog output for flame intensity 0/4 - 20 mA
• ATEX approved ( Ex Class 1, div 1, Group B, C & D)
• Applications are in Power Station, Chemical Industry, Refineries, Cement Plants, Waste Incinerators,
Steam Generators, Heating Plants etc.
• Certification: DVGW, DIN-CERTCO, APAVE, UL 372, FM Class 7610, AGA: AG 210, GOST-R, PTB (ATEX)
Flame Scanner Flame Scanner
High Energy Arc Ignitor

4. Nomenclature for JEPL Burners
C Type of fuel Abbr./code
Natural Gas NG
LPG LPG
Producer Gas PG
Refinery Gas RG
Coke Oven Gas CO
Blast Furnace Gas BFG
Corex gas CG
Hydrogen gas H2
High Speed Diesel Oil HSDO
Light Diesel Oil LDO
Heavy Fuel oil HFO
Pulverised Coal PF
A Heat Duty (M Kcal/hr)
A20 2 to 20
A40 20 to 40
D Area Classifications
D1 Hazardeous Zone 1
D2 Hazardeous Zone 2
D3 Non - hazardeous
B No of fuels
B1 Single fuel (Gas fired)
B2 Single fuel (oil fired)
B3 Dual fuel (both liquid fuels)
B4 Dual fuel (both gaseous fuels)
B5 Dual fuel (combination oil & gas)
BZ Multi fuel
E Combustion Air Temperature
E1 Combustion air temperature < 50 °C
E2 Combustion air temperature 50 °C < t < 100 °C
E3 Combustion air temperature 100°C < t < 175°C
F Secondary air swirl
F1 Counter-clockwise
F2 Clockwise
G Type of ignitor
G1 Retractable High Energy Arc
G2 High Tension
G3 Gas/Air
H Pilot burner fuel (Ignitor)
H1 LPG
H2 NG
I Flame Monitoring System
I1 Self Check
I2 Non Self Check
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